| Manufacturer  | Model  | Category  | Sub-Category  | Date   |
| | | | | |
 | R. Belleville | Homebrew | Home computer | | 1980s |
| | | | | |
 | R. Kelson | Sparky eZX | SBC | ZX clone | 2000s |
| | | | | |
 | R. Mangles | TIM 8 | Special | | 2000s |
| | | | | |
 | R.-D. Klein | NDR Klein Computer 68020 | Home computer | Kit | 1986 |
| | | | | |
 | R.J. Brachman Associates, Inc. (RJB) | MMC/02 | SBC | | 1984< |
| | MMC/03 | SBC | | 1984< |
| | MMC/802 | SBC | | 1985< |
| | | | | |
 | R.W. Electronics | ? | SBC | | 1980s |
| | | | | |
 | R&B Computer Systems, Inc. | Model 10 | Micro | | 1982 |
| | | | | |
 | Rabbit Computer, Inc. | RX83 | Micro | | 1983 |
| | WRAP BIT II | Micro | | 1983 |
| | | | | |
 | Racal Recorders Ltd. | Rapidax | Micro | | 1990 |
| | WordNET 96 | Micro | | 1995~ |
| | | | | |
 | Racal-Milgo Information Systems, Inc. | 40+ KL1 | Terminal | | 1981< |
| | 4010 8A1 | Terminal | | 1980 |
| | 4015 | Terminal | | 1982 |
| | 4220 | Terminal | | 1981 |
| | 4270 | Terminal | | 1981 |
| | 4274 | Terminal | | 1980 |
| | 4276 | Terminal | | 1981 |
| | 4278 | Terminal | | 1980 |
| | 6000 | Micro | | 1983< |
| | 8015S | Terminal | | 1984 |
| | 8220S | Terminal | | 1984 |
| | 8278-2 | Terminal | | 1983 |
| | 8278-3 | Terminal | | 1983 |
| | 8278-4 | Terminal | | 1983 |
| | 8278-6 | Terminal | | 1983 |
| | ICC 40 | Terminal | | 1976 |
| | RDS 1 | Terminal | | 1975 |
| | System 400 | Terminal | | 1976 |
| | | | | |
 | Racal-Redac Ltd. | ? | Workstation | CAD | - |
| | | | | |
 | Racionalização e Mecanização Ltda. (RACIMEC) | 1800 | Home computer | TRS-80 clone | 1984 |
| | Senior S-100 | Micro | | 1980s |
| | | | | |
 | Rackservers.com (div. Evolution Computers) | R16-1920G | Server | | 2000s |
| | R2-OP 244 Server | Server | | 2000s |
| | RX1-2200D-54G | Server | | 2000s |
| | RX1-2800D-120M | Server | | 2000s |
| | RX1S-3000D-108G | Server | | 2000s |
| | RX3M-3200D-5T | Server | | 2000s |
| | RXP4-32-IPMI | Server | | 2000s |
| | | | | |
 | Racore Computer Products, Inc. | LANserver 386 | Server | | 1988 |
| | LANstation S20 | Micro | | 1989 |
| | LANstation SL60 | Micro | | 1989 |
| | S20 | Workstation | | 1989 |
| | S30 | Workstation | | 1989 |
| | SL60 | Workstation | | 1988 |
| | SL70 | Workstation | | 1988 |
| | SL80 | Workstation | | 1989 |
| | SLE60 | Workstation | | 1988 |
| | SLE70 | Workstation | | 1988 |
| | SLE80 | Workstation | | 1989 |
| | | | | |
 | RacTech GmbH & Co. KG | ? | Workstation | SPARC clone | 1990s |
| | | | | |
 | Rade Systems Ltd. | Rader | SBC | | 1981 |
| | Rader 1000 | Micro | | 1982 |
| | Rader 2000 | Micro | | 1982 |
| | | | | |
![?]() | Radian | UT-1 | Minicomputer | | 1971 |
| | UT-2 | Terminal | | 1976 |
| | UT-3 | Terminal | | 1978 |
| | UT-4 | Minicomputer | | 1981 |
| | | | | |
 | Radiant Computer Technology Corp. | RAD-1 | Micro | | 1990s |
| | | | | |
 | Radiation, Inc. | 6603 | Terminal | | 1969< |
| | | | | |
 | Radio Bulletin | Cosmicos | SBC | | 1979 |
| | | | | |
 | Radio Corporation of America (RCA) | 70/740 | Terminal | | 1970< |
| | 70/750 | Terminal | | 1969< |
| | 70/751 | Terminal | | 1970< |
| | 70/752 | Terminal | | 1969< |
| | 110 | Mainframe | | 1961 |
| | 110A SGCS | Mainframe | Guidance computer | 1961 |
| | 200 | Mainframe | Early | 1960 |
| | 200 series | Minicomputer | | 1969 |
| | 300 | Mainframe | Early | 1960 |
| | 301 | Mainframe | | 1961 |
| | 501 | Mainframe | Early | 1959 |
| | 601 | Mainframe | | 1961 |
| | 604 | Mainframe | | 1962 |
| | 1600 | Mainframe | | 1968 |
| | 3301 | Mainframe | | 1964 |
| | 6230 | Terminal | | 1972< |
| | 6740-11 | Terminal | Teleprinter | 1970< |
| | 6741-11 | Terminal | Teleprinter | 1970< |
| | 6742-11 | Terminal | Teleprinter | 1970< |
| | BIZMAC I | Mainframe | Early | 1957 |
| | BIZMAC II | Mainframe | Early | 1956 |
| | CDP18S693 | Micro | Development system | 1981 |
| | Color Terminal | Terminal | | 1981< |
| | Cosmac ELF | SBC | | 1976 |
| | COSMAC II | Micro | | 1977 |
| | COSMAC IV | Micro | | 1977 |
| | COSMAC Microkit | Micro | | 1975 |
| | COSMAC Microtutor II | Micro | Learn | 1979< |
| | Cosmac VIP | SBC | | 1977 |
| | Cosmac VIP (aka VP-111) | Micro | | 1977 |
| | Cosmac VIP (aka VP-711) | Micro | | 1977 |
| | CRT Terminal | Terminal | | 1981< |
| | DIP | | Early | 1960 |
| | Evaluation Kit | SBC | | 1979< |
| | FC-4100 | Special | | 1961 |
| | Fred 2 (Prototype) | Micro | | 1974 |
| | Microtutor 1800 | Home computer | Learn | 1976 |
| | SCP-234 | Special | Guidance computer | 1972 |
| | Spectra 70/15 | Mainframe | | 1965 |
| | Spectra 70/25 | Mainframe | | 1965 |
| | Spectra 70/35 | Mainframe | | 1966 |
| | Spectra 70/45 | Mainframe | | 1966 |
| | Spectra 70/46 | Mainframe | | 1968 |
| | Spectra 70/55 | Mainframe | | 1966 |
| | Spectra 70/60 | Mainframe | | 1970 |
| | Spectra 70/61 | Mainframe | | 1971 |
| | Super Elf | SBC | | 1978 |
| | Typhoon | Analog | | 1951 |
| | VIC-36A | Special | | 1967 |
| | VP-3301 | Terminal | | 1981 |
| | VP-3303 | Terminal | | 1981 |
| | VP-3501 | Terminal | | 1982 |
| | VP-4801 | Terminal | | 1983 |
| | VP-5801 | Terminal | | 1985 |
| | VP-6000 | Terminal | | 1987 |
| | VP-7000 | Terminal | | 1986 |
| | ZMS-50 | Terminal | | 1981< |
| | | | | |
 | Radio Electronics | Mark 8 (by J. Titus) | Home computer | | 1974 |
| | TV Typewriter | Terminal | | 1973 |
| | TV Typewriter II | Terminal | | 1975 |
| | | | | |
 | Radio Magazin | Mikro-80 | Home computer | Kit | 1983 |
| | Radio-86RK | Home computer | | 1986 |
| | | | | |
 | Radio Shack (div. Tandy) | Color Computer | Home computer | TRS-80 clone | 1980 |
| | Data Terminal DT-1 | Terminal | | 1980 |
| | Data Terminal DT-100 | Terminal | | 1984 |
| | Deluxe Color Computer | Home computer | | 1983 |
| | TRS-80 Model 1 | Home computer | | 1977 |
| | TRS-80 Model 100 | Home computer | | 1983 |
| | TRS-80 Model 1000 | Home computer | | 1984 |
| | TRS-80 Model 102 | Home computer | | 1986 |
| | TRS-80 Model 12 | Home computer | | 1983 |
| | TRS-80 Model 1200 | Home computer | | 1984 |
| | TRS-80 Model 16 | Home computer | | 1982 |
| | TRS-80 Model 16B | Home computer | | 1983 |
| | TRS-80 Model 200 | Home computer | | 1984 |
| | TRS-80 Model 4 | Micro | | 1983 |
| | TRS-80 Model 4D | Micro | | 1985 |
| | TRS-80 Model 4P | Micro | | 1984 |
| | TRS-80 Model 600 | Micro | | 1985 |
| | TRS-80 Model I (Level I Basic) | Home computer | | 1977 |
| | TRS-80 Model I (Level II Basic) | Home computer | | 1978 |
| | TRS-80 Model II | Micro | | 1979 |
| | TRS-80 Model III | Micro | | 1980 |
| | TRS-80 Model MC-10 | Home computer | | 1983 |
| | TRS-80 PC-1 (=Sharp PC-1211) | Pocket (P) | | 1980 |
| | TRS-80 PC-2 (=Sharp PC-1500) | Pocket (P) | | 1982 |
| | TRS-80 PC-3 (=Sharp PC-1251) | Pocket (P) | | 1983 |
| | TRS-80 PT-210 | Terminal (P) | | 1982 |
| | TRS-80 Videotex | Terminal | | 1980 |
| | TRS-XENIS | Micro | | 1984< |
| | | | | |
 | Radioindustrija Zagreb (RIZ) | HIS-5 | Micro | | 1980s |
| | Riz 24 | Micro | | 1980s |
| | | | | |
 | Radiola (div. Philips) | Jet 25 (=Philips G7000) | Home computer | | 1980 |
| | Jet 27 (=Philips G2000) | Home computer | | 1980 |
| | Jet 47 (=Philips G7400) | Home computer | | 1983 |
| | Jet 47/74+ (with programmation module) | Home computer | | 1983 |
| | Jet 471/741+ (with programmation module) | Home computer | | 1984 |
| | MK 180 | Home computer | MSX | 1984 |
| | VG 5000 | Home computer | | 1984 |
| | | | | |
 | Radionic | R1001 | Micro | TRS-80 clone | 1980s |
| | | | | |
 | Radiopribor - Vladivostok | Bejsic ( Basic) | Home computer | ZX clone | 1990 |
| | Briz | Home computer | ZX clone | 1990s |
| | | | | |
 | Radiotechnika Magazin | ZX Spectrum 80K | Home computer | ZX clone | 1984 |
| | | | | |
 | Radiozavodom "Signal" - Stavropol | PK8000 Vesta | Home computer | | 1988 |
| | | | | |
 | Radius | System 100 | Micro | Mac clone | 1995 |
| | System 81/110 | Micro | Mac clone | 1995 |
| | | | | |
 | Radix Micro Devices Plc | RX-1 | PDA (P) | | 1990s |
| | | | | |
 | Radofin Electronics Ltd. | Aquarius | Home computer | | 1983 |
| | Aquarius II | Home computer | | 1984 |
| | Triton PC64 | Home computer | MSX | 1985 |
| | | | | |
 | Radxa Ltd. | Parallella | SBC | | 2000s |
| | Rock | SBC | | 2000s |
| | Rock 2 | SBC | | 2000s |
| | | | | |
 | Rair Microcomputer Corp. | 3/65 | Micro | | 1986< |
| | Black Box | Micro | | 1979 |
| | Black Box II | Micro | | 1980 |
| | Black Box III/10 | Micro | | 1981 |
| | Black Box III/20 | Micro | | 1981 |
| | Black Box III/30 | Micro | | 1981 |
| | Black Box III/40 | Micro | | 1981 |
| | Black Box III/50 | Micro | | 1982 |
| | Business Computer | Workstation | | 1983 |
| | Mini Micro | Micro | | 1985 |
| | Mini Pro | Micro | | 1985 |
| | Multimicro BB II | Micro | | 1988 |
| | SM 386-85 | Micro | | 1987 |
| | Supermicro | Micro | | 1986< |
| | Supermicro Display Terminal | Terminal | | 1984 |
| | | | | |
 | Rakoa Computer Co., Ltd. | Rakoa I | Home computer | Apple 2 clone | 1980s |
| | Rakoa III | Micro | | 1984 |
| | | | | |
 | Rakuten Kobo, Inc. | Arc | Tablet (P) | | 2012 |
| | Arc 10.1 HD | Tablet (P) | | 2013 |
| | Arc 7 | Tablet (P) | | 2013 |
| | Arc 8 HD | Tablet (P) | | 2014 |
| | Kobo | Tablet (P) | | 2000s |
| | | | | |
 | Ramo-Wooldridge Corp. | AN/UYK-1 | Special | Military | 1958 |
| | RW-300 | Mainframe | Early | 1958 |
| | RW-400 (aka AN/FSQ-27) | Mainframe | Early | 1960 |
| | | | | |
 | Ramos Digital Technology Co., Ltd. | Evolution W16 | Tablet (P) | | 2012 |
| | Evolution W19 | Tablet (P) | | 2012 |
| | I10 10.1 | Tablet (P) | | 2013 |
| | I10Pro | Tablet (P) | | 2014 |
| | i10s | Tablet (P) | | 2015 |
| | i11 Pro 10.6 | Tablet (P) | | 2014 |
| | I12C 11.6 | Tablet (P) | | 2013 |
| | i7s | Tablet (P) | | 2014 |
| | I8 8 | Tablet (P) | | 2013 |
| | i8 Pro | Tablet (P) | | 2014 |
| | I8C | Tablet (P) | | 2013 |
| | I9 | Tablet (P) | | 2013 |
| | i9s | Tablet (P) | | 2014 |
| | i9s Pro | Tablet (P) | | 2015 |
| | K100 | Tablet (P) | | 2013 |
| | K2 7.85 | Tablet (P) | | 2013 |
| | M12 11.6 | Tablet (P) | | 2014 |
| | W10 | Tablet (P) | | 2011 |
| | W13 Pro | Tablet (P) | | 2012 |
| | W17 Pro Dual | Tablet (P) | | 2012 |
| | W17 Pro V3.0 Quad | Tablet (P) | | 2012 |
| | W22 Pro | Tablet (P) | | 2012 |
| | W22 Pro 3G | Tablet (P) | | 2012 |
| | W23 | Tablet (P) | | 2012 |
| | W27 | Tablet (P) | | 2012 |
| | W28 | Tablet (P) | | 2012 |
| | W30 | Tablet (P) | | 2012 |
| | W30HD | Tablet (P) | | 2012 |
| | W31 | Tablet (P) | | 2013 |
| | W32 | Tablet (P) | | 2013 |
| | W41 | Tablet (P) | | 2013 |
| | W42 | Tablet (P) | | 2012 |
| | W6HD | Tablet (P) | | 2012 |
| | X10 Pro | Tablet (P) | | 2013 |
| | | | | |
 | Ramtek Corp. | 4220 | Terminal | | 1970s |
| | 4225 | Terminal | | 1970s |
| | 4227 | Terminal | | 1970s |
| | 4228 | Terminal | | 1970s |
| | 4321 | Terminal | | 1989 |
| | 4322 | Terminal | | 1987< |
| | 4327 | Terminal | | 1987< |
| | 4660 | Workstation | | 1987 |
| | 6200A | Terminal | | 1981< |
| | 6211 | Terminal | | 1984< |
| | 6214 | Workstation | | 1980 |
| | 6221 | Terminal | | 1984< |
| | 6411 | Terminal | | 1984< |
| | 8100 | Terminal | | 1979 |
| | 8120 | Terminal | | 1981< |
| | 8120 (=Omron 8120) | Terminal | | 1976 |
| | 8210 | Terminal | | 1979 |
| | 8210/UET | Terminal | | 1978 |
| | 8410 | Terminal | | 1977 |
| | 8450 | Terminal | | 1977 |
| | 8460 | Terminal | | 1977 |
| | 8470 | Terminal | | 1977 |
| | 9460 | Workstation | | 1984 |
| | 9465 | Workstation | | 1983 |
| | Colographic 6110 | Terminal | | 1978 |
| | Colographic 6200A | Terminal | | 1978 |
| | Colographic 6211 | Terminal | | 1981 |
| | Colographic 6212 | Terminal | | 1981 |
| | Colographic 6310 | Terminal | | 1978 |
| | FS-2500 | Terminal | | 1981< |
| | Micrographic 6000 | Terminal | | 1977 |
| | RM-3000 Series | Terminal | | 1978< |
| | RM-9000 Series | Terminal | | 1981< |
| | | | | |
 | Rand Corp. | JOHNNIAC | Special | Early, IAS machine
| 1954 |
| | | | | |
 | Randal Data Systems, Inc. | LINK 100 | Office | | 1975 |
| | LINK 140 | Office | | 1978 |
| | LINK 200 | Office | | 1976 |
| | LINK 240 | Office | | 1978 |
| | LINK 250 | Office | | 1970s |
| | LINK 500 | Office | | 1977 |
| | LINK 540 | Office | | 1970s |
| | LINK 550 | Office | | 1978 |
| | Model 100 | Office | | 1979 |
| | Model 200 | Office | | 1970s |
| | Model 500 | Office | | 1970s |
| | Model 5000 | Office | | 1979 |
| | RDS 1 | Terminal | | 1975 |
| | | | | |
 | Random Corp. | Colleague Laptop Portable | Terminal (P) | | 1994 |
| | Colleague Plus Laptop | Terminal (P) | | 1994 |
| | Colleague Plus Portable | Terminal (P) | | 1987 |
| | Colleague Portable | Terminal (P) | | 1987 |
| | Companion | Terminal | | 1994 |
| | Companion 3270 | Terminal | | 1991 |
| | Companion Extended Plus | Terminal | | 1991 |
| | Companion Plus 3270 | Terminal | | 1991 |
| | R3 | Micro | | 1985< |
| | R4 | Micro | | 1985< |
| | | | | |
 | Rangine Corp. | ? | Workstation | CAD | 1983 |
| | | | | |
 | Rank Peripherals of Canada, Ltd. | 68101 | SBC | | 1979< |
| | | | | |
 | Ranyan Systems | DVX-69 | Micro | Development system | 1983< |
| | Quest | Micro | | 1983< |
| | SBP-68Q | SBC | | 1983< |
| | | | | |
 | Rascal Micro LLC | Rascal | SBC | | 2011 |
| | | | | |
 | Raspberry Pi Foundation (div. Premier Farnell) | Raspberry Pi 2 | SBC | | 2015 |
| | Raspberry Pi 3 | SBC | | 2016 |
| | Raspberry Pi Model A | SBC | | 2012 |
| | Raspberry Pi Model B | SBC | | 2012 |
| | Raspberry Pi Model C | SBC | | 2014 |
| | Raspberry Pi Model D | SBC | | 2014 |
| | Raspberry Pi Model Zero | SBC | | 2015 |
| | | | | |
 | Raster Graphics, Inc. | RG-801 | SBC | Multibus | 1982 |
| | RG-802 | SBC | Multibus | 1983 |
| | RG-808 | SBC | Multibus | 1983 |
| | | | | |
 | Raster Technologies, Inc. | One/10 | Workstation | CAD | 1983 |
| | One/25 | Workstation | | 1984< |
| | One/25-S | Workstation | | 1984< |
| | One/40 | Workstation | | 1984< |
| | One/60 | Workstation | | 1984< |
| | One/80 | Workstation | | 1984< |
| | Sun/GX | Workstation | | 1988< |
| | | | | |
 | Rational-God | ALL-System 500 | | | 1977< |
| | ALL-System 580 | | | 1977< |
| | ALL-System 600 | | | 1977< |
| | ALL-System 700 | | | 1977< |
| | ALL-System 700/TS | | | 1977< |
| | | | | |
 | Rautauukki Oy | KTP-84 | Terminal (P) | Data terminal | 1985< |
| | | | | |
 | Rave Computer Association, Inc. | 2uaxi-c | Server | | - |
| | 4U-AXMP+ | Server | | - |
| | 4uaxmp | Server | | - |
| | 6uaxmp | Server | | - |
| | 5500/3500 Series | Server | | 2010< |
| | ? | Workstation | SPARC clone | 1990s |
| | A770 | Micro (P) | | 2006< |
| | Ax1105-1u | Server | | - |
| | Ax1105-2u | Server | | - |
| | Ax2200 | Server | | 2005< |
| | Callisto 331 | Server | | 2003< |
| | Callisto 350 | Server | | 2003< |
| | Callisto 360S | Server | | 2003< |
| | Callisto 371S | Server | | 2003< |
| | FlexSPARC-III | Workstation (P) | | 2004 |
| | FlexSPARC-III-D | Workstation (P) | | 2005< |
| | FlexSPARC-III-S | Workstation (P) | | 2005< |
| | FleXtreme Vigor-D | Micro (P) | | 2005< |
| | FleXtreme Vigor-S | Micro (P) | | 2005< |
| | GRA790 | Micro (P) | | 2009< |
| | GRB300 | Micro (P) | | 2009< |
| | GRE100 | Tablet (P) | | 2009< |
| | GRM230 | Micro (P) | | 2009< |
| | GRP470 | Micro (P) | | 2009< |
| | GRV100 | Micro (P) | | 2009< |
| | Guardian | Tablet (P) | | 2009< |
| | HFWB-1UCS-1 | Server | | - |
| | HFWB-3UDS-1 | Server | | - |
| | Ignition Series (-> RT) | Workstation | | 2010 |
| | Meso 999 UltraSPARC-IIIi | Micro (P) | | 2006< |
| | MobileForce M220 | Micro (P) | | 2006< |
| | NextBlade 160 | Micro (P) | | 2005< |
| | NextBlade 165 | Micro (P) | | 2005< |
| | NextBook | Micro (P) | | 2005< |
| | NextBook64 | Micro (P) | | 2005< |
| | NextDimension Evo | Micro (P) | | 2009< |
| | NextDimension Evo HD | Micro (P) | | 2009< |
| | NextDimension Pro | Micro (P) | | 2009< |
| | NextDimension Pro HD | Micro (P) | | 2009< |
| | P-IA-2USX1500-01-Q70 | Server | | - |
| | PowerSPARC NCM-757C | Micro (P) | | 2005< |
| | PowerSPARC NCM-767C | Micro (P) | | 2005< |
| | PS535E | PDA (P) | | 2009< |
| | R135 | PDA (P) | | 2009< |
| | R45AAR-PDSME | Server | | - |
| | R6720 | Micro (P) | | 2009< |
| | R9020 | Micro (P) | | 2009< |
| | R9194 | Micro (P) | | 2009< |
| | Rave RC-14 | Micro (P) | | 2006< |
| | Rave RC-68 | Micro (P) | | 2006< |
| | RFW500 | PDA (P) | | 2009< |
| | RFW900 | PDA (P) | | 2009< |
| | RK-4000 | Workstation | | 2011< |
| | RK-5740 | Server | | 2010< |
| | RK-5740 Tower/5U Rackmount Server | Server | | 2010< |
| | RM-1012 (2 models) | Micro (P) | | 2010< |
| | RM-1013 (by Getac) | Tablet (P) | | 2010< |
| | RM-1014 | Micro (P) | | 2010< |
| | RM-1015 | Micro (P) | | 2010< |
| | RM-1100 | Micro (P) | | 2010< |
| | RM-1200 (by Getac) | Micro (P) | | 2011< |
| | RM-1230 | Micro (P) | | 2010< |
| | RM-1300 | Micro (P) | | 2010< |
| | RM-1400 | Micro (P) | | 2011< |
| | RM-1470 | Micro (P) | | 2010< |
| | RM-1790 (by Getac) | Micro (P) | | 2010< |
| | RM-1UAXe | Server | | 2000< |
| | Rm-1usaxe | Server | | - |
| | RM-2010 | Tablet (P) | | 2011< |
| | RM-2100 | Tablet (P) | | 2010< |
| | RM-2104 | Tablet (P) | | 2010< |
| | RM-2159 (by Black Diamond) | Tablet (P) | | 2010< |
| | RM-2404 | Tablet (P) | | 2010< |
| | RM-2707 | Tablet (P) | | 2011< |
| | RM-2710 | Tablet (P) | | 2011< |
| | RM-2UAXi | Server | | 2000< |
| | RM-2UAXi-C | Server | | 2000< |
| | RM-3135 | PDA (P) | | 2010< |
| | RM-3236 | PDA (P) | | 2010< |
| | RM-3500 | PDA (P) | | 2010< |
| | RM-3535 | PDA (P) | | 2010< |
| | RM-3900 | PDA (P) | | 2010< |
| | RM-4001 | Micro (P) | | 2011< |
| | RM-4101 | Micro (P) | | 2010< |
| | RM-4103 | Micro (P) | | 2010< |
| | RM-4105 | Micro (P) | | 2011< |
| | RM-4201 | Micro (P) | | 2010< |
| | RM-4203 | Micro (P) | | 2010< |
| | RM-4305 | Micro (P) | | 2011< |
| | RM-4307 | Micro (P) | | 2012< |
| | RM-4309 | Micro (P) | | 2012< |
| | RM-4311 | Micro (P) | | 2012< |
| | RM-5UAXI | Server | | - |
| | RM-5UAXmp | Server | | 2000< |
| | RM-U2 | Server | | - |
| | RM2U-SOW/NAV/3 | Server | | - |
| | RMR-4UAXmp | Server | | 2000< |
| | RMR-6UAXmp | Server | | 2000< |
| | RR-1230 | Server | | 2010< |
| | RR-1293 | Server | | 2010< |
| | RR-1300 | Server | | 2012< |
| | RR-1330 | Server | | 2010< |
| | RR-1440 | Server | | 2010< |
| | RR-1552 | Server | | 2010< |
| | RR-1640 | Server | | 2010< |
| | RR-1750 | Server | | 2012< |
| | RR-1754 | Server | | 2010< |
| | RR-1765 | Server | | 2010< |
| | RR-1870 | Server | | 2010< |
| | RR-1896 | Server | | 2012< |
| | RR-2235 | Server | | 2010< |
| | RR-2250 | Server | | 2010< |
| | RR-2552 | Server | | 2010< |
| | RR-2556 | Server | | 2010< |
| | RR-2740 | Server | | 2010< |
| | RR-2750 | Server | | 2010< |
| | RR-2755 | Server | | 2010< |
| | RR-2765 | Server | | 2012< |
| | RR-2932 | Server | | 2010< |
| | RR-3024 | Server | | 2010< |
| | RR-3235 | Server | | 2010< |
| | RR-3250 | Server | | 2010< |
| | RR-3552 | Server | | 2010< |
| | RR-3750 | Server | | 2010< |
| | RR-3852 | Server | | 2010< |
| | RR-4008 | Server | | 2010< |
| | RR-4250 | Server | | 2010< |
| | RR-4750 | Server | | 2010< |
| | RR-4888 | Server | | 2012< |
| | RS-1712 | Panel | | 2010< |
| | RS-1775 | Panel | | 2010< |
| | RS-2010 | Micro | | 2011< |
| | RS-2204 (by Duros) | Panel | | 2010< |
| | RS-2205 | Panel | | 2010< |
| | RS-2214 | Panel | | 2010< |
| | RS-2307 | Panel | | 2010< |
| | RS-2502 | Panel | | 2010< |
| | RS-2610 | Panel | | 2010< |
| | RS-2945 | Panel | | 2010< |
| | RS-3350 | Panel | | 2010< |
| | RS-4208 | Panel | | 2010< |
| | RS-4610 | Panel | | 2010< |
| | RT-1010 | Workstation | | 2011< |
| | RT-1024 | Workstation | | 2010< |
| | RT-1155 | Workstation | | 2011< |
| | RT-1156 | Workstation | | 2010 |
| | RT-1250 | Workstation | | 2010< |
| | RT-1366 | Workstation | | 2011< |
| | RT-1366-ECC | Workstation | | 2011< |
| | RT-1366-G | Workstation | | 2011< |
| | RT-1399 | Workstation | | 2010< |
| | RT-1540 | Workstation | | 2010< |
| | RT-1790 | Workstation | | 2010< |
| | RT-1792 | Workstation | | 2011< |
| | RT-2055 | Workstation | | 2011< |
| | RT-2366 | Workstation | | 2011< |
| | RT-Axi | Server | | 2000< |
| | S7000FC4UR | Server | | 2010< |
| | Spring 2000 System Book | Micro (P) | | 2000< |
| | SR1530SH, HSH | Server | | 2010< |
| | SR1600UR | Server | | 2010< |
| | SR1625UR | Server | | 2010< |
| | SR1630BC | Server | | 2010< |
| | SR1670HV | Server | | 2010< |
| | SR2600UR | Server | | 2010< |
| | SR2625UR | Server | | 2010< |
| | SuperBlade | Server | | 2010< |
| | SuperServer 6016GT-TF-TM2 | Server | | 2010< |
| | SX-1500 (6 models) | Server | | 2004 |
| | SX-2500 | Server | | 2004 |
| | Titan 1400S | Server | | 2003< |
| | Titan 1700S | Server | | 2004< |
| | Titan 1710A | Server | | 2004< |
| | Titan 1800S | Server | | 2004< |
| | Titan 1810A | Server | | 2004< |
| | Titan 2400S | Server | | 2003< |
| | Titan 2600S | Server | | 2003< |
| | Titan 2701S | Server | | 2003< |
| | Titan 2706S | Server | | 2003< |
| | Titania 1310 | Server | | 2004< |
| | Titania 2310 | Server | | 2003< |
| | Titania 2500 | Server | | 2003< |
| | Titania 4310 | Server | | 2003< |
| | Vigor Pro SD | Micro (P) | | 2009< |
| | Vigor Ultra-III | Micro (P) | | 2009< |
| | W130 | Micro (P) | | 2006< |
| | | | | |
 | Ravensburger AG | PC Champion | Home computer | Learn | 1999 |
| | | | | |
 | Raytheon Data Systems Co. | 250 | Minicomputer | Early | 1960 |
| | 404 | Minicomputer | | - |
| | 440 | Minicomputer | | 1964 |
| | 520 (aka PB-440) | Mainframe | | 1965 |
| | 703 | Minicomputer | | 1967 |
| | 704 | Minicomputer | | 1969 |
| | 706 | Minicomputer | | 1969 |
| | 830 | | | 1985 |
| | 1016 | | | 1970 |
| | 7180 | | | - |
| | 8660 | | | 1985 |
| | AADC | Special | Military | 1971 |
| | Agama | PDA (P) | | 2002 |
| | AGC (aka Apollo Guidance Computer) | Special | Guidance computer | 1960s |
| | DIDS-401 | Terminal | | 1970< |
| | DIDS-402 | Terminal | | 1970< |
| | DIDS-402 (M8) | Terminal | | 1970< |
| | DIDS-402-3 | Terminal | | 1970< |
| | Jet | Supercomputer | | 2010 |
| | PTS-100 | Terminal | | 1972 |
| | PTS-1000 | Terminal | | 1983< |
| | PTS-1200 | Terminal | | 1975 |
| | PTS-1200 MKI | Terminal | | 1978 |
| | PTS-1200 MKII | Terminal | | 1978 |
| | PTS-2000 | Terminal | | 1980 |
| | PTS-4000 | Terminal | | 1983< |
| | R11 | Special | | 1967 |
| | R2078 | Terminal | | 1983< |
| | R2079 | Terminal | | 1983< |
| | R25 | Special | | 1967 |
| | R31 | Special | | 1967 |
| | RAC-230 | Minicomputer | | 1967 |
| | RAC-250 | Minicomputer | | 1967 |
| | RAC-251 | Minicomputer | | 1970 |
| | RAC-261 | Minicomputer | | 1970 |
| | RAYCOM (aka DATAMATIC-1000) | Mainframe | Early | 1953 |
| | RAYDAC | Mainframe | Early | 1953 |
| | RDS-200 VT302 | Word processor | | 1980s |
| | RDS-500 | Minicomputer | | 1973 |
| | RDS-5000 | Minicomputer | | 1977 |
| | RDS-550 | Minicomputer | | 1980 |
| | RDS-7500 | Minicomputer | | 1980 |
| | RDS-8200 | Minicomputer | | 1984 |
| | TV-Baby | Micro | | 1981 |
| | VT 1202 | Word processor | | 1972 |
| | VT 2303 Lexitron | Word processor | | 1970s |
| | | | | |
 | Razer, Inc. | Edge Pro | Tablet (P) | | 2013 |
| | | | | |
 | RBT LLC | M97B | Tablet (P) | | 2010s |
| | Q823 | Tablet (P) | | 2010s |
| | Q975 | Tablet (P) | | 2010s |
| | School | Tablet (P) | | 2010s |
| | Ultrapad 373 | Tablet (P) | | 2010s |
| | Ultrapad 735 | Tablet (P) | | 2010s |
| | Ultrapad 940 | Tablet (P) | | 2010s |
| | Ultrapad M97B | Tablet (P) | | 2010s |
| | Ultrapad Q733 | Tablet (P) | | 2010s |
| | Ultrapad Q777 | Tablet (P) | | 2010s |
| | | | | |
 | RC GmbH | RC 750 Partner | Micro | | 1984 |
| | | | | |
 | RCA Service Business Services and Systems | RCA Multi Function MKS | Micro | | 1986< |
| | | | | |
 | RCP Systems, Inc. | ? | SBC | | 1980s |
| | | | | |
 | RCS Data System | ADS1 | Minicomputer | | 1970s |
| | | | | |
 | RDA, Inc. | RD-11 | Office | LSI-11 comp. | 1977 |
| | RD-11A | Office | LSI-11 comp. | 1978 |
| | RD-11B | Office | LSI-11 comp. | 1978 |
| | RD-11C | Office | LSI-11 comp. | 1978 |
| | | | | |
 | RDI Computer Corp. | BriteLight | Workstation | SPARC clone | 1993 |
| | BriteLight-LX-Portable | Workstation (P) | SPARC clone | 1993 |
| | BriteLite IPX | Workstation (P) | SPARC clone | 1991 |
| | Powerlight | Workstation | SPARC clone | 1994 |
| | PowerLite Turbo 170 | Workstation | SPARC clone | 1996 |
| | PrecisionBook C132 | Workstation (P) | SPARC clone | 1998 |
| | PrecisionBook C160 | Workstation (P) | SPARC clone | 1998 |
| | PrecisionBook C180 | Workstation (P) | SPARC clone | 1998 |
| | | | | |
 | Real Time Associated (RTA) | ABM 50/60 | Micro | | 1983 |
| | ABM 50/80 | Micro | | 1983 |
| | | | | |
 | Réalisation et Etudes Electroniques (R2E) | MC 1 | Micro | | 1982 |
| | Micral 80-20 | Micro | | 1980 |
| | Micral 80-25 | Micro | | 1979 |
| | Micral 80-30 | Micro | | 1979 |
| | Micral 8022 G | Micro | | 1983 |
| | Micral 8030 | Micro | | 1979 |
| | Micral 85 | Micro | | 1980 |
| | Micral 90-20 | Micro | | 1983 |
| | Micral 90-50 | Micro | | 1983 |
| | Micral 9050 | Micro | | 1982 |
| | Micral C | Micro | | 1977 |
| | Micral G | Micro | | 1974 |
| | Micral M | Micro | | 1976 |
| | Micral N | Micro | | 1973 |
| | Micral P2 | Micro | | 1981 |
| | Micral S | Micro | | 1974 |
| | Micral V | Micro | | 1978 |
| | Micral X | Micro | | 1981 |
| | Portal | Micro (P) | | 1980 |
| | | | | |
 | Réalisations Etudes Informatiques Industrielles (RE2I) | Micral N | Micro | | 1973 |
| | Series 80 | Micro | | 1979 |
| | | | | |
 | Realistic Controls Corp. | REX | Micro | | 1978 |
| | Z/100-1 | Micro | | 1977 |
| | Z/100-2 | Micro | | 1977 |
| | Z/100-3 | Micro | | 1977 |
| | | | | |
 | RealTech | Traveler 1480 (by Outbound) | Micro (P) | Mac clone | 1992 |
| | Traveler 880 | Micro (P) | Mac clone | 1992 |
| | | | | |
 | RealTime Intelligence Corp. | MIMIC | | | 1970s |
| | RCE-9 | Mainframe | | 1984 |
| | | | | |
 | Rebel.com, Inc. (-> Hardware Canada Computing) | NetWinder 3100 | Micro | | 2000 |
| | NetWinder 3300 | Micro | | 2000 |
| | NetWinder 3400 | Micro | | 2000 |
| | | | | |
 | Rebus Corp. | Orange AG | Terminal | | 1987 |
| | Orange AGB | Terminal | | 1987 |
| | Rebus 3000 | Terminal | | 1988 |
| | | | | |
 | Rechenzentrum Hünxe GmbH (RZH) | 30 (aka RUF 30) | Office | | 1970s |
| | | | | |
 | Recognition Concepts, Inc. | TRAPIX 550 | Workstation | | 1985< |
| | | | | |
 | Recognition Equipment, Inc. (REI) | Tartan | Terminal | | 1982 |
| | Tartan CX | Terminal | | 1986< |
| | | | | |
 | Recortec, Inc. | RMC-115 | Micro | Industrial | 1994< |
| | RMC-145 | Micro | Industrial | 1994< |
| | RMC-193 | Micro | Industrial | 1994< |
| | RME-100 Series | Micro | Industrial | 1994< |
| | | | | |
 | Redactron Corp. | Dual Card | Word processor | | 1976< |
| | Dual Media | Word processor | | 1976< |
| | Dual Tape | Word processor | | 1976< |
| | Power Typewriter | Word processor | | 1976< |
| | Redactron Data Secretary | | | 1970 |
| | Single Card | Word processor | | 1976< |
| | Single Tape | Word processor | | 1976< |
| | | | | |
 | Redactron MFB Vertriebs-GmbH | MFB REDACTRON 4101 | Office | | 1983< |
| | MFB REDACTRON 4102 | Office | | 1983< |
| | MFB REDACTRON 4110 | Office | | 1983< |
| | MFB REDACTRON 4800 | Office | | 1983< |
| | | | | |
 | RedBox | Expression 604e/200 | Micro | Mac clone | 1997 |
| | Expression 604e/200+ | Micro | Mac clone | 1997 |
| | | | | |
 | Redcor Corp. | 685 | Minicomputer | | 1960s |
| | RC-70 | Minicomputer | | 1968 |
| | RC-77 | Minicomputer | | 1970 |
| | | | | |
 | Redifon Computers Ltd. | 10/20 | Analog | | 1960s |
| | Ci 150 | Analog | | 1960s |
| | Ci 175 | Analog | | 1960s |
| | Ci 500 | Analog | | 1960s |
| | Ci 5000 | Analog | | 1960s |
| | R1800 | Minicomputer | | 1981 |
| | R1850/50 | Minicomputer | | 1981 |
| | R2000 (DDP-124 clone) | Minicomputer | | 1976< |
| | R2000A | Minicomputer | | 1970s |
| | R2800 | Minicomputer | | 1987 |
| | R2828 | Minicomputer | | 1990 |
| | R2830 | Minicomputer | | 1982 |
| | R2838 | Minicomputer | | 1990 |
| | R2840 | Minicomputer | | 1985 |
| | R2885 | Minicomputer | | 1990 |
| | R2895 | Minicomputer | | 1987 |
| | R300 | Minicomputer | | 1978 |
| | R300/70 | Minicomputer | | 1980 |
| | R400 | Minicomputer | | 1978 |
| | R400/70 | Minicomputer | | 1980 |
| | R50 | Minicomputer | | 1978 |
| | R550 | Minicomputer | | 1978 |
| | R800/50 | Minicomputer | | 1970s |
| | R850 | Minicomputer | | 1970s |
| | R870/70 | Minicomputer | | 1980 |
| | RADIC | Analog | | 1960 |
| | | | | |
 | Redland Automation | VC | Terminal (P) | | 1982 |
| | | | | |
 | Redstone Computers | Redstone 462A | Home computer | Apple 2 clone | 1980s |
| | Redstone TR-005e | Home computer | Apple 2 clone | 1980s |
| | | | | |
 | Reellex | TAB-071-01 | Tablet (P) | | 2013 |
| | TAB-07B-01 | Tablet (P) | | 2012 |
| | TAB-09E-01 | Tablet (P) | | 2013 |
| | TAB-101 | Tablet (P) | | 2012 |
| | TAB-10B-01 | Tablet (P) | | 2012 |
| | TAB-10B-02 | Tablet (P) | | 2013 |
| | TAB-10E-01 | Tablet (P) | | 2013 |
| | TAB-10E-02 | Tablet (P) | | 2014 |
| | TAB-701 | Tablet (P) | | 2012 |
| | TAB-702 | Tablet (P) | | 2012 |
| | TAB-703 | Tablet (P) | | 2012 |
| | TAB-704 | Tablet (P) | | 2012 |
| | TAB-97B-01 | Tablet (P) | | 2013 |
| | TAB-97B-02 | Tablet (P) | | 2012 |
| | TAB-97E-01 | Tablet (P) | | 2013 |
| | | | | |
 | Reeves Instrument Corp. (RICO) | REAC | Analog | | 1948 |
| | REAC 200 | Analog | | 1951 |
| | REAC 300 | Analog | | 1953 |
| | REAC 400 | Analog | | 1955 |
| | REAC 500 | Analog | | 1963 |
| | REAC C101 | Analog | | 1949 |
| | REAC C301 | Analog | | 1955 |
| | REAC C302 | Analog | | 1955 |
| | | | | |
 | Reeves Plc | PS-1000 (=Tidalwave PS-1000) | Micro (P) | Palmtop | 1991 |
| | | | | |
 | Regency Systems, Inc. | R2-B | Micro | | 1983 |
| | R2-C | Micro | | 1986< |
| | RC-1 | Micro | | 1986< |
| | | | | |
 | Regnecentralen A/S (RC) | DASK | Special | Early, IAS machine
| 1957 |
| | DISADEC | Special | | 1962 |
| | GIER | Special | | 1960 |
| | RC 3600 | Minicomputer | | 1971 |
| | RC 39 | | | - |
| | RC 4000 | Minicomputer | | 1967 |
| | RC 700 (aka Piccolo) | Micro | | 1980s |
| | RC 7000 | Minicomputer | | 1970 |
| | RC 7001 | Minicomputer | | 1971 |
| | RC 7002 | Minicomputer | | 1972 |
| | RC 7003 | Minicomputer | | 1972 |
| | RC 7004 | Minicomputer | | 1971 |
| | RC 700SC | Minicomputer | | 1971 |
| | RC 750 | Micro | | 1984 |
| | RC 759 (aka Piccoline) | Micro | | 1984 |
| | RC 779V1 (aka Piccoline) | Micro | | 1984 |
| | RC 8000 | Minicomputer | | 1975 |
| | RC 8000-MP | Minicomputer | | 1970s |
| | RC 8000/15 | Minicomputer | | 1975 |
| | RC 8000/45 | Minicomputer | | 1975 |
| | RC 8000/50 | Minicomputer | | 1975 |
| | RC 8000/55 | Minicomputer | | 1975 |
| | RC 850 | Micro | | 1981 |
| | RC 900/300 | Workstation | | 1988 |
| | RC 900/400 | Workstation | | 1988 |
| | RC 9000/10 | Workstation | | 1987 |
| | RC 950/190 | Workstation | | 1988 |
| | RC 950/300 | Workstation | | 1988 |
| | RC 950/400 | Workstation | | 1988 |
| | RC 950/90 | Workstation | | 1988 |
| | RC Partner | Workstation | | 1984 |
| | | | | |
 | Rekam, Inc. | CitiPad 3G-105BQ | Tablet (P) | | 2013 |
| | CitiPad 3G-702 | Tablet (P) | | 2013 |
| | CitiPad 3G-785MQ | Tablet (P) | | 2013 |
| | CitiPad 3G-805BQ | Tablet (P) | | 2013 |
| | CitiPad 3G-905BQ | Tablet (P) | | 2013 |
| | CitiPad 3G-910 RQ | Tablet (P) | | 2013 |
| | CitiPad L-700 | Tablet (P) | | 2013 |
| | CitiPad L-700 3G | Tablet (P) | | 2013 |
| | CitiPad L800 | Tablet (P) | | 2013 |
| | CitiPad L810 | Tablet (P) | | 2013 |
| | | | | |
 | Rekers Digitaltechnik | CE 8/256 | Micro | | 1982 |
| | | | | |
 | Relational Memory Systems, Inc. (RELMS) | Icebox | Micro | Multibus | 1984< |
| | RSbc-Z80/32 | SBC | | 1984< |
| | | | | |
 | Reliant Engineering Co. | AP II | Home computer | Apple 2 clone | 1980s |
| | | | | |
 | Relisys Corp. | RA220E | Terminal | | 1987< |
| | RA250 | Terminal | | 1987 |
| | RA290 | Terminal | | 1987 |
| | RA3178 | Terminal | | 1987 |
| | TR-170 | Terminal | | 1994 |
| | TR-175 | Terminal | | 1994 |
| | TR-65 | Terminal | | 1994 |
| | | | | |
 | Remcom Systems, Inc. | 2275 | Terminal | Teleprinter | 1973< |
| | 2280 | Terminal | Teleprinter | 1973< |
| | 2780 | Terminal | Teleprinter | 1970< |
| | 4700 | Terminal | | 1973< |
| | | | | |
 | Remington Rand Co. | 60 | Mainframe | Early | 1954 |
| | 120 | Mainframe | Early | 1954 |
| | 409-2R | Mainframe | Early | 1951 |
| | AF CRC | Mainframe | Early | 1956 |
| | John Plain Mail Order | Mainframe | Early | 1954 |
| | Serif1 | Word processor | | 1982 |
| | Serif2 | Word processor | | 1982 |
| | UNIVAC 1101 (-> Remington Rand) | Mainframe | Early | 1950 |
| | UNIVAC 1102 | Mainframe | Early | 1953 |
| | UNIVAC 1103 | Mainframe | Early | 1954 |
| | UNIVAC STEP | Mainframe | | 1961< |
| | X308 | Mainframe | Early | 1957< |
| | | | | |
 | Renex Corp. | R-378 | Terminal | | 1982 |
| | R-379 | Terminal | | 1982 |
| | | | | |
 | Research in Motion Ltd. (RIM) | Blackberry 5000 Series | PDA (P) | | 2002 |
| | Blackberry 6000 Series | PDA (P) | | 2002 |
| | Blackberry 7000 Series | PDA (P) | | 2003 |
| | Blackberry 7100 Series | PDA (P) | | 2003 |
| | Blackberry 7230 | PDA (P) | | 2003 |
| | Blackberry 8000 Series | PDA (P) | | 2006 |
| | Blackberry 9000 Series | PDA (P) | | 2008 |
| | BlackBerry Playbook | Tablet (P) | | 2011 |
| | BlackBerry Playbook Wi-Fi | Tablet (P) | | 2011 |
| | | | | |
 | Research Institute "Delta" - MEP | Elektronika SS BIS-1 | Supercomputer | | 1989 |
| | Elektronika SS BIS-2 | Supercomputer | | 1991 |
| | | | | |
 | Research Institute of Electronic Machines (NICEVT) | Argon-10 | Special | Guidance computer | 1960s |
| | Argon-11A | Special | Guidance computer | 1960s |
| | Argon-11C | Special | Guidance computer | 1968 |
| | Argon-11S | Special | Guidance computer | 1968 |
| | Argon-12A | Special | Guidance computer | 1968 |
| | Argon-12C | Special | Guidance computer | 1968 |
| | Argon-14 | Special | Guidance computer | 1970s |
| | Argon-15 | Special | Guidance computer | 1974 |
| | Argon-16 (dev.) | Special | Guidance computer | 1974 |
| | Argon-17 | Special | Guidance computer | 1978 |
| | EU-1191 | Supercomputer | | 1986> |
| | EU-1195 | Supercomputer | | 1986> |
| | EU-1740 Angara | Supercomputer | | 2016 |
| | | | | |
 | Research Institute of Electronic Machines (NIEM) | 5E61 | Special | | 1960s |
| | Argon-11C | Special | Guidance computer | 1968 |
| | Argon-12C | Special | Guidance computer | 1968 |
| | Klen | Special | | 1960s |
| | M-205 | Special | | 1960s |
| | M-220 | Special | | 1960s |
| | Radon | Special | | 1960s |
| | | | | |
 | Research Machines Ltd. (RM Plc) | 280-Z | SBC | | 1978 |
| | 380-Z | Micro | | 1978 |
| | Centrino Tablet PC | Tablet (P) | | 2000s |
| | Link 480 Z | Micro | | 1982 |
| | Nimbus (Prototype) | Micro | | 1985 |
| | Nimbus PC-186 | Micro | | 1985 |
| | Nimbus PC2 | Micro | | 1980s |
| | Nimbus PC20 | Micro | | 1980s |
| | Nimbus TM | Micro | | 1986< |
| | Nimbus X10 | Micro | | 1980s |
| | SystemBase | Server | | 1994< |
| | SystemBase 486/33 | Server | | 1994< |
| | Teacher Tablet PC | Workstation | | 2000s |
| | | | | |
 | Research, Inc. | Teleray 10 | Terminal | | 1979 |
| | Teleray 100 | Terminal | | 1981 |
| | Teleray 1060 | Terminal | | 1970s |
| | Teleray 1061 | Terminal | | 1978 |
| | Teleray 11 | Terminal | | 1979 |
| | Teleray 12 | Terminal | | 1979 |
| | Teleray 14 | Terminal | | 1980 |
| | Teleray 16 | Terminal | | 1982 |
| | Teleray 1601 | Terminal | | 1977~ |
| | Teleray 16GRF/APL | Terminal | | 1984< |
| | Teleray 20 | Terminal | | 1984 |
| | Teleray 20-7305 | Terminal | | 1985 |
| | Teleray 30 | Terminal | | 1990 |
| | Teleray 3300 | Terminal | | 1971 |
| | Teleray 3311 | Terminal | | 1977< |
| | Teleray 3511 | Terminal | | 1976< |
| | Teleray 3541 | Terminal | | 1977< |
| | Teleray 3711 | Terminal | | 1976< |
| | Teleray 3741 | Terminal | | 1977< |
| | Teleray 3811 | Terminal | | 1976 |
| | Teleray 3841 | Terminal | | 1977 |
| | Teleray 3900 | Terminal | | 1975 |
| | Teleray 3931 | Terminal | | 1976 |
| | Teleray 4041 | Terminal | | 1977 |
| | | | | |
 | Resilience Corp. | ? | Workstation | SPARC clone | 1990s |
| | | | | |
 | Retail Sciences, Inc. (RSI) | Clerk 800 | Micro | | 1980 |
| | | | | |
 | Retro Games Ltd. | The A500 mini | Home computer | Amiga comp. | 2021 |
| | The C64 | Home computer | | 2019 |
| | The C64 mini | Home computer | | 2018 |
| | The Vic20 | Home computer | | 2018 |
| | | | | |
 | Rever Computer, Inc. | SKIFF 3S-2101 | Workstation | | 1991 |
| | SKIFF 3S-2201 | Workstation | | 1991 |
| | | | | |
 | Revista Nova Eletrônica | NE Z80 | Micro | Kit | 1979 |
| | | | | |
 | REX | ISTC 5000 | Micro | | 1978 |
| | | | | |
 | Rex Berry | 1900S Series | Minicomputer | | 1970s |
| | | | | |
 | Rexon Business Machines Corp. | Five family | Micro | | 1986 |
| | RX100 | Office | | 1986< |
| | RX105 | Office | | 1986< |
| | RX200 | Office | | 1984< |
| | RX205 | Office | | 1986< |
| | RX305 | Office | | 1986< |
| | RX400 | Office | | 1984< |
| | RX405 | Office | | 1986< |
| | RX450 | Office | | 1986< |
| | RX50 | Office | | 1986< |
| | RX55 | Office | | 1985 |
| | Summit 1000 | Micro | | 1987 |
| | Summit 2000 | Micro | | 1988 |
| | Summit 3000 | Micro | | 1988 |
| | Summit 4000 | Micro | | 1986 |
| | TX Series | Minicomputer | | 1986 |
| | | | | |
 | RGS Electronics | RGS-008A | SBC | Kit | 1975 |
| | | | | |
 | Rianda Electronics | Caribe | Micro | | 1983 |
| | | | | |
 | Rice University | Rice Computer (aka R1) | Special | | 1961 |
| | Rice Research Computer (aka R2) | Special | | 1960s |
| | | | | |
 | Richter Technik GmbH | Platon | Micro (P) | Industrial | 1999< |
| | Tabby | Micro (P) | Industrial | 1999< |
| | | | | |
 | Ricoh Company, Ltd. | JP100F | Word processor | | 1987 |
| | JP30E | Word processor (P) | | 1986 |
| | JP50D | Word processor (P) | | 1986 |
| | JP70D | Word processor (P) | | 1986 |
| | MJ550 (aka Cuvax) | Word processor | | 1990s |
| | Mr. My Tool II E | Micro | | 1989 |
| | My Riport 1600TSI | Word processor | | 1986 |
| | My Riport 20 | Word processor (P) | | 1986< |
| | N-10 | Word processor (P) | | 1990s |
| | N-11 | Word processor (P) | | 1990s |
| | N-12 | Word processor (P) | | 1990s |
| | N-21Ai | Word processor (P) | | 1990s |
| | NL-1 | Word processor (P) | | 1990s |
| | NL-2Ai | Word processor (P) | | 1990s |
| | NL-3Ai | Word processor (P) | | 1990s |
| | NL-5Ai | Word processor (P) | | 1990s |
| | NL-7Ai | Word processor (P) | | 1991 |
| | NS-100 | Word processor (P) | | 1990s |
| | NS-110 | Word processor (P) | | 1990s |
| | NS-120 | Word processor (P) | | 1990s |
| | NS-150 | Word processor (P) | | 1990s |
| | NS-250 | Word processor (P) | | 1990s |
| | NS-260 | Word processor (P) | | 1993 |
| | NS-270 | Word processor (P) | | 1990s |
| | NS-280 | Word processor (P) | | 1990s |
| | NT-260 | Word processor (P) | | 1990s |
| | NT-300 | Word processor (P) | | 1991 |
| | NT-310 | Word processor (P) | | 1990s |
| | NT-310 (P) | Word processor (P) | | 1990s |
| | NT-350 | Word processor (P) | | 1990s |
| | NT-350 (P) | Word processor (P) | | 1990s |
| | NT-360 | Word processor (P) | | 1993 |
| | NT-360 (P) | Word processor (P) | | 1990s |
| | NT-370 | Word processor (P) | | 1990s |
| | NT-370 (P) | Word processor (P) | | 1990s |
| | NT-380 | Word processor (P) | | 1990s |
| | NT-380 (P) | Word processor (P) | | 1990s |
| | NT-500 | Word processor (P) | | 1993 |
| | NT-510 | Word processor (P) | | 1990s |
| | NV-850 | Word processor (P) | | 1990s |
| | NW-70 | Word processor (P) | | 1990s |
| | NW-71 | Word processor (P) | | 1990s |
| | NW-72 | Word processor (P) | | 1990s |
| | NW-73 | Word processor (P) | | 1990s |
| | PenCol DE5000 | Office | | 1976 |
| | PS Series Model 2405-W/Y | Micro | | 1990s |
| | PS Series Model 2410-Y | Micro | | 1990s |
| | RICOM 2000 | Office | | 1979 |
| | RICOM I 520 | Office | | 1985 |
| | RICOM-16B | Office | | 1975< |
| | RICOM-8 | Office | | 1971 |
| | RICOM-8B | Office | | 1975< |
| | Riport 1100 | Word processor | | 1990s |
| | Riport 1300 | Word processor | | 1990s |
| | Riport 1700 | Word processor | | 1990s |
| | Riport 200 Series | Micro | | 1980 |
| | Riport 2100 | Word processor | | 1990s |
| | Riport 2200 | Word processor | | 1990s |
| | Riport 2300 | Word processor | | 1990s |
| | Riport 2400 | Word processor | | 1990s |
| | Riport 2500 | Word processor | | 1990s |
| | Riport 2700 | Word processor | | 1990s |
| | Riport 3100 | Word processor | | 1990s |
| | Riport 3200 | Word processor | | 1990s |
| | Riport 3300 | Word processor | | 1990s |
| | Riport 3400 | Word processor | | 1990s |
| | Riport 3500 | Word processor | | 1990s |
| | Riport 3700 | Word processor | | 1990s |
| | Riport 3800 | Word processor | | 1990s |
| | Riport 4100 | Word processor | | 1990s |
| | Riport 4300 | Word processor | | 1990s |
| | Riport 4300v | Word processor | | 1990s |
| | Riport 5100 | Word processor | | 1990s |
| | Riport 5200 | Word processor | | 1990s |
| | Riport 5300 | Word processor | | 1990s |
| | Riport 5400 | Word processor | | 1990s |
| | Riport 5500 | Word processor | | 1990s |
| | Riport CS10 | Word processor | | 1990s |
| | Riport CS10V | Word processor | | 1990s |
| | Riport L100 | Word processor | | 1990s |
| | Riport L200 | Word processor | | 1990s |
| | Riport L500 | Word processor | | 1990s |
| | Riport L500V | Word processor | | 1990s |
| | Riport LS30 | Word processor | | 1990s |
| | Riport LS50 | Word processor | | 1990s |
| | Riport LS55 | Word processor | | 1990s |
| | Riport LS70 | Word processor | | 1990s |
| | Riport Star EX9500 series | Word processor | | 1990s |
| | Riport TS40 | Word processor | | 1990s |
| | Riport TS41 | Word processor | | 1990s |
| | Riport TS60 | Word processor | | 1990s |
| | Riport TS80 | Word processor | | 1990s |
| | Riport TS80V | Word processor | | 1990s |
| | Riport TS81 | Word processor | | 1990s |
| | Riport TS81V | Word processor | | 1990s |
| | Riport TS82 | Word processor | | 1990s |
| | Riport TS82V | Word processor | | 1990s |
| | SP 25 | Micro | | 1983 |
| | SW-85 | Word processor (P) | | 1990s |
| | SW-86 | Word processor (P) | | 1990s |
| | SW-87 | Word processor (P) | | 1990s |
| | Typac 16B | | | 1973< |
| | Typac 8B | | | 1973< |
| | Typer 200 | Office | | 1973< |
| | Typer 240 | Office | | 1973< |
| | Typer 600 | Office | | 1973< |
| | WP-1 | Word processor | | 1980s |
| | | | | |
 | Ridge Computers, Inc. | 32 Turbo/RX | Minicomputer | | 1987< |
| | 32/110 | Workstation | | 1985 |
| | 32/130 | Workstation | | 1985 |
| | 32/310 | Workstation | | 1985 |
| | 32/330 | Workstation | | 1985 |
| | 32/530 | Workstation | | 1986 |
| | 32C | Workstation | | 1984< |
| | 32S | Workstation | | 1984< |
| | 3200/90 | Workstation | | 1986 |
| | 3200/95 | Workstation | | 1986 |
| | 5100 | Minicomputer | | 1987< |
| | | | | |
 | Rifran Eletrônica Ltda. | Micro-Master MK-1 | Home computer | Learn | 1983 |
| | | | | |
 | Rigel Corp. | R-31 | SBC | Microcontroller | 1992< |
| | R-31J | SBC | Microcontroller | 1992< |
| | Rix51 | SBC | Microcontroller | 1990s |
| | RMB-S | SBC | Microcontroller | 1992< |
| | | | | |
 | Rijksuniversiteit Groningen | Motorola M6809 | | | 1980s |
| | | | | |
 | Riken Electronic Co., Ltd. | MYCOMZ-80A | Home computer | Learn | 1981 |
| | | | | |
 | Rikomagic Tech Corp., Ltd. (RKM) | M06 | Micro | MiniPC | 2000s |
| | MK22 | Micro | MiniPC | 2000s |
| | MK36S | Micro | MiniPC | 2000s |
| | MK68 | Micro | MiniPC | 2000s |
| | MK802 | SBC | | 2015 |
| | MK802IV | Micro | MiniPC | 2000s |
| | MK902 | Micro | MiniPC | 2000s |
| | MK902II | Micro | MiniPC | 2000s |
| | V5 | Micro | MiniPC | 2000s |
| | | | | |
 | Rioworks (div. Arima) | R3120 | Server | | 2002< |
| | R3124 | Server | | 2004< |
| | R5110 | Server | | 2002< |
| | R5130 | Server | | 2002 |
| | R5141 | Server | | 2004< |
| | R5210 | Server | | 2001 |
| | R5211 | Server | | 2002 |
| | R5212 | Server | | 2002< |
| | Rio-1000 | Workstation | | 2000< |
| | Rio-3000 | Workstation | | 2000< |
| | Rio-5000 | Workstation | | 2000< |
| | | | | |
![PAK]() | Riphah International University | ? | Supercomputer | | 2016 |
| | | | | |
 | RiscStation Ltd. | R7500 | Workstation | | 1998 |
| | | | | |
 | Ritas do Brasil I.B.M. Ltda. | Ringo R-470 | Home computer | ZX clone | 1983 |
| | | | | |
 | Ritmix | RMD-520 | Tablet (P) | | 2011 |
| | RMD-720 | Tablet (P) | | 2014 |
| | RMD-730 | Tablet (P) | | 2012 |
| | | | | |
 | Ritro Electronics BV | AMI-COS | Home computer | Kit | 1978 |
| | | | | |
 | Riva Terminals Ltd. | ? | Workstation | CAD | 1980s |
| | | | | |
 | RLC Enterprises, Inc. | SBC-100 | SBC | | 1986< |
| | SBC-188 | SBC | | 1986< |
| | SBC-1885L | SBC | | 1986< |
| | | | | |
 | RLX Technologies, Inc. | 100ex | Server | | 2003< |
| | 324 | Server | | 2003< |
| | Rackmodule 2600i | Server | | 2003< |
| | Rackmodule 2800i | Server | | 2003< |
| | Rackmodule 3000ix | Server | | 2003< |
| | ServerBlade 1200i | Server | | 2003< |
| | ServerBlade 2800i | Server | | 2003< |
| | ServerBlade 3000i | Server | | 2003< |
| | ServerBlade 800i | Server | | 2002< |
| | System 300ex | Server | | 2000s |
| | System 324 | Server | | 2001 |
| | System 600ex | Server | | 2003< |
| | | | | |
 | RNA, Inc. | 32 Series | Micro | | 1986< |
| | P-Machine | | | 1983 |
| | Series 1000 | Workstation | | 1984< |
| | | | | |
 | Roadmax | Evolution 3 | Tablet (P) | | 2012 |
| | Fortius Quad 7 | Tablet (P) | | 2014 |
| | | | | |
 | Robin Hood Electronics | The Big Blue Board | SBC | | 1984< |
| | | | | |
 | Robot Research, Inc. | Robot Model 800 | Terminal | | 1981< |
| | | | | |
 | Rockwell International | 3010 | Terminal | | 1981< |
| | AIM-65 | Home computer | | 1977 |
| | AIM-65/40 | Home computer | | 1980 |
| | System 65 | Micro | Industrial | 1978 |
| | | | | |
 | Roda Computer GmbH | Lizard series | Micro (P) | | 2000s |
| | Rocky series | Micro (P) | | 2000s |
| | | | | |
 | Rohde & Schwarz GmbH & Co. KG | PCA-12 | Micro | Measure computer | 1986 |
| | PCA-5 | Micro (P) | Measure computer | 1986 |
| | PPC | Micro | | 1980s |
| | | | | |
 | ROLITRON Müszaki Fejlesztö Ksz. | Rosytext 80 | Word processor | | 1983 |
| | Rosytext 80 MF | Word processor | | 1986 |
| | Rosytext Mini | Word processor | | 1987 |
| | Rosytext Plus | Word processor | | 1988 |
| | | | | |
 | ROLM Corp. | 1601 (aka AN/UYK-12) | Minicomputer | Military | 1970 |
| | 1602 (aka AN/UYK-19) | Minicomputer | Military | 1973 |
| | 1602A (aka AN/UYK-19) | Minicomputer | Military | 1977 |
| | 1602B | Minicomputer | Military | 1977 |
| | 1603 (aka AN/UYK-27) | Minicomputer | Military | 1973 |
| | 1603A (aka AN/UYK-12) | Minicomputer | Military | 1976 |
| | 1606 (aka AN/UYK-19) | Minicomputer | Military | 1977 |
| | 1626 | Minicomputer | Military | 1978 |
| | 1650 (aka AN/UYK-19) | Special | Military | 1976 |
| | 1664 (aka AN/UYK-28) | Special | Military | 1975 |
| | 1666 (aka AN/UYK-19) | Special | Military | 1977 |
| | 1666B (aka AN/UYK-64) | Special | Military | 1977 |
| | 1801 | Minicomputer | Military | 1970 |
| | 5605 (aka AN/UYK-19) | Special | Military | 1976 |
| | Cedar | Terminal | | 1984 |
| | Cypress | Terminal | | 1983 |
| | Hawk/32 | Special | Military | 1983 |
| | Juniper I | Terminal | | 1984 |
| | Juniper II | Terminal | | 1986 |
| | MSE/14 | Minicomputer | Military | 1981 |
| | MSE/14 Micro | SBC | Military | 1981 |
| | MSE/14/1666B | Minicomputer | | 1981 |
| | MSE/25 | Minicomputer | | 1981 |
| | MSE/30 | Minicomputer | Military | 1979 |
| | MSE/800 | Minicomputer | Military | 1981 |
| | Orion 3000 | Workstation | Military | 1990 |
| | Rugged Hawk/32 | Micro | | 1983 |
| | Rugged Nova 1601 (aka AN/UYK12) | Minicomputer | Military | 1969 |
| | Rugged Nova 1602 (aka AN/UYK19) | Minicomputer | Military | 1972 |
| | | | | |
 | Rolsen | RTB 10.4Q Wide 3G | Tablet (P) | | 2013 |
| | RTB 7.4D Fox | Tablet (P) | | 2013 |
| | RTB 7.4D Gun 3G | Tablet (P) | | 2013 |
| | RTB 7.4D Run 3G | Tablet (P) | | 2013 |
| | RTB 7.4Q Game | Tablet (P) | | 2013 |
| | RTB 7.4Q Gun 3G | Tablet (P) | | 2013 |
| | RTB 8.4D Joy 3G | Tablet (P) | | 2013 |
| | RTB 8.4Q Jet | Tablet (P) | | 2013 |
| | RTB 9.4D Guru 3G | Tablet (P) | | 2013 |
| | RTB 9.4Q Guru 3G | Tablet (P) | | 2013 |
| | | | | |
 | Rolta India Ltd. | Rolstation | Workstation | | 1990s |
| | | | | |
 | Roneo Alcatel BV | Roneo 2000 | Minicomputer | | 1980s |
| | | | | |
 | Ronex AB | TPC-8300 (by Tricom) | Pocket (P) | | 1983 |
| | | | | |
 | Roper Mobile Technology, Inc. (RMT) | Duros 8404 | Tablet (P) | | 2000s |
| | | | | |
 | Roseapple Pi | Roseapple Pi | SBC | | 2015 |
| | | | | |
![?]() | Rosh Tech | ABA P100 Server | Server | | 2003< |
| | ABA P133 Server | Server | | 2003< |
| | | | | |
 | Ross & Moor | RM-790 | Tablet (P) | | 2013 |
| | RM-997 | Tablet (P) | | 2013 |
| | RMD-878G | Tablet (P) | | 2013 |
| | RMD-974R | Tablet (P) | | 2013 |
| | | | | |
 | Ross Technology | 100S-125 | Workstation | SPARC clone | 1995 |
| | 200S-125 | Workstation | SPARC clone | 1995 |
| | 200S-125/512 | Workstation | SPARC clone | 1995 |
| | HyperSTATION-20 | Workstation | SPARC clone | 1990s |
| | HyperSTATION-30 | Workstation | SPARC clone | 1990s |
| | SPARCplug-PC | Workstation | SPARC clone | 1990s |
| | | | | |
 | Rothenberg Information Systems, Inc. | Model 1/32 | Word processor | | 1979 |
| | TPC/1 Series One | Word processor | | 1977 |
| | | | | |
 | Rover Computers | RoverPad 3W A73 | Tablet (P) | | 2011 |
| | RoverPad 3W G70 | Tablet (P) | | 2010 |
| | RoverPad 3W T71 | Tablet (P) | | 2011< |
| | RoverPad Air A100 | Tablet (P) | | 2011 |
| | RoverPad Air T100 | Tablet (P) | | 2011< |
| | RoverPad Air T70 | Tablet (P) | | 2011< |
| | RoverPC C7 | Mobile (P) | | 2009< |
| | RoverPC E5 | Mobile (P) | | 2007 |
| | RoverPC Evo V7 | Mobile (P) | | 2008 |
| | RoverPC Evo X7 | Mobile (P) | | 2008 |
| | RoverPC Evo X8 | Mobile (P) | | 2009 |
| | RoverPC G5 | Mobile (P) | | 2005 |
| | RoverPC G6 | Mobile (P) | | 2007 |
| | RoverPC M5 | Mobile (P) | | 2006 |
| | RoverPC N6 | Mobile (P) | | 2007 |
| | RoverPC N7 | Mobile (P) | | 2007 |
| | RoverPC P1 | Mobile (P) | | 2004< |
| | RoverPC P3 | PDA (P) | | 2001~ |
| | RoverPC P4 | PDA (P) | | 2004 |
| | RoverPC P5 | PDA (P) | | 2003 |
| | RoverPC P5+ | PDA (P) | | 2003 |
| | RoverPC P6 | Mobile (P) | | 2007 |
| | RoverPC P7 | Mobile (P) | | 2004 |
| | RoverPC Pro G7 | Mobile (P) | | 2008 |
| | RoverPC Pro G8 | Mobile (P) | | 2009 |
| | RoverPC Q5 | Mobile (P) | | 2007 |
| | RoverPC Q6 | Mobile (P) | | 2007 |
| | RoverPC R5 | Mobile (P) | | 2007 |
| | RoverPC S1 | Mobile (P) | | 2003 |
| | RoverPC S2 | Mobile (P) | | 2004 |
| | RoverPC S5 | Mobile (P) | | 2007< |
| | RoverPC S6 | Mobile (P) | | 2007 |
| | RoverPC S7 | Mobile (P) | | 2009< |
| | RoverPC S8 | Mobile (P) | | 2010 |
| | RoverPC S8 Lite | Mobile (P) | | 2010< |
| | RoverPC W5 | Mobile (P) | | 2006 |
| | RoverPC X1 | Mobile (P) | | 2006< |
| | | | | |
 | RoverPad (-> Rover Computer) | Air 10.1 3G | Tablet (P) | | 2013 |
| | Air 7.85 | Tablet (P) | | 2013 |
| | Air 7.85 3G | Tablet (P) | | 2013 |
| | Air 8.0 | Tablet (P) | | 2014 |
| | Air A70 | Tablet (P) | | 2013 |
| | Air Play S7 | Tablet (P) | | 2016 |
| | Air Q10 | Tablet (P) | | 2016 |
| | Air S7 | Tablet (P) | | 2016 |
| | Air S70 | Tablet (P) | | 2013 |
| | Air S8 | Tablet (P) | | 2016 |
| | Go C7 | Tablet (P) | | 2016 |
| | Go Q10 | Tablet (P) | | 2016 |
| | Go S7 | Tablet (P) | | 2016 |
| | Pro 7.85 | Tablet (P) | | 2014 |
| | Pro Expert Q7 | Tablet (P) | | 2017 |
| | Pro Q10 | Tablet (P) | | 2016 |
| | Pro Q7 | Tablet (P) | | 2016 |
| | Pro Q8 | Tablet (P) | | 2016 |
| | Pro S7 | Tablet (P) | | 2017 |
| | Sky 7.85 | Tablet (P) | | 2013 |
| | Sky 9.7 | Tablet (P) | | 2013 |
| | Sky 9.7 3G | Tablet (P) | | 2013 |
| | Sky A70 3G | Tablet (P) | | 2013 |
| | Sky C70 | Tablet (P) | | 2014 |
| | Sky Glory S7 | Tablet (P) | | 2016 |
| | Sky Q10 | Tablet (P) | | 2016 |
| | Sky Q8 | Tablet (P) | | 2016 |
| | Sky S7 | Tablet (P) | | 2016 |
| | Sky T70 | Tablet (P) | | 2013 |
| | Tesla 10.1 | Tablet (P) | | 2013 |
| | Tesla 7.0 3G | Tablet (P) | | 2013 |
| | Tesla 8.9 3G | Tablet (P) | | 2013 |
| | Tesla 9.7 3G | Tablet (P) | | 2013 |
| | | | | |
 | Royal Aircraft Establishment (RAE) | GEPUS | Analog | Military | 1950 |
| | SCC | Special | Early | 1950> |
| | TRIDAC | Analog | Military | 1954 |
| | | | | |
 | Royal Business Machines, Inc. | 7000 Word Processing System (aka Friday) | Word processor | | 1980s |
| | Alphatronic PC | Micro | | 1984 |
| | CTS I | Word processor | | 1976< |
| | CTS II | Word processor | | 1976< |
| | daVinci DV1 (= Olivetti daVinci DV1) | PDA (P) | | 1998~ |
| | daVinci DV2 (= Olivetti daVinci DV2) | PDA (P) | | 1998~ |
| | daVinci DV3 (= Olivetti daVinci DV3) | PDA (P) | | 1999~ |
| | daVinci DV4 (= Olivetti daVinci DV4) | PDA (P) | | 1998~ |
| | daVinci DV6 | PDA (P) | | 2001 |
| | daVinci DV7 | PDA (P) | | 2001 |
| | Omniwriter | Word processor | | 1982 |
| | XI-286-DES LAN Workstation | Workstation | | 1991 |
| | XI-386-SVE LAN Workstation | Workstation | | 1991 |
| | | | | |
 | Royal Computer, Inc. | NT Power Server | Server | | 1997 |
| | NT Server | Server | | 1999 |
| | Super Server | Server | | 1996 |
| | | | | |
 | Royal Precision Computer (RPC) (-> Royal McBee) | RPC 4000 | Mainframe | Early | 1960 |
| | RPC 9000 | Mainframe | Early | 1960 |
| | | | | |
 | RoyalTek Company Ltd. | Empus RTW-1000 | PDA (P) | | 2006 |
| | Empus RTW-2000 | PDA (P) | | 2006 |
| | | | | |
 | Royole Corp. | FlexPai | Tablet (P) | | 2018 |
| | FlexPai 2 | Tablet (P) | | 2020 |
| | | | | |
 | RPG Data Systems, Inc. | RPG 310 | Minicomputer | | 1973< |
| | | | | |
 | RRR (3R) Computers Corp. | Avatar TC1 | Micro | Terminal expander | 1982 |
| | Avatar TC10 | Micro | Terminal expander | 1982 |
| | Avatar TC100 | Micro | Terminal expander | 1983 |
| | Avatar TC110 | Micro | Terminal expander | 1983 |
| | Avatar TC3278 | Micro | Terminal expander | 1983 |
| | | | | |
 | RS Components, Ltd. | STE PA | SBC | | 1986 |
| | | | | |
 | RSC Group | MicroDC MC34RSC | Server | | 2022< |
| | MVS-10P | Supercomputer | | 2012 |
| | PetaStream SPbPU | Supercomputer | | 2014 |
| | Polytechnic RSC Tornado | Supercomputer | | 2014 |
| | Tornado SPbPU | Supercomputer | | 2014 |
| | Tornado SUSU | Supercomputer | | 2012 |
| | Tornado TCC084Z | Server | | 2022< |
| | Tornado TCC153B | Server | | 2022< |
| | Tornado TCC153F | Server | | 2022< |
| | Tornado TDN511 | Server | | 2022< |
| | Tornado TDN511S | Server | | 2022< |
| | Tornado TDN531 | Server | | 2022< |
| | Tornado TDN551 AFS | Server | | 2022< |
| | Tornado TDN711 | Server | | 2022< |
| | | | | |
 | RSC SKIF | K-1000 | Supercomputer | | 2001 |
| | K-500 | Supercomputer | | 2003 |
| | SKIF Aurora | Supercomputer | | 2009 |
| | SKIF Cyberia | Supercomputer | | 2007 |
| | SKIF MSU Chebyshev | Supercomputer | | 2008 |
| | SKIF Ural | Supercomputer | | 2008 |
| | T-Platforms T60 Cluster | Supercomputer | | 2008 |
| | Tornado SUSU | Supercomputer | | 2012 |
| | | | | |
 | Ruben Engineering Corp. | The Assistant | Office | | 1981 |
| | | | | |
 | Rubicon Systems, Inc. | Associate Model 125 | Micro | | 1985 |
| | Associate Model 200 | Micro | | 1986< |
| | Rubicon I Model 2000-IV | Micro | | 1986< |
| | | | | |
 | Rüegg-Naegeli & Cie. AG | Sophor (/Commodore 8032) | Micro | | 1980 |
| | | | | |
 | Ruf Buchhaltung AG | MICROCOMPUTER-SYSTEM 2000 | Micro | | 1979 |
| | MICROCOMPUTER-SYSTEM 3000 | Micro | | 1983< |
| | Praetor 3000 (by Nixdorf) | Office | | 1969 |
| | Praetor 4000 (by Nixdorf) | Office | | 1969 |
| | Praetor 5000 (by Nixdorf) | Office | | 1969 |
| | Praetor 508 | Office | | 1976 |
| | Praetor 528 | Office | | 1976 |
| | Praetor 538 | Office | | 1976 |
| | Praetor 6000 (by Nixdorf) | Office | | 1969 |
| | Praetor 8000 (by Nixdorf) | Office | | 1969 |
| | RDS 90 | Office | | 1976 |
| | RDS 91 | Office | | 1976 |
| | RDS 92 | Office | | 1976 |
| | RDS 93 | Office | | 1976 |
| | RDS 94 | Office | | 1977 |
| | RDS 95 | Office | | 1977 |
| | RDS 96/101 | Office | | 1979 |
| | RDS 96/112 | Office | | 1979 |
| | Serie 30/3001 | Office | | 1975< |
| | Serie 40/41 | Office | | 1973 |
| | Serie 40/71 | Office | | 1973 |
| | Serie 41 | Office | | 1976< |
| | Serie 50 | Office | | 1976< |
| | Serie 70/11 | Office | | 1970 |
| | Serie 70/14 | Office | | 1970 |
| | Serie 70/71 | Office | | 1970 |
| | Serie 70/74 | Office | | 1970 |
| | Serie 72/11 | Office | | 1975< |
| | Serie 72/14 | Office | | 1975< |
| | Serie 72/71 | Office | | 1975< |
| | Serie 80/15 | Office | | 1973 |
| | Serie 80/151 | Office | | 1975< |
| | Serie 80/152 | Office | | 1975< |
| | Serie 80/751 | Office | | 1975< |
| | Serie 80/752 | Office | | 1975< |
| | Serie 82/151 | Office | | 1975< |
| | Serie 82/152 | Office | | 1975< |
| | Serie 82/751 | Office | | 1975< |
| | Serie 82/752 | Office | | 1975< |
| | System 30/31 | | | 1979< |
| | System 30/32 | | | 1979< |
| | System 30/33 | | | 1979< |
| | Visible Computer (by Hohner) | Office | | 1969 |
| | | | | |
 | Rugged Digital Systems, Inc. | AN/UYK-79 | Micro | Military | 1988 |
| | MicroVAX II R/630 | Micro | | 1987 |
| | | | | |
 | Rugged Portable Systems | ? | Workstation | SPARC clone | 1990s |
| | | | | |
 | RuggON Corp. | Rextorm PM-521 | Tablet (P) | | 2015 |
| | Rextorm PX-501 | Tablet (P) | | 2015 |
| | | | | |
 | Rundfunk-und FernsehTechnik (RFT) | F1100 | Terminal | Teleprinter | 1981 |
| | F2000 | Terminal | Teleprinter | 1984 |
| | F2500 | Terminal | | 1990 |
| | KC Compact | Home computer | | 1989 |
| | KC-85/2 | Home computer | | 1984 |
| | KC-85/3 | Home computer | | 1986 |
| | KC-85/4 | Home computer | | 1988 |
| | LC80 | SBC | Learn | 1980s |
| | | | | |
 | Russian Academy of Sciences - Institute of Cybernetics Problems | Elektronika SSBIS | Special | Parallel computer | 1991 |
| | | | | |
 | Russian Academy of Sciences - Moscow | BESM | Special | Early, IAS machine
| 1952 |
| | BESM-2 | Mainframe | Early | 1959 |
| | M-1 | Mainframe | Early | 1952 |
| | M-2 | Mainframe | Early | 1953 |
| | M-3 | Mainframe | Early | 1957 |