TRS-80 is the name of Tandy Corporation's original 1977 microcomputer system (also known as the Model I). The TRS-80 brand was also later applied to many different computers sold by Tandy, including several unrelated in design to the Model I.

• TRS-80 Model I (1977), the original TRS-80 Micro Computer System
  • TRS-80 Model III (1980), improved and compatible replacement for the Model I
  • TRS-80 Model 4 (including Model 4P), successor to the Model III
• TRS-80 Model II (1979), small-business oriented microcomputer, not related to the original Model I
  • TRS-80 Model 12 (1982), successor to the Model II
  • TRS-80 Model 16, (including Model 16B), successor to the Model 12
• TRS-80 Color Computer ("CoCo") (1980), a Motorola 6809-based line of computers
• TRS-80 MC-10 (1983), a short-lived, low-end hobbyist-oriented computer
• TRS-80 Model 100 (1983), an early portable computer
• TRS-80 Pocket Computer, a series of rebadged pocket computers manufactured by Sharp and Casio for Tandy
  • TRS-80 Pocket Computer PC-1, the original model in the lane (a rebadged Sharp PC-1211)
  • TRS-80 Pocket Computer PC-2, a rebadged Sharp PC-1500
  • TRS-80 Pocket Computer PC-3, a rebadged Sharp PC-1251

• TRS-80 (group), an electronic music group formed in Chicago in 1997

• Video Genie, a line of TRS-80 Model I clones sold as the TRZ-80 in South Africa
• List of TRS-80 clones

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