Spectrum variants:

  • 1982 - ZX Spectrum 16k
  • 1982 - ZX Spectrum 48k
  • 1984 - ZX Spectrum + - 48k RAM, essentially a 48k with a new case.
  • 1985 - ZX Spectrum 128 - Spectrum + Case with the addition of a huge heatsink on the edge, 128K RAM, 128K Basic introduced, AY-8192 sound chip gives three-channel sound for the first time, and through the TV too!
  • 1986 - ZX Spectrum +2 - Case similar to Amstrad CPC464, Built-in tape drive, 128K RAM
  • 1987 - ZX Spectrum +2A - As +2, but with a new motherboard, black case and +3 ROM
  • 1987 - ZX Spectrum +2B - As +2A, but made in Taiwan, not Hong Kong
  • 1987 - ZX Spectrum +3 - Case similar to Amstrad CPC6128, Built-in 3 inch disk drive, 128K RAM

Spectrum-related products:

  • ZX80 - 1k RAM, Membrane Keyboard
  • ZX81 - 1k RAM, Membrane Keyboard
  • QL - 16-bit 68000 based machine
  • DKTronics Keyboard - A keyboard with 'proper keys' which took the innards of a ZX Spectrum for all rubber key haters.
  • Sam Coupe - A bit of an oddity, with 3.5 inch disks, up to 2mb RAM (512k internal), and better graphics and sound.