Memotech MTX500

Previously known mainly for making expansion modules for the ZX Spectrum and ZX81, Memotech released the MTX500 in June 1983 at the cost of £275. The machine came with a built-in assembler/disassembler, terminal emulator and the ability to run CP/M. Also available were 5¼" and 8" floppy drives and a hard disc.

Production of the MTX500 stopped in 1985.

Title image
Manufacturer Memotech
Processor Z80A
Speed (MHz) 4
RAM expandable to (KB) (unknown)
ROM (KB) (unknown)
Sound 3 channels
Keyboard type Typewriter-style
Number of keys 79
Dimensions (mm) 488x202x56
Weight (g) (unknown)
  • Cassette interface
  • Two joystick ports
  • Expansion slot
  • Centronics printer port
  • Composite video connector