The Sinclair QL is a personal computer launched by Sinclair Research in 1984, as an upper-end counterpart to the ZX Spectrum.

Technical Specifications
CPU : MC 68008 7.5 MHz, Co-Processors: Intel 8049 IPC, Sinclair ZX8301, Sinclair ZX8302
ROM : 48 Kb (up to 64 Kb)
RAM : 128 Kb (up to 728 Kb without additional CPU) and 32 Kb VRAM
Display : Television or Monitor
Text display : 40 Rows x 25 Columns or 64 Rows x 25 Columns or 85 Rows x 25 Columns
Graphics display : 256 x 256 (8 colours) or 512 x 256 (4 colours)
Colours : 256 colour effects
Sound : Beeper
Keyboard : QWERTY/AZERTY with 5 function keys, semi-full stroke keyboard.
Interface : RF Video, RGB Video, 2 x RS232 (Serial), 2 x Sinclair Network , 2 x controllers,
Interface : Rom Connector , Expansion Bus, External Microdrives bus
Data Storage : 2 x 100 Kb built in microdrives
Power Supply : External power pack