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Sinclair QL
Sinclair • 1983

Launched BySinclair
Type8-bit Microcomputer
Launch12th January 1983
DiscontinuedApril 1986


The QL ("Quantum Leap") was Sinclair's attempt at a business computer. Not only was it incompatible with its popular sibling, the ZX Spectrum, it used a proprietary media format: The Microdrive.

The QL was unable to compete with Macintosh and IBM computers in the business space and was discontinued when Amstrad acquired Sinclair's computer products in 1986.

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Buy Sinclair QL on eBay

Rom Port Cover – Original Part For Sinclair QL Computer

20h 22m United Kingdom • Buy it now: £7.99.


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Sinclair Psion QL Computer Lot Good Cosmetically Boots Up Microdrive Not Loading

2d 18h 24m United Kingdom • Current Price: £108.00 (14 Bids)


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Sinclair QL PSION Chess microdrive cartridge

3d 7h 24m United States • Buy it now: $14.99.


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Sinclair QL Computer VERY GOOD CONDITION TESTED BOOTS UP But keys not working

4d 18h 41m United Kingdom • Current Price: £108.00 (11 Bids)


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Sinclair QL Emulation

System Emulator Notes
Windows / Mac OS / Linux MAME/MESS Good Support. Setname: ql
Windows / Mac OS / Linux ZEsarUX -

Emulator information last updated 13th April 2020

Sinclair QL Tech Specs and further details

Name Sinclair QL
Codename ZX83
Origin United Kingdom
Processor Motorola 68000
Developed by David Karlin, Rick Dickinson
Memory 128KB (upgradable to 896KB)
Display Size (pixels) 256 x 256 (lo-res), 512 x 256 (hi-res)
Colours 8 Colours
Storage Microdrive
Input Built-in keyboard, joystick ports
Cost £399 (UK launch)
Dedicated Publications QL Today

Sinclair QL Resources