Sinclair Research · 1982

Sinclair ZX Spectrum 48K

Rubber keys, colour graphics and thousands of games, many written in teenagers' bedrooms.

0people started on one
0countries

Then vs now

Memory48 KBA 2025 phone has about 174,763× more
Clock speed3.5 MHzA phone core ticks about 857× faster
Launch price£175Base model at launch
MakerSinclair Research
Released1982
ProcessorZilog Z80A, 3.5 MHz
Memory48 KB
StorageCassette
Launch price£175
Big inUK, Spain, Eastern Europe

Launch price is for the base model in its home market and is approximate. US prices adjusted with the US Consumer Price Index (BLS).

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Where people started on one

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Memories of the Sinclair ZX Spectrum 48K

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Questions and answers

When did the Sinclair ZX Spectrum 48K come out?

The Sinclair ZX Spectrum 48K was released in 1982 by Sinclair Research.

How much did the Sinclair ZX Spectrum 48K cost when it was new?

About £175 for the base model at launch.

How much memory and speed did the Sinclair ZX Spectrum 48K have?

48 KB of memory and a Zilog Z80A processor at 3.5 MHz. A typical 2025 flagship phone has about 174,763 times more memory.

How many people had the Sinclair ZX Spectrum 48K as their first computer?

Nobody has added it to the First Computer Atlas yet. If it was yours, add it.

Where was the Sinclair ZX Spectrum 48K popular?

It was especially popular in UK, Spain, Eastern Europe.

Can you still buy the Sinclair ZX Spectrum 48K?

Only second-hand. Working units turn up on eBay and at retro computing fairs; boxed, tested machines cost the most. Check sold listings rather than asking prices to judge what one is worth.

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