MITS · 1975

Altair 8800

Programmed with front-panel switches. Microsoft's very first product was BASIC for the Altair.

0people started on one
0countries

Then vs now

Memory256 bytesA 2025 phone has about 33.6 million× more
Clock speed2 MHzA phone core ticks about 1,500× faster
Launch price$439About $2,560 in 2024 dollars
MakerMITS
Released1975
ProcessorIntel 8080, 2 MHz
Memory256 bytes
StorageNone (toggle switches)
Launch price$439 (about $2,560 in 2024 dollars)
Big inUSA

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

Nobody has added the Altair 8800 yet.

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Memories of the Altair 8800

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Questions and answers

When did the Altair 8800 come out?

The Altair 8800 was released in 1975 by MITS.

How much did the Altair 8800 cost when it was new?

About $439 for the base model at launch, roughly $2,560 in 2024 US dollars after inflation (US Consumer Price Index).

How much memory and speed did the Altair 8800 have?

256 bytes of memory and a Intel 8080 processor at 2 MHz. A typical 2025 flagship phone has about 33.6 million times more memory.

How many people had the Altair 8800 as their first computer?

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

Where was the Altair 8800 popular?

It was especially popular in USA.

Can you still buy the Altair 8800?

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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Other first computers from around 1975