ProMOS is a vintage computer manufacturer or software publisher from the early computing era. We track their products to help collectors find ProMOS items on the secondary market.

Are there ProMOS items for sale right now?

We currently track 1 ProMOS items. Browse this page to see ProMOS computers, software, and accessories for sale on eBay.

Have ProMOS items sold recently?

Yes, 1 ProMOS items have sold recently. Check the sold listings on this page for recent ProMOS sale prices.

What ProMOS products are collectible?

ProMOS produced vintage computing products that are now collectible. Browse this page to explore different item types including computers, software, peripherals, and accessories from ProMOS.

ProMOS

1 items 1 sold

ProMOS RAM Expansion - Recently Sold View All

ProMOS 256MB DDR RAM

$1.99

Browse All 1 Items for ProMOS

Retro Computing Market Watch Database | 2026-07-21 00:28:14

ProMOS

Sign In