Original IBM EGA card with 64KB of memory. It's upgradeable to 256KB by connecting an optional memory board to the blue slots on the card.
<a href="//commons.wikimedia.org/w/index.php?title=User:Vlask&amp;action=edit&amp;redlink=1" class="new" title="User:Vlask (page does not exist)">Vlask</a>
<span class="int-own-work" lang="en">Own work</span>