f&w. not to sound rude, but there is only two memory slots. the two white ones are pic expansion slots for sound, video cards etc. great auction though!
Does it come with the front panel I/O ribbon cable? Dell has a proprietary ribbon cable for that board which controls the power switch, front audio/USB, and reset switch.
All of the documentation I was able to see for the OptiPlex 755 shows that it supports a max of 4 or 8G of memory. Thanks. https://www.dell.com/downloads/global/products/optix/en/opti_755_techspecs.pdf
Is there a part number on the board so that we can look at the specs? it appears to be a DELL system board, but the picture isn't high enough resolution to read the other text. Thanks.