: While some listings erroneously mention DDR3, verified technical guides confirm it uses Expansion Slots 1x PCI Express x16 (for dedicated graphics). 1x PCI Express x1.
The back panel layout is standard for Acer towers of the 2007-2009 era. acer mcp73tad motherboard manual verified
: Front panel audio header for headphone and microphone jacks. Clear CMOS : A 3-pin jumper ( : While some listings erroneously mention DDR3, verified