41Y2732 4GB 2 X 2GB Memory for IBM System x3200 M2 4367, 4368 ECC Server RAM. (PARTS-QUICK BRAND) Capacity: 4GB 2 X 2GB Kit Form Factor: 240 pin DIMM Warranty: Lifetime ONLY FOR THE SERVER LISTED DO NOT BUY FOR STANDARD DESKTOPS WHICH USE NON-ECC MEMORY