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
Total 4GB 2 X 2GB Kit PC2-5300 667MHz DDR2 ECC 240-pin Unbuffered DIMM. JEDEC industry standard.