4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4
Standard 512M X 72 ECC 667MHz 240-pin Fully Buffered DIMM (SDRAM-DDR2 1.8V CL5 FBGA Gold)Primary InformationRAM Technology :  DDR2 SDRAM RAM / Installed Qty :  512M X 72 RAM / Memory Speed :  667 MHz RAM Form Factor :  N/A RAM / Storage Capacity :  N/A Memory / Supply Voltage :  1.8 V Service&SupportService; & Support Type :  Lifetime UNSPSC CodeUNSPSC Code :  32101602