4GB DDR2-667 ECC Fully Buffered FB-DIMM
4GB Module - DDR2 - ECC - Fully Buffered - 667MT/s - PC2-5300 - 5ns CAS Latency - 1.8V - Lifetime Depot Carry-In Mfg. Warranty
256MB DDR2-533 ECC CL4
256MB DDR2-533 PC2-4200 - ECC CL4 1Rx8 9C - for IBM HP Dell Lenovo Intel Supermicro - 7Q0575/ 7Q0585 / 359820-041