4GB DDR2-667 ECC FB-DIMM Rank-4
Hynix 4GB DDR2-667 ECC Fully-Buffered Rank-4 240pin (HYMP151F72CP8D5-Y5 C / 4GB 4Rx8 PC2-5300F-555-11) - 4GB 4GB) - DDR2 - ECC - Fully Buffered - PC2-5300
8GB DDR4 2666 ECC REG RDIMM Module
8GB Module - DDR4 - ECC - Registered - 2666MT/s - PC4-21300 - 1.2V - 1 Year Depot Carry-In Mfg. Warranty