4GB DDR2-800 ECC REG Rank-2
Hynix 4GB DDR2-800 ECC REG Rank-2 240pin (HYMP151R72CP4-S6 AB / 4GB 2Rx4 PC2-6400P-666-12) - 4GB Module - DDR2 - ECC - Registered - PC2-3200
16GB DDR4-3200 VLP ECC RDIMM
16GB Module - DDR4 - ECC - Registered - Very Low Profile - 3200MT/s - PC4-25600 - 22ns CAS Latency - 1.2V - 5 Year Depot Carry-In Mfg. Warranty