64GB DDR4-3200 ECC Registered 2Rx4 1.2V Module
64GB Module - DDR4 - ECC - Registered - 3200MT/s - PC4-25600 - 23ns CAS Latency - 1.2V
32GB DDR4-2666 ECC Registered 1.2v RDIMM
32GB Module - DDR4 - ECC - Registered - 2666MT/s - PC4-21300 - 19ns CAS Latency - 1.2V - 5 Year Depot Carry-In Mfg. Warranty