64GB DDR4-2933 ECC Registered 1.2v Module
64GB Module - DDR4 - ECC - Registered - 2933MT/s - PC4-23400 - 21ns CAS Latency - 1.2V
16GB DDR4-3200 1.2V ECC Registered Module 2Rx8
16GB Module - DDR4 - ECC - Registered - 3200MT/s - PC4-25600 - 23ns CAS Latency - 1.2V