16GB DDR4-2666 ECC REG RDIMM Module ( 1Rx4)
16GB Module - DDR4 - ECC - Registered - 2666MT/s - PC4-21300 - 17ns CAS Latency - 1.2V
32GB DDR4 2933 ECC REG RDIMM 1.2v module
32GB Module - DDR4 - ECC - Registered - 3200MT/s - PC4-25600 - 22ns CAS Latency - 1.2V