16GB DDR4-2933 ECC REGISTERED 1Rx4 Module
16GB Module - DDR4 - ECC - Registered - 2933MT/s - PC4-23400 - 21ns CAS Latency - 1.2V
8GB DDR4-2666 ECC UDIMM
8GB Module - DDR4 - ECC - Unbuffered - 2666MT/s - PC4-21300 - 19ns CAS Latency - 1.2V - Micron R-Die DRAM Modules - Lifetime Depot Carry-In Mfg. Warranty