Intel Optane 3DXP 256GB DDR4 3200 1.2v Persistent Memory Module
256GB Module - DDR4 - ECC - Registered - Optane DDR4 3200 38400 - ( for Optane Supported \motherboards Only)
16GB DDR4-2666 ECC RDIMM
16GB Module - DDR4 - ECC - Registered - 2666MT/s - PC4-23400 - 19ns CAS Latency - 1.2V - 5 Year Depot Carry-In Mfg. Warranty