512MB PC2-3200 DDR2-400 ECC RDIMM
512MB Module - DDR2 - ECC - Registered - 400MT/s - PC2-3200 - 3ns CAS Latency - 1.8V
Intel Optane 3DXP 128GB DDR4 2666 1.2v Persistent Memory Module
128GB Module - DDR4 - ECC - Registered - 2666MT/s - Optane DDR4 2666 21300 - ( for Optane Supported \motherboards Only)