Intel Optane 3DXP 512GB DDR4 2666 1.2v Persistent Memory Module
512GB Module - DDR4 - ECC - Registered - 2666MT/s - Optane DDR4 2666 21300 - ( for Optane Supported \motherboards Only)
16GB SO-DIMM DDR4-2666 ECC UDIMM
16GB Module - DDR4 SO-DIMM - ECC - Unbuffered - 2666MT/s - PC4-21300 - 1.2V