4GB DDR3-1066 ECC Un-Buffered
Samsung 4GB DDR3-1066 ECC Un-Buffered M391B5273BH1-CF800 1Gx72bit chips 240pin 1066/533mhz
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)