16GB DDR5-4800 ECC Unbuffered UDIMM 1.1V Module
16GB Module - DDR5 - ECC - Unbuffered - 4800MT/s - 1.1V
16GB DDR4-2666 ECC Un-Buffered 1.2V Module
16GB Module - DDR4 - ECC - Unbuffered - 2666MT/s - PC4-21300 - 1.2V - 1 Year Depot Carry-In Mfg. Warranty