8GB Server RAM DDR4-2400 ECC Unbuffered SODIMM
8GB Module - DDR4 SO-DIMM - ECC - Unbuffered - 2400MT/s - PC4-19200 - 17ns CAS Latency - 1.2V
16GB DDR4-2666 2Rx8 ECC UDIMM ( VLP )
16GB LP Module - DDR4 - ECC - Unbuffered - 2666MT/s - PC4-21300 - 19ns CAS Latency - 1.2V - Very Low Profile - Micron A-Die Chips