16GB DDR4-2666 ECC UDIMM
16GB Module - DDR4 - ECC - Unbuffered - 2666MT/s - PC4-21300 - 19ns CAS Latency - 1.2V
8GB DDR3-1600 ECC UDIMM 1.35V VLP Module
Very-Low-Profile: Specialy for slim blades - 8GB Module - DDR3 - ECC - Unbuffered - 1600MT/s - PC3L-12800E - 1.35V