HP 726719-B21 COMP 16GB DDR4-2133MHZ ECC DRX4 RDIMM
HP 728629-B21 COMP 32GB DDR4-2133MHZ ECC DRX4 RDIMM
16GB DDR3 1333MHz Cl9 Server ECC Reg Pc3-10600
16GB DDR3 1600MHz Cl11 Server ECC Reg Pc3-12800
32GB DDR3 Pc3-12800 1600MHz 1.35v Server ECC Reg Server Memory Module