32GB DDR4 3200 ECC REG RDIMM 1.2v VLP module
32GB Module - DDR4 - ECC - Registered - Very Low Profile - 3200MT/s - PC4-25600 - 22ns CAS Latency - 1.2V
16GB DDR3-1866 ECC REG 2Rx4 1.5V PC3-12800 Module
Hynix 16GB Module - PC3-14900R DDR3-1866 ECC REGISTERED - CL11 240-Pin DIMM - 1.5V - Dual Rank Memory Module - 16GB DDR3 - ECC - Registered - PC3-14900