32GB DDR4 3200 ECC Unbuffered UDIMM 1.2v VLP module
32GB Module - DDR4 - ECC - Unbuffered - Very Low Profile - 3200MT/s - PC4-25600 - 22ns CAS Latency - 1.2V
64GB DDR4-3200 ECC Registered RDIMM ( LP module)
64GB LP Module - DDR4 - ECC - Registered - 3200MT/s - PC4-25600L - 22ns CAS Latency - 1.2V - Samsung Chips