128MB PC800 ECC RDRAM-1600
128MB 184pin 8Mx18 ECC PC800-40ns RIMM-1600 (Samsung)
32GB DDR4-3200 Non-ECC UDIMM 1.2V Module
32GB Module - DDR4 - Non-ECC - Unbuffered - 3200MT/s - PC4-25600 - 22ns CAS Latency - 1.2V - Lifetime Depot Carry-In Mfg. Warranty