1GB DDR3-1333 ECC UDIMM
1GB Module - DDR3 - ECC - Unbuffered - 1333MT/s - PC3-10600 - 9ns CAS Latency - 1.5V - Samsung F-Die DRAM Modules
16GB DDR4-2666 ECC RDIMM
16GB Module - DDR4 - ECC - Registered - 2666MT/s - PC4-23400 - 19ns CAS Latency - 1.2V - 5 Year Depot Carry-In Mfg. Warranty