16GB DDR4-2666 ECC SO-DIMM
16GB Module - DDR4 SO-DIMM - ECC - Unbuffered - 2666MT/s - PC4-21300 - 19ns CAS Latency - 1.2V - Hynix D-Die DRAM Modules - Lifetime Depot Carry-In Mfg. Warranty
16GB DDR5-4800 ECC UDIMM 1.1V Module (w/ Hynix chips)
16GB Module - DDR5 - ECC - Unbuffered - 4800MT/s - PC5-38400 - 40ns CAS Latency - 1.2V