64GB DDR5-5600 ECC Reg RDIMM
64GB Module - DDR5 - ECC - Registered - 5600MT/s - PC5-44800 - 46ns CAS Latency - 1.1V - 5 Year Depot Carry-In Mfg. Warranty
16GB DDR4-2666 Non-ECC SO-DIMM 1.2V Module for Lenovo
16GB Module - DDR4 SO-DIMM - Non-ECC - Unbuffered - 2666MT/s - PC4-21300 - 1.2V