8GB DDR2-667 ECC FB-DIMM Dual-RANK 240pin
Hynix 8GB DDR2-667 PC2-5300F ECC FB-DIMM ( full-Buffered) HMP31GF7AFR4C-Y5D5 - 8GB 8GB) - DDR2 - ECC - Fully Buffered - 667MT/s
16GB DDR4 2666 ECC UDIMM 2Rx8 on-die VLP Module
16GB Module - DDR4 - ECC - Unbuffered - 2666MT/s - PC4-21300 - 1.2V