8GB DDR4 2666 ECC REG RDIMM Module
8GB Module - DDR4 - ECC - Registered - 2666MT/s - PC4-21300 - 1.2V
1GB PC2-4200 ECC Registered DDR2-533
1024MB PC2-4200 DDR2-533 Registered ECC (2-Rank) (Non-Returnable/Non-Exchangable)
16GB DDR4 2933 ECC Un-Buffered UDIMM 1.2V Module
16GB Module - DDR4 - ECC - Unbuffered - 2933MT/s - PC4-23400 - 21ns CAS Latency - 1.2V