8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx4 1.2V 288Pin Samsung Original Part # M393A1G40DB1-CTD DDR5-ECC UNBUFF Manufacturer Hynix Memory Type DDR4

Manufacturer Hynix Memory Type DDR4 Capacity 16GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Cisco Memory Type DDR4 Capacity 64GB Data Transfer Rate 2666Mhz Bus Type PC4-21300

Manufacturer Hynix Memory Type DDR4 Capacity 64GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

Manufacturer Cisco  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

Manufacturer Samsung  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 2400Mhz  Bus Type PC4-19200

8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx4 1.2V 288Pin Samsung Original Part # M393A1G40DB1-CTD DDR5-ECC UNBUFF Manufacturer Hynix Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666Mhz Bus Type PC4 21300