8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx8 1.2V 288Pin Samsung Original Part # M393A1K43BB0-CTD DDR5-ECC UNBUFF Manufacturer Lenovo Memory Type DDR4

Manufacturer Lenovo Memory Type DDR4 Capacity 32GB Data Transfer Rate 3200Mhz Bus Type PC4-25600

Manufacturer Samsung  Memory Type DDR5 Capacity 64GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

Manufacturer Cisco  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

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

Manufacturer HPE  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2666Mhz  Bus Type PC4-21300

8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx8 1.2V 288Pin Samsung Original Part # M393A1K43BB0-CTD DDR5-ECC UNBUFF Manufacturer Lenovo Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666Mhz Bus Type PC4 21300