4GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx8 1.2V 288Pin Hynix Original Part # HMA451R7AFR8N-VK DDR5-RDIMM Server Manufacturer Micron Memory Type DDR4

Manufacturer Micron  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 3200Mhz  Bus Type  PC4-25600

Manufacturer Micron Memory Type DDR4 Capacity 8GB Data Transfer Rate 2133Mhz Bus Type PC4-17000

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

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

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

4GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx8 1.2V 288Pin Hynix Original Part # HMA451R7AFR8N-VK DDR5-RDIMM Server Manufacturer Micron Memory Type DDR4Manufacturer Hynix Memory Type DDR4 Capacity 4GB Data Transfer Rate 2666Mhz Bus Type PC4 21300