128GB DDR4 2666Mhz PC4-21300 ECC RDIMM 4Rx4 1.2V 288Pin Samsung Original Part # M393AAK40B42-CWD DDR4-RDIMM Server Manufacturer Hynix Memory Type DDR5

Manufacturer Hynix Memory Type DDR5 Capacity 256GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

Manufacturer Kingston Memory Type DDR4 Capacity 256GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

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

Manufacturer Micron  Memory Type DDR5 Capacity 32GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

128GB DDR4 2666Mhz PC4-21300 ECC RDIMM 4Rx4 1.2V 288Pin Samsung Original Part # M393AAK40B42-CWD DDR4-RDIMM Server Manufacturer Hynix Memory Type DDR5Manufacturer Samsung Memory Type DDR4 Capacity 128GB Data Transfer Rate 2666Mhz Bus Type PC4 21300