64GB DDR4 2666Mhz PC4-21300 ECC RDIMM 4Rx4 1.2V 288Pin Hynix Original Part # HMAA8GR7A2R4N-VN capacity:64GB Manufacturer Hynix Memory Type DDR4

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

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

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

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

64GB DDR4 2666Mhz PC4-21300 ECC RDIMM 4Rx4 1.2V 288Pin Hynix Original Part # HMAA8GR7A2R4N-VN capacity:64GB Manufacturer Hynix Memory Type DDR4Manufacturer Hynix Memory Type DDR4 Capacity 64GB Data Transfer Rate 2666Mhz Bus Type PC4 21300