64GB DDR4 2666Mhz PC4-21300 ECC RDIMM 4Rx4 1.2V 288Pin Cisco Original Part # UCS-MR-X64G4RS-H capacity:64GB Manufacturer Hynix Memory Type DDR4

Manufacturer Hynix Memory Type DDR4 Capacity 128GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

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

Manufacturer Micron Memory Type DDR5 Capacity 32GB Data Transfer Rate 5600Mhz Bus Type PC5-44800

Manufacturer Dell  Memory Type DDR4 Capacity 256GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Hynix Memory Type DDR4 Capacity 64GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

64GB DDR4 2666Mhz PC4-21300 ECC RDIMM 4Rx4 1.2V 288Pin Cisco Original Part # UCS-MR-X64G4RS-H capacity:64GB Manufacturer Hynix Memory Type DDR4Manufacturer Cisco Memory Type DDR4 Capacity 64GB Data Transfer Rate 2666Mhz Bus Type PC4 21300