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

Manufacturer Samsung  Memory Type DDR4 Capacity 128GB  Data Transfer Rate 2933Mhz  Bus Type PC4-23400

Manufacturer Kingston  Memory Type DDR4 Capacity 32GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

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

Manufacturer Hynix Memory Type DDR4 Capacity 16GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

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