4GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx8 1.2V 288Pin Kingston Original Part # DDR4-RDIMM Server Manufacturer Lenovo Memory Type DDR4

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

Manufacturer Kingston  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2666Mhz  Bus Type PC4-21300

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

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

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