8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 2Rx8 1.2V 288Pin Kingston Original Part # DDR5-NON ECC Desktop Manufacturer Kingston Memory Type DDR4

Manufacturer Kingston Memory Type DDR4 Capacity 32GB Data Transfer Rate 2400Mhz Bus Type PC4-19200

Manufacturer Samsung  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 2133Mhz  Bus Type  PC4-17000

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

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

Manufacturer Hynix Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666Mhz  Bus Type PC4-21300

8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 2Rx8 1.2V 288Pin Kingston Original Part # DDR5-NON ECC Desktop Manufacturer Kingston Memory Type DDR4Manufacturer Kingston Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666Mhz Bus Type PC4 21300