4GB DDR4 2666Mhz PC4-21300 ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Samsung Original Part # capacity:4GB Manufacturer Heatsink Memory Type DDR4

Manufacturer Heatsink Memory Type DDR4 Capacity 8GB Data Transfer Rate 2400MHz Bus Type PC4-19200

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

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

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 3200MHz  Bus Type  PC4-25600

Manufacturer Kingston Memory Type DDR4 Capacity 16GB Data Transfer Rate 2133Mhz Bus Type PC4-17000

4GB DDR4 2666Mhz PC4-21300 ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Samsung Original Part # capacity:4GB Manufacturer Heatsink Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 4GB Data Transfer Rate 2666Mhz Bus Type PC4 21300