4GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # capacity:4GB Manufacturer Kingston Memory Type DDR4

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

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

Manufacturer Heatsink  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 3466Mhz  Bus Type PC4-27700

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

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2933Mhz  Bus Type PC4-23400

4GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # capacity:4GB Manufacturer Kingston Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 4GB Data Transfer Rate 1866Mhz Bus Type PC3 14900