4GB DDR3 1866Mhz PC3-14900 ECC RDIMM 1Rx4 1.5V 240pin Samsung Original Part # capacity:4GB Manufacturer Samsung Memory Type DDR3

Manufacturer Samsung  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1600Mhz  Bus Type  PC3L-12800

Manufacturer Samsung  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 3200MHz  Bus Type PC4-25600

Manufacturer Samsung  Memory Type DDR5 Capacity 16GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

Manufacturer Hynix Memory Type DDR4 Capacity 4GB Data Transfer Rate 2400MHz Bus Type PC4-19200

Manufacturer Hynix Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2400Mhz  Bus Type PC4-19200

4GB DDR3 1866Mhz PC3-14900 ECC RDIMM 1Rx4 1.5V 240pin Samsung Original Part # capacity:4GB Manufacturer Samsung Memory Type DDR3Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1866Mhz Bus Type PC3 14900