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

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

Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1600Mhz Bus Type PC3-12800

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

Manufacturer Kingston Memory Type DDR3 Capacity 4GB Data Transfer Rate 1600Mhz Bus Type  PC3-12800

Manufacturer Kingston  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1600Mhz Bus Type PC3-12800

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