8GB DDR3 1600Mhz PC3-12800 ECC RDIMM 1Rx4 1.5V 240pin Micron Original Part # MT18JSF1G72PZ-1G6D1 capacity:8GB Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung Memory Type DDR4 Capacity 32GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

Manufacturer Micron  Memory Type DDR3 Capacity 16GB  Data Transfer Rate 1066Mhz  Bus Type PC3-8500

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

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

Manufacturer Hynix Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2666Mhz  Bus Type PC4-21300

8GB DDR3 1600Mhz PC3-12800 ECC RDIMM 1Rx4 1.5V 240pin Micron Original Part # MT18JSF1G72PZ-1G6D1 capacity:8GB Manufacturer Samsung Memory Type DDR4Manufacturer Micron Memory Type DDR3 Capacity 8GB Data Transfer Rate 1600Mhz Bus Type PC3 12800