4GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx8 1.5V 240pin Samsung 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 Samsung  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1866Mhz  Bus Type PC3-14900

Manufacturer Kingston  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1066Mhz  Bus Type  PC3-8500

Manufacturer Samsung  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

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

4GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx8 1.5V 240pin Samsung Original Part # capacity:4GB Manufacturer Kingston Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1600Mhz Bus Type PC3 12800