4GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx8 1.5V 240pin Kingston Original Part # capacity:4GB Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 2133Mhz  Bus Type  PC4-17000

Manufacturer Kingston  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1333Mhz  Bus Type  PC3L-10600

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

Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2400Mhz Bus Type PC4-19200

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

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