4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B5170EHB-CH9 DDR4-ECC SODIMM Manufacturer Hynix Memory Type DDR4

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

Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2133MHz Bus Type  PC4-17000

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

Manufacturer Crical  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 3200MHz  Bus Type PC4-25600

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

4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B5170EHB-CH9 DDR4-ECC SODIMM Manufacturer Hynix Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1333Mhz Bus Type PC3 10600