4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B5170DZ1-CH9 capacity:4GB Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung Memory Type DDR4 Capacity 32GB Data Transfer Rate 2666MHz Bus Type PC4-21300

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

Manufacturer Micron  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

Manufacturer Kingston Memory Type DDR3 Capacity 32GB Data Transfer Rate 1066Mhz Bus Type PC3L-8500

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

4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M393B5170DZ1-CH9 capacity:4GB Manufacturer Samsung Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1333Mhz Bus Type PC3 10600