4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M392B5170EM1-CH9 DDR5-ECC UNBUFF Manufacturer Elpida Memory Type DDR3

Manufacturer Elpida Memory Type DDR3 Capacity 4GB Data Transfer Rate 1600Mhz Bus Type PC3-12800

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

Manufacturer Micron  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

Manufacturer Samsung  Memory Type DDR5 Capacity 16GB  Data Transfer Rate 5600Mhz Bus Type PC5-44800

Manufacturer Samsung  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1600Mhz  Bus Type PC3L-12800

4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # M392B5170EM1-CH9 DDR5-ECC UNBUFF Manufacturer Elpida Memory Type DDR3Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1333Mhz Bus Type PC3 10600