16GB DDR3 1066Mhz PC3-8500 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # DDR4-ECC UNBUFF Manufacturer Nanya Memory Type DDR3

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

Manufacturer Kingston Memory Type DDR4 Capacity 16GB Data Transfer Rate 2400MHz Bus Type PC4-19200

Manufacturer Kingston  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

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

Manufacturer Samsung  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666Mhz  Bus Type  PC4-21300

16GB DDR3 1066Mhz PC3-8500 ECC RDIMM 2Rx4 1.5V 240pin Samsung Original Part # DDR4-ECC UNBUFF Manufacturer Nanya Memory Type DDR3Manufacturer Samsung Memory Type DDR3 Capacity 16GB Data Transfer Rate 1066Mhz Bus Type PC3 8500