16GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT42GR7MFR4A-RD capacity:16GB Manufacturer Kingston Memory Type DDR4

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

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

Manufacturer Hynix Memory Type DDR4 Capacity 32GB Data Transfer Rate 5600Mhz Bus Type PC4-19200

Manufacturer Hynix Memory Type DDR4 Capacity 32GB Data Transfer Rate 3200MHz Bus Type  PC4-25600

Manufacturer Samsung Memory Type DDR3 Capacity 16GB Data Transfer Rate 1333Mhz Bus Type PC3-10600

16GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT42GR7MFR4A-RD capacity:16GB Manufacturer Kingston Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 16GB Data Transfer Rate 1866Mhz Bus Type PC3 14900