8GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7MFR8C-PB capacity:8GB Manufacturer Kingston Memory Type DDR4

Manufacturer Kingston  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2933MHz  Bus Type PC4-23400

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

Manufacturer Samsung  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1866Mhz Bus Type  PC3-14900

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

Manufacturer Sumsung Memory Type DDR4 Capacity 16GB Data Transfer Rate 2666Mhz Bus Type PC4-21300

8GB DDR3 1600Mhz PC3-12800 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7MFR8C-PB capacity:8GB Manufacturer Kingston Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1600Mhz Bus Type PC3 12800