8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7DFR8C-RD capacity:8GB Manufacturer Micron Memory Type DDR4

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

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

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

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

Manufacturer Kingston  Memory Type DDR4 Capacity 16GB Data Transfer Rate 2133Mhz  Bus Type  PC4-17000

8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7DFR8C-RD capacity:8GB Manufacturer Micron Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1866Mhz Bus Type PC3 14900