8GB DDR3 1066Mhz PC3-8500 ECC RDIMM 4Rx8 1.5V 240pin Vlp/Hynix Original Part # HMT41GV7BMR8C-G7 capacity:8GB Manufacturer Ramaxel Memory Type DDR3

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

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

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

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 3200Mhz  Bus Type  PC4-25600

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

8GB DDR3 1066Mhz PC3-8500 ECC RDIMM 4Rx8 1.5V 240pin Vlp/Hynix Original Part # HMT41GV7BMR8C-G7 capacity:8GB Manufacturer Ramaxel Memory Type DDR3Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1066Mhz Bus Type PC3 8500