8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7AFR8C-RD capacity:8GB Manufacturer Micron Memory Type DDR3

Manufacturer Micron  Memory Type DDR3 Capacity 16GB  Data Transfer Rate 1066Mhz  Bus Type PC3-8500

Manufacturer Heatsink  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2133MHz  Bus Type PC4-17000

Manufacturer Kingston Memory Type DDR3 Capacity 32GB Data Transfer Rate 1066Mhz Bus Type  PC3L-8500

Manufacturer Samsung Memory Type DDR4 Capacity 16GB Data Transfer Rate 2666MHz Bus Type PC4-21300

Manufacturer Kingston Memory Type DDR4 Capacity 32GB  Data Transfer Rate 2133Mhz Bus Type PC4-17000

8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7AFR8C-RD capacity:8GB Manufacturer Micron Memory Type DDR3Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1866Mhz Bus Type PC3 14900