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

Manufacturer Samsung Memory Type DDR4 Capacity 4GB Data Transfer Rate 2933MHz Bus Type PC4-23400

Manufacturer Hynix Memory Type DDR3 Capacity 32GB  Data Transfer Rate 1600Mhz  Bus Type PC3-12800

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

Manufacturer Lenovo  Memory Type DDR4 Capacity 128GB  Data Transfer Rate 2933Mhz  Bus Type PC4-23400

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

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