8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7BFR8C-RD capacity:8GB Manufacturer Lenovo Memory Type DDR4

Manufacturer Lenovo Memory Type DDR4 Capacity 64GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

Manufacturer Micron Memory Type DDR3 Capacity 8GB Data Transfer Rate 1333Mhz Bus Type  PC3-10600

Manufacturer Samsung Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2400MHz  Bus Type PC4-19200

Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2133MHz Bus Type PC4-17000

Manufacturer Micron Memory Type DDR3 Capacity 24GB Data Transfer Rate 1333Mhz Bus Type PC3L-10600

8GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx8 1.5V 240pin Hynix Original Part # HMT41GR7BFR8C-RD capacity:8GB Manufacturer Lenovo Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1866Mhz Bus Type PC3 14900