16GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT42GR7BFR4A-RD DDR4-ECC UNBUFF Manufacturer Micron Memory Type DDR4

Manufacturer Micron Memory Type DDR4 Capacity 4GB Data Transfer Rate 3200MHz Bus Type PC4-25600

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

Manufacturer Hynix Memory Type DDR3  Capacity 32GB  Data Transfer Rate 1333Mhz  Bus Type PC3L-10600

Manufacturer Lenovo Memory Type DDR3 Capacity 32GB Data Transfer Rate 1333Mhz Bus Type PC3L-10600

Manufacturer Sumsung  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2933Mhz  Bus Type  PC4-23400

16GB DDR3 1866Mhz PC3-14900 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT42GR7BFR4A-RD DDR4-ECC UNBUFF Manufacturer Micron Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 16GB Data Transfer Rate 1866Mhz Bus Type PC3 14900