8GB DDR3 1066Mhz PC3L-8500 ECC RDIMM 4Rx8 1.35V 240pin Vlp/Micron Original Part # MMT36KDYS1G72PDZ-1G1D1 DDR4-ECC UNBUFF Manufacturer Lenovo Memory Type DDR4

Manufacturer Lenovo Memory Type DDR4 Capacity 64GB Data Transfer Rate 2666Mhz Bus Type PC4-21300

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

Manufacturer Kingston  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2400Mhz  Bus Type PC4-19200

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

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

8GB DDR3 1066Mhz PC3L-8500 ECC RDIMM 4Rx8 1.35V 240pin Vlp/Micron Original Part # MMT36KDYS1G72PDZ-1G1D1 DDR4-ECC UNBUFF Manufacturer Lenovo Memory Type DDR4Manufacturer Micron Memory Type DDR3 Capacity 8GB Data Transfer Rate 1066Mhz Bus Type PC3L 8500