32GB DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260pin Samsung Original Part # M474A4G43MB1-CTD capacity:32GB Manufacturer Hynix Memory Type DDR3

Manufacturer Hynix Memory Type DDR3 Capacity 32GB  Data Transfer Rate 1866Mhz  Bus Type PC3-14900

Manufacturer Crucial Memory Type DDR4 Capacity 8GB Data Transfer Rate 2133Mhz Bus Type PC4-17000

Manufacturer Micron  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2133Mhz  Bus Type  PC4-17000

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

Manufacturer Micron  Memory Type DDR5 Capacity 64GB  Data Transfer Rate 5600Mhz Bus Type PC5-44800

32GB DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260pin Samsung Original Part # M474A4G43MB1-CTD capacity:32GB Manufacturer Hynix Memory Type DDR3Manufacturer Samsung Memory Type DDR4 Capacity 32GB Data Transfer Rate 2666MHz Bus Type PC4 21300