8GB DDR4 2666MHz PC4-21300 SODIMM 1Rx8 1.2V 260pin Samsung Original Part # M471A1K43BB1-CTD DDR4-ECC UNBUFF Manufacturer Nanya Memory Type DDR3

Manufacturer Nanya Memory Type DDR3 Capacity 16GB Data Transfer Rate 1333Mhz Bus Type PC3L-10600

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

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

Manufacturer Micron  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1866Mhz  Bus Type PC3L-14900

8GB DDR4 2666MHz PC4-21300 SODIMM 1Rx8 1.2V 260pin Samsung Original Part # M471A1K43BB1-CTD DDR4-ECC UNBUFF Manufacturer Nanya Memory Type DDR3Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666MHz Bus Type PC4 21300