16GB DDR4 2666MHz PC4-21300 SODIMM 2Rx8 1.2V 260pin Micron Original Part # MTA16ATF2G64HZ-2G6H1 capacity:16GB Manufacturer Hynix Memory Type DDR3

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

Manufacturer Samsung  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1600Mhz  Bus Type PC3L-12800

Manufacturer Heatsink  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

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

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

16GB DDR4 2666MHz PC4-21300 SODIMM 2Rx8 1.2V 260pin Micron Original Part # MTA16ATF2G64HZ-2G6H1 capacity:16GB Manufacturer Hynix Memory Type DDR3Manufacturer Micron Memory Type DDR4 Capacity 16GB Data Transfer Rate 2666MHz Bus Type PC4 21300