8GB DDR4 2666MHz PC4-21300 SODIMM 1Rx8 1.2V 260pin Samsung Original Part # M471A1K43CB1-CTD capacity:8GB Manufacturer Samsung Memory Type DDR3

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

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

Manufacturer Micron  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1333Mhz Bus Type  PC3-10600

Manufacturer Samsung  Memory Type DDR4 Capacity 128GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Hynix  Memory Type DDR4 Capacity 32GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

8GB DDR4 2666MHz PC4-21300 SODIMM 1Rx8 1.2V 260pin Samsung Original Part # M471A1K43CB1-CTD capacity:8GB Manufacturer Samsung Memory Type DDR3Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666MHz Bus Type PC4 21300