16GB DDR4 2666MHz PC4-21300 SODIMM 2Rx8 1.2V 260pin Samsung Original Part # M471A2K43CB1-CTD capacity:16GB Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung Memory Type DDR4 Capacity 32GB Data Transfer Rate 3200Mhz Bus Type PC4-25600

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2400MHz  Bus Type  PC4-19200

Manufacturer Hynix Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1333Mhz  Bus Type PC3L-10600

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

Manufacturer Hynix Memory Type DDR4 Capacity 256GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

16GB DDR4 2666MHz PC4-21300 SODIMM 2Rx8 1.2V 260pin Samsung Original Part # M471A2K43CB1-CTD capacity:16GB Manufacturer Samsung Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 16GB Data Transfer Rate 2666MHz Bus Type PC4 21300