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

Manufacturer Micron  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1600Mhz  Bus Type PC3-12800

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

Manufacturer Hynix Memory Type DDR5 Capacity 256GB Data Transfer Rate 4800Mhz  Bus Type PC5-38400

Manufacturer Hynix Memory Type DDR4 Capacity 32GB Data Transfer Rate 3200MHz Bus Type  PC4-25600

Manufacturer Samsung  Memory Type DDR5 Capacity 8GB  Data Transfer Rate 5600Mhz Bus Type PC5-44800

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