4GB DDR4 2400MHz PC4-19200 SODIMM 1Rx16 1.2V 260pin Samsung Original Part # M471A5244BB0-CRC capacity:4GB Manufacturer Hynix Memory Type DDR3

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

Manufacturer Kingston  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

Manufacturer Kingston Memory Type DDR4 Capacity 8GB Data Transfer Rate 2133Mhz Bus Type PC4-17000

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

Manufacturer Micron  Memory Type DDR5 Capacity 32GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

4GB DDR4 2400MHz PC4-19200 SODIMM 1Rx16 1.2V 260pin Samsung Original Part # M471A5244BB0-CRC capacity:4GB Manufacturer Hynix Memory Type DDR3Manufacturer Samsung Memory Type DDR4 Capacity 4GB Data Transfer Rate 2400MHz Bus Type PC4 19200