4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 1Rx4 1.5V 240pin Samsung Original Part # M393B5270CH0-CH9 DDR5-SODIMM-Laptop RAM Manufacturer Hynix Memory Type DDR3

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

Manufacturer Micron  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1600Mhz  Bus Type PC3-12800

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

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

Manufacturer Micron  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

4GB DDR3 1333Mhz PC3-10600 ECC RDIMM 1Rx4 1.5V 240pin Samsung Original Part # M393B5270CH0-CH9 DDR5-SODIMM-Laptop RAM Manufacturer Hynix Memory Type DDR3Manufacturer Samsung Memory Type DDR3 Capacity 4GB Data Transfer Rate 1333Mhz Bus Type PC3 10600