8GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT31GR7EFR4C-H9 DDR5-SODIMM-Laptop RAM Manufacturer Micron Memory Type DDR3

Manufacturer Micron  Memory Type DDR3 Capacity 4GB  Data Transfer Rate 1866Mhz  Bus Type PC3L-14900

Manufacturer Samsung  Memory Type DDR4 Capacity 32GB  Data Transfer Rate 2133Mhz Bus Type PC4-17000

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

Manufacturer Samsung  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2666Mhz  Bus Type PC4-21300

Manufacturer Heatsink  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2933MHz  Bus Type PC4-23400

8GB DDR3 1333Mhz PC3-10600 ECC RDIMM 2Rx4 1.5V 240pin Hynix Original Part # HMT31GR7EFR4C-H9 DDR5-SODIMM-Laptop RAM Manufacturer Micron Memory Type DDR3Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1333Mhz Bus Type PC3 10600