8GB DDR3 1600Mhz PC3L-12800 ECC RDIMM 1Rx4 1.35V 240pin Hynix Original Part # HMT41GR7AFR4A-PB DDR5-SODIMM-Laptop RAM Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung Memory Type DDR4 Capacity 256GB Data Transfer Rate 5600Mhz Bus Type PC5-44800

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

Manufacturer Crucial  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2133MHz  Bus Type PC4-17000

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

8GB DDR3 1600Mhz PC3L-12800 ECC RDIMM 1Rx4 1.35V 240pin Hynix Original Part # HMT41GR7AFR4A-PB DDR5-SODIMM-Laptop RAM Manufacturer Samsung Memory Type DDR4Manufacturer Hynix Memory Type DDR3 Capacity 8GB Data Transfer Rate 1600Mhz Bus Type PC3L 12800