16GB DDR3 1600Mhz PC3L-12800 ECC RDIMM 2Rx4 1.35V 240pin Samsung Original Part # M393B2G70EB0-YK3 DDR5-SODIMM-Laptop RAM Manufacturer Hynix Memory Type DDR4

Manufacturer Hynix Memory Type DDR4 Capacity 256GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

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

Manufacturer Samsung  Memory Type DDR4 Capacity 64GB  Data Transfer Rate 5600Mhz Bus Type  PC4-25600

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

Manufacturer Samsung Memory Type DDR4 Capacity 16GB Data Transfer Rate 2400MHz Bus Type PC4-19200

16GB DDR3 1600Mhz PC3L-12800 ECC RDIMM 2Rx4 1.35V 240pin Samsung Original Part # M393B2G70EB0-YK3 DDR5-SODIMM-Laptop RAM Manufacturer Hynix Memory Type DDR4Manufacturer Samsung Memory Type DDR3 Capacity 16GB Data Transfer Rate 1600Mhz Bus Type PC3L 12800