128GB DDR4 2400Mhz PC4-19200 ECC LRDIMM 4Rx4 1.2V 288Pin Samsung Original Part # M386AAK40B40-CUC DDR5-SODIMM-Laptop RAM Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666Mhz  Bus Type PC4-21300

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

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2666Mhz  Bus Type  PC4-21300

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

Manufacturer Hynix Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2133Mhz  Bus Type PC4-17000

128GB DDR4 2400Mhz PC4-19200 ECC LRDIMM 4Rx4 1.2V 288Pin Samsung Original Part # M386AAK40B40-CUC DDR5-SODIMM-Laptop RAM Manufacturer Samsung Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 128GB Data Transfer Rate 2400Mhz Bus Type PC4 19200