8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx4 1.2V 288Pin Samsung Original Part # MTA18ASF1G72PZ-2G6F1 DDR5-SODIMM-Laptop RAM Manufacturer Crucial Memory Type DDR4

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

Manufacturer Micron Memory Type DDR4 Capacity 64GB Data Transfer Rate 2666Mhz Bus Type PC4-21300

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

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

Manufacturer Samsung  Memory Type DDR4 Capacity 128GB Data Transfer Rate 2400Mhz  Bus Type  PC4-19200

8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 1Rx4 1.2V 288Pin Samsung Original Part # MTA18ASF1G72PZ-2G6F1 DDR5-SODIMM-Laptop RAM Manufacturer Crucial Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666Mhz Bus Type PC4 21300