8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 2Rx8 1.2V 288Pin Hynix Original Part # HMA41GR7BJR8N-VK DDR5-SODIMM-Laptop RAM Manufacturer Micron Memory Type DDR4

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

Manufacturer Micron  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2933Mhz  Bus Type PC4-23400

Manufacturer Kingston  Memory Type DDR4 Capacity 32GB  Data Transfer Rate 2666Mhz  Bus Type PC4-21300

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

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

8GB DDR4 2666Mhz PC4-21300 ECC RDIMM 2Rx8 1.2V 288Pin Hynix Original Part # HMA41GR7BJR8N-VK DDR5-SODIMM-Laptop RAM Manufacturer Micron Memory Type DDR4Manufacturer Hynix Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666Mhz Bus Type PC4 21300