4GB DDR4 2666MHz PC4-21300 SODIMM 1Rx8 1.2V 260pin Samsung Original Part # M471A5244EB1-CTD DDR5-ECC UNBUFF Manufacturer Samsung Memory Type DDR4

Manufacturer Samsung  Memory Type DDR4 Capacity 32GB Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer HPE Memory Type DDR4 Capacity 256GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

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

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

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

4GB DDR4 2666MHz PC4-21300 SODIMM 1Rx8 1.2V 260pin Samsung Original Part # M471A5244EB1-CTD DDR5-ECC UNBUFF Manufacturer Samsung Memory Type DDR4Manufacturer Samsung Memory Type DDR4 Capacity 4GB Data Transfer Rate 2666MHz Bus Type PC4 21300