8GB DDR4 2666MHz PC4-21300 SODIMM 1Rx16 1.2V 260pin Crucial Original Part # DDR5-ECC UNBUFF Manufacturer Crucial Memory Type DDR4

Manufacturer Crucial  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

Manufacturer Micron  Memory Type DD3 Capacity 8GB  Data Transfer Rate 1600Mhz  Bus Type PC3L-12800

Manufacturer Micron  Memory Type DDR3 Capacity 8GB  Data Transfer Rate 1866Mhz  Bus Type  PC3-14900

Manufacturer Nanya Memory Type DDR3 Capacity 4GB Data Transfer Rate 1600Mhz Bus Type PC3-12800

Manufacturer Heatsink  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2666MHz  Bus Type PC4-21300

8GB DDR4 2666MHz PC4-21300 SODIMM 1Rx16 1.2V 260pin Crucial Original Part # DDR5-ECC UNBUFF Manufacturer Crucial Memory Type DDR4Manufacturer Crucial Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666MHz Bus Type PC4 21300