4GB DDR4 2666MHz PC4-21300 NON ECC UNBUFFERED DIMM 1Rx16 1.2V 288Pin Hynix Original Part # HMA851U6JJR6N-VK capacity:4GB Manufacturer Crucial Memory Type DDR4

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

Manufacturer Samsung  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 3200Mhz  Bus Type  PC4-25600

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

Manufacturer Ramaxel  Memory Type DDR4 Capacity 4GB  Data Transfer Rate 2133MHz  Bus Type PC4-17000

Manufacturer Micron Memory Type DDR4 Capacity 32GB Data Transfer Rate 2400Mhz Bus Type PC4-19200

4GB DDR4 2666MHz PC4-21300 NON ECC UNBUFFERED DIMM 1Rx16 1.2V 288Pin Hynix Original Part # HMA851U6JJR6N-VK capacity:4GB Manufacturer Crucial Memory Type DDR4Manufacturer Hynix Memory Type DDR4 Capacity 4GB Data Transfer Rate 2666MHz Bus Type PC4 21300