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

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

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

Memory Type DDR5 Capacity 32GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

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