8GB DDR4 2666MHz PC4-21300 NON ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Hynix Original Part # HMA81GU6JJR8N-VK capacity:8GB Manufacturer Samsung Memory Type DDR4

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

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

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

Manufacturer Hynix Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2400Mhz  Bus Type  PC4-19200

Manufacturer Kingston  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2400Mhz  Bus Type PC4-19200

8GB DDR4 2666MHz PC4-21300 NON ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Hynix Original Part # HMA81GU6JJR8N-VK capacity:8GB Manufacturer Samsung Memory Type DDR4Manufacturer Hynix Memory Type DDR4 Capacity 8GB Data Transfer Rate 2666MHz Bus Type PC4 21300