16GB DDR4 2666Mhz PC4-21300 ECC UNBUFFERED DIMM 2Rx8 1.2V 288Pin Micron Original Part # MTA18ASF2G72AZ-2G6DI capacity:16GB Manufacturer Samsung Memory Type DDR5

Manufacturer Samsung  Memory Type DDR5 Capacity 8GB  Data Transfer Rate 4800Mhz  Bus Type PC5-38400

Manufacturer Samsung  Memory Type DDR4 Capacity 128GB  Data Transfer Rate 3200Mhz  Bus Type PC4-25600

Manufacturer Cisco  Memory Type DDR4 Capacity 16GB  Data Transfer Rate 2666Mhz Bus Type PC4-21300

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

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

16GB DDR4 2666Mhz PC4-21300 ECC UNBUFFERED DIMM 2Rx8 1.2V 288Pin Micron Original Part # MTA18ASF2G72AZ-2G6DI capacity:16GB Manufacturer Samsung Memory Type DDR5Manufacturer Micron Memory Type DDR4 Capacity 16GB Data Transfer Rate 2666Mhz Bus Type PC4 21300