4GB DDR4 2133Mhz PC4-17000 ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Micron Original Part # MTA9ASF51272AZ-2G1B1 capacity:4GB Manufacturer Micron Memory Type DDR5

Manufacturer Micron  Memory Type DDR5 Capacity 16GB  Data Transfer Rate 5600Mhz Bus Type PC5-44800

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

Manufacturer Micron  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 Micron Memory Type DDR4 Capacity 32GB Data Transfer Rate 3200Mhz Bus Type PC4-25600

4GB DDR4 2133Mhz PC4-17000 ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Micron Original Part # MTA9ASF51272AZ-2G1B1 capacity:4GB Manufacturer Micron Memory Type DDR5Manufacturer Micron Memory Type DDR4 Capacity 4GB Data Transfer Rate 2133Mhz Bus Type PC4 17000