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

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

Manufacturer Micron  Memory Type DDR5 Capacity 16GB  Data Transfer Rate 4800Mhz Bus Type PC5-38400

Manufacturer Micron Memory Type DDR4 Capacity 32GB Data Transfer Rate 2933Mhz Bus Type PC4-23400

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

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

4GB DDR4 2133Mhz PC4-17000 ECC UNBUFFERED DIMM 1Rx8 1.2V 288Pin Micron Original Part # MTA9ASF51272AZ-2G1B1 capacity:4GB Manufacturer Samsung Memory Type DDR4Manufacturer Micron Memory Type DDR4 Capacity 4GB Data Transfer Rate 2133Mhz Bus Type PC4 17000