4GB DDR4 2133MHz PC4-17000 NON ECC UNBUFFERED DIMM 1Rx16 1.2V 288Pin Heatsink Original Part # capacity:4GB Manufacturer Cisco Memory Type DDR4

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

Manufacturer Samsung  Memory Type DDR4 Capacity 8GB  Data Transfer Rate 2133MHz  Bus Type  PC4-17000

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

Manufacturer Micron Memory Type DDR4 Capacity 16GB Data Transfer Rate 2400MHz Bus Type PC4-19200

Manufacturer Hynix Memory Type DDR5 Capacity 8GB  Data Transfer Rate 5600Mhz Bus Type PC5-44800

4GB DDR4 2133MHz PC4-17000 NON ECC UNBUFFERED DIMM 1Rx16 1.2V 288Pin Heatsink Original Part # capacity:4GB Manufacturer Cisco Memory Type DDR4Manufacturer Heatsink Memory Type DDR4 Capacity 4GB Data Transfer Rate 2133MHz Bus Type PC4 17000