Rackmount switch poe switch switching ports 24 gigabit ethernet ports 20 x rj 45 4 x rj 45 fast ethernet ports 20 x rj 45 4 x rj 45 ethernet ports 20 x rj 45 4 x rj 45 switch type stackable management managed layer 3 network standards quality of services qos vlan full duplex power over ethernet poe backplane bandwidth 128 gbs packet forwarding rate 952 interfaces 1x usb 11 1x management rj 45 max power consumption 475 w mac address 2 k buf