Rackmount switch poe switch switching ports 24 gigabit ethernet ports 24 x rj 45 fast ethernet ports 24 x rj 45 ethernet ports 24 x rj 45 switch type stackable management managed layer 3 network standards quality of services qos vlan power over ethernet poe flow control spanning tree protocol stp access control list acl energy efficient ethernet backplane bandwidth 128 gbs packet forwarding rate 3571 buffer 12 288 kbit flash memory 32 mb ram