Rackmount switch switching ports 52 10 gigabit ethernet ports 4x sfp gigabit ethernet ports 48 x rj 45 fast ethernet ports 48 x rj 45 ethernet ports 48 x rj 45 switch type stackable management managed layer 3 network standards flow control full duplex energy efficient ethernet link layer discovery protocol lldp vlan spanning tree protocol stp link aggregation control protocol lacp quality of services qos backplane bandwidth 176 gbs max power cons