Rackmount switch poe switch switching ports 28 10 gigabit ethernet ports 4x sfp gigabit ethernet ports 24 x rj 45 switch type stackable layer 3 network standards power over ethernet poe port mirroring broadcast storm control energy efficient ethernet backplane bandwidth 128 gbs packet forwarding rate 128 interfaces 1x console rj 45 1x usb max power consumption 871 w buffer 1 536 kbit flash memory 256 mb ram 1 024 mb stacking bandwidth 40 gbps