Rackmount switch switching ports 48 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 quality of services qos vlan port mirroring flow control backplane bandwidth 256 gbs packet forwarding rate 7142 interface 1x console rj 45 mac address 32 k buffer 8 192 kbit flash memory 512 mb uplink port 4 x sfp link protocols 1000base t 1000base