Layer 2 managed 18 ports 10/100/1000m poe switch, 1-16 port support poe (802.3at/af), with 2 uplink gigabit ports + 2 gigabit sfp ports + 1 managed port, ieee 802.3af/at standard each port maximum support 30w, support qos, stp/rstp/mstp, igmp, snmp, web, vlan, etherchanne, igmp snooping, dhcprelayagent, aaa, voicevlan, gmrp, rmonpo configuration, erps port configuration, rmonpo/erps port configuration ?802.1x port security ,?port isolation?log information, management function, bandwidth 40.0 gbps, forwarding mode: store and forward, mac address: 8k, standard 1u case type, comes with rack brackets, 200w internal