TRENDnet 28-Port Gigabit Web Smart PoE+ Switch, 24 x Gigabit Ports, 4 x Shared Gigabit Ports (RJ-45 or SFP), 185W PoE Budget, 56Gbps Switching...

TRENDnet 28-Port Gigabit Web Smart PoE+ Switch, 24 x Gigabit Ports, 4 x Shared Gigabit Ports (RJ-45 or SFP), 185W PoE Budget, 56Gbps Switching Capacity, Lifetime Protection, Black, TPE-2840WS Standards: IEEE 802.1d IEEE 802.1p IEEE 802.1Q IEEE 802.1s IEEE 802.1w IEEE 802.1X IEEE 802.1ab IEEE 802.3 IEEE 802.3u IEEE 802.3x IEEE 802.3z IEEE 802.3ab IEEE 802.3ad IEEE 802.3af (15.4 Watts/port) IEEE 802.3at (30 Watts/port) IEEE 802.3az Primary Ports: 4 x Gigabit PoE+ ports (ports 1-4) 20 x Gigabit PoE ports (ports 5-24) 4 x SFP slots (slots 25-28 Primary Port Speed: Ethernet: 10 Mbps (half duplex), 20 Mbps (full duplex) Fast Ethernet: 100 Mbps (half duplex), 200 Mbps (full duplex) Gigabit Ethernet: 2000 Mbps (full duplex) MAC Address Table: 16K VLAN Support: Yes Buffer Memory: 1MB Protocols: TCP/IP Power: 100~240VAC, 50/60Hz