TRENDnet TEG-S5 5-Port Gigabit Switch (5 x 10/100/1000Mbps Auto-Negotiation, Auto-MDIX Gigabit Ethernet Ports)  (Black) Standards: IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3x Flow Control Network Media: Ethernet: UTP/STP Cat. 3,4,5, EIA/TIA-568 100-ohm; Fast Ethernet: UTP/STP Cat. 5. 5E, EIA/TIA-568 100-ohm Data Rate: - Ethernet: 100Mbps/200Mbps (Half/Full-Duplex) - Ethernet: 10Mbps/20Mbps (Half/Full-Duplex)Fast