Azio Netis 5-port Gigabit Switch (ST-3120) Compliant with the IEEE802.3 10Base-T Ethernet, IEEE802.3u 100Base-TX, IEEE802.3ab 1000Base-T specifications IEEE802.3x standard flow control for Full-duplex, optional Back Pressure function for Half-duplex operation / 16Gbps switching fabric capacity Reduced energy consumption