IEEE 802 Energy-efficient Auto-Negotiation RJ45 ports with 8 10/100/1000 Mbps Auto-MDI/MDIX Green Ethernet technology save up to 82% of power. Reliable data transfer is provided by 3x flow control. Steel enclosure, wall-mounting or desktop design Support for IGMP Snooping and 802.1p/DSCP QoS Plug and play; no setup is required.