Automatic 5x10/100/1000 Mbps Negotiation Support for Auto-MDI/MDIX on RJ45 ports Plug and play; no setup is required. Supports IGMP and 802.1p/DSCP QoS Snooping features Fanless design, desktop/wall mounting options, and a sturdy metal casing Reliable data transfer is provided by IEEE 802.3x flow control. Power consumption is decreased by green Ethernet technology.