5× 10/100/1000 Mbps Auto-Negotiation RJ45 ports supporting Auto-MDI/MDIX Plug and play, no configuration needed Supports 802.1p/DSCP QoS and IGMP Snooping functions Durable metal casing, desktop/wall-mounting options, and a fanless design IEEE 802.3x flow control provides reliable data transfer Green Ethernet technology reduces power consumption