The Digitus DS-40133 is a 4-port Gigabit Ethernet switch designed to provide reliable, high-speed network connections for home or small office networks. It has four 10/100/1000 Mbps auto-sensing RJ45 ports, allowing connection of up to four computers, printers, or other devices. Also, its two ports can be configured to provide up to 2000 Mbps full duplex bandwidth in both directions. Its Power over Ethernet capability allows a single Cat. 5 Ethernet cable to power networked devices and other network devices,up to a maximum of 30 watts. The DS-40133 also features Quality of Service settings to prioritize traffic, and advanced features such as VLAN tagging and prioritization, port mirroring, link aggregation and port trunking.