Something of a powerhouse when it comes to Power-over-Ethernet switches, this compact beauty offers PoE to 802.3af/at standard across all eight Gigabit Ethernet ports, at up to 30 Watts per port with a power budget total of 140 Watts. Which, put simply, means you can power devices such as access points, IP phones and video surveillance cameras simply by plugging them in with an Ethernet cable - no additional power required.