Allied Telesis x510 GPX Series stackable Gigabit switches power the edge in the network more efficiently than any others.&lt;br /&gt;&lt;br /&gt;The x510-52GPX stackable Gigabit edge switch features 48 x 10/100/1000T PoE+ ports and 4 x 10G/1G SFP+ uplink ports. It includes two internal power supplies for high reliability as well as VCStack allowing devices to be stacked to create highly resilient solutions that can be distributed over long distances. The AT-x510-52GPX delivers up to 30 Watts per port (PoE+) perfect for supporting standard as well as Pan/Tilt/Zoom video surveillance and security cameras wireless access points IP phones RFID readers automatic doors and other PoE-powered devices. This PoE option eliminates the need for power rewiring and minimizes the clutter of power supplies and adapters in awkward places. The x510-52GPX is designed for the edge of enterprises retail government universities and medical campuses.