Allied Telesis CentreCOM GS910/18XST Ethernet Switch - 17 Ports - Gigabit Ethernet, 10 Gigabit Ethernet, 2.5 Gigabit Ethernet, 5 Gigabit Ethernet - 10/100/1000Base-T, 10GBase-X, 10GBase-T, 2.5GBase-T, 5GBase-T - 2 Layer Supported - Twisted Pair, Optical Fiber - Wall Mountable, Rack-mountable, Desktop, Compact: