Allied Telesis X930-28GSTX Ethernet Switch - 48 Ports - Manageable - Gigabit Ethernet, 10 Gigabit Ethernet - 10/100/1000Base-T, 100/1000Base-X, 10GBase-X - 3 Layer Supported - Modular - 24 SFP Slots - 97 W Power Consumption - Optical Fiber, Twisted Pair - Rack-mountable: