Allied Telesis x950-52XTQm Layer 3 Switch - 48 Ports - Manageable - 10 Gigabit Ethernet, 100 Gigabit Ethernet - 100GBase-X, 10GBase-T - 3 Layer Supported - Modular - 300 W Power Consumption - Optical Fiber, Twisted Pair - 1U High - Rack-mountable: