Aruba CX 4100i Ethernet Switch - 12 Ports - Manageable - Gigabit Ethernet, 10 Gigabit Ethernet - 10/100/1000Base-T, 10GBase-X - 3 Layer Supported - Modular - Power Supply - Twisted Pair, Optical Fiber - PoE Ports - 4U High - DIN Rail Mountable, Rack-mountable: