Fortinet FortiSwitch 548D Ethernet Switch - 48 Ports - Manageable - 6 x Expansion Slots - 40GBase-X, 10GBase-X, 1000Base-T - Modular - 48 x Network, 4 x Expansion Slot, 2 x Expansion Slot - Optical Fiber, Twisted Pair - 40 Gigabit Ethernet, 10 Gigabit Ethernet, Gigabit Ethernet - 4 x SFP+ Slots - 2 Layer Supported - 1U High - Rack-mountable: