Amer SS3GR1050LP Layer 3 Switch - 48 Ports - Manageable - 6 x Expansion Slots - 1000Base-X, 10GBase-X, 1000Base-T - Modular - 4, 44, 2 x Expansion Slot, Network, Expansion Slot - Twisted Pair, Optical Fiber - Gigabit Ethernet, 10 Gigabit Ethernet - Shared SFP Slot - 4 x SFP Slots - 2 x SFP+ Slots - 3 Layer Supported - Power Supply - 5 Year: