Extreme Networks Summit X450-G2-48p-10GE4 Ethernet Switch - 48 Ports - Manageable - 4 x Expansion Slots - 10/100/1000Base-TX, 10GBase-X - 48, 4 x Network, Expansion Slot - Twisted Pair, Optical Fiber - Gigabit Ethernet, 10 Gigabit Ethernet - 4 x SFP+ Slots - 3 Layer Supported - 1U High - Rack-mountableLifetime Limited Warranty: