Cisco Catalyst WS-C2960S-48FPD-L Stackable Ethernet Switch - 48 Ports - Manageable - 2 x Expansion Slots - 10/100/1000Base-T, 10GBase-X - 48, 2 x Network, Expansion Slot - Optical Fiber, Twisted Pair - Gigabit Ethernet - 2 x SFP+ Slots - 2 Layer Supported - Redundant Power Supply - 1U High - Rack-mountableLifetime Limited Warranty