24 Ports - Manageable - Stack Port - 4 x Expansion Slots - 10/100/1000Base-TX, 1000Base-X - Modular - 24 x Network, 4 x Expansion Slot - Twisted Pair, Optical Fiber - Gigabit Ethernet - Shared SFP Slot - 4 x SFP Slots - 3 Layer Supported - Redundant Power Supply - 1U High - Rack-mountableLifetime Limited Warranty