Netgear ProSafe M5300-52G Ethernet Switch - 50 Ports - Manageable - Stack Port - 6 x Expansion Slots - 10/100/1000Base-TX, 10GBase-T, 1000Base-X, 10GBase-X - 48, 2, 2, 4 x Network, Network, Expansion Slot, 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 - 1U High - Rack-mountable, DesktopLifetime Limited Warranty