Netgear Layer 3 Switch - 48 Ports - Manageable - Stack Port - 4 x Expansion Slots - 10/100/1000Base-TX, 10GBase-X - 48 x Network, 4 x Expansion Slot - Twisted Pair, Optical Fiber - Gigabit Ethernet, 10 Gigabit Ethernet - 4 x SFP+ Slots - 3 Layer Supported - Power Supply: