D-Link 52-Port 10-Gigabit Smart Managed PoE Switch

52 Ports - Manageable - Gigabit Ethernet, 10 Gigabit Ethernet - 10/100/1000Base-T, 10GBase-X - 3 Layer Supported - Modular - 57.20 W Power Consumption - 370 W PoE Budget - Twisted Pair, Optical Fiber - PoE Ports - Rack-mountable - Lifetime Limited Warranty