HPE Instant On 1830 48 Ports Manageable Ethernet Switch - Gigabit Ethernet - 10/100/1000Base-T, 100/1000Base-X - 2 Layer Supported - Modular - 4 SFP Slots - 17.70 W Power Consumption - Twisted Pair, Optical Fiber - 1U - Rack-mountable, Cabinet Mount, Table Top, Under Table - Lifetime Limited Warranty