TP-Link TL-SG1218MP 18-Port Gigabit POE+ Rackmount switch16 gigabit PoE+ RJ45 ports, 2 gigabit non PoE RJ45 ports, and 2 combo gigabit SFP slots High PoE power budget with up to 30 W for each PoE port and 250 W for all PoE ports* Working with IEEE 802. 3af at compliant PDs Plug and play, with no configuration and installation needed 802. 1p DSCP QoS enable smooth latency sensitive traffic Durable metal casing and professional heat dissipation design ensure a wide operating temperature range (050 )