24 PoE+ ports (802.3af/at) providing up to 30W per port / 180W total PoE power...24 PoE+ ports (802.3af/at) providing up to 30W per port / 180W total PoE power supply, designed for IP (Internet Protocol) cameras 4 extra Gigabit ports to provide sufficient bandwidth. Max heat dissipation - 74.0 BTU/h (with no power supply...more