The cx500 delivers the power needed for medium specification home or office pcs that do not have high numbers of components while also offering high energy efficiency and low noise power nominal power 500 w ac input voltage 90 264 v power factor 099 power factor correction pfc type active maximum input current 110v 12v 33v 5v 5vsb 12v redundant power supply rps support no power protection features over current over voltage short circuit under voltage power over ethernet poe support no