Enermax Revolution X't II 750W 80+ Gold Certified Patented HeatGuard technology Power Supply ERX750AWT, Black Extreme efficiency PSU series with 87-92 efficiency @ 20-100% load. Certified to meet 80 PLUS GOLD requirements Help system meet 2013 ErP Lot 6 (&lt;0.5W at standby mode) with high efficiency +5Vsb circuitry (with 2013 ErP Lot 6 enabled motherboard) Keep PSU fan running 30-60 seconds after shutdown to dissipate the remaining system heat and prolong system lifetime Fix the AC cord tightly to avoid accidental shutdown of your PC REVOLUTION X't II high-end components and advance layout ensure non-stop industrial stability