Seasonic M12II EVO 520 SS-520GM2 520W 80+ Bronze EVO Edition ATX12V & EPS12V Full Modular 105 &deg;C Japanese Capacitor 5 Year Warranty Power Supply 105 C JAPANESE CAPACITOR; Highly reliable, quality components. FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system. 80 PLUS BRONZE - 82% efficient at 20% load, 85% efficient at 50% load, and 82% efficient at 100% load. 120 mm FLUID DYNAMIC BEARING FAN; The 120 mm FDB fan inside is regulated by the Seasonic S2FC fan control, which optimizes the fan speed according to the needs of the system. 5 YEAR WARRANTY; Our commitment to superior quality.