VERY QUIET OPERATION High-quality fan for low noise System Power 10 650W is equipped with a temperature-controlled 120mm quality fan. It provides the low noise operation that be quiet! is famous for, offering remarkable quietness at this price-level. HIGH PERFORMANCE FOR YOUR SYSTEM Proven reliability for CPU and GPU System Power 10 650W provides stable and dependable power for CPU and GPU. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load. 80 PLUS® BRONZE CERTIFICATION Efficient operation The 80 PLUS Bronze certification of System Power 10 650W with an efficiency rating of up to 88.5% is convincing evidence of this PSU’s power saving operation. STRONG 12V RAIL For a stable PCIe graphics support System Power 10 650W provides enough power for demanding graphics cards. Safety protections defend against overcurrents, over- and undervoltages, overtemperature, short circuits and overloads, thus keeping your valuable components safe.