Proven Reliability and Good Efficiency be quiet! System Power 9 500W offers renowned be quiet! reliability and quietness for price-conscious PC builders. Rock-solid stability with two strong 12V-rails DC-to-DC technology for tight voltage regulation Multi-GPU support with two PCIe connectors Temperature-controlled 120mm fan reduces system noise Stand-by drain of less than 0.15 watts 80PLUS® Bronze efficiency (up to 89%) Attractive black sleeved cables Complete suite of top safety features Meets latest Intel® C6/C7 ErP and Energy Star 6.1 guidelines 3-year manufacturer’s warranty Product conception design and quality control in Germany Very Quiet Operation Attained by using a high-quality fan System Power 9 500W is equipped with a temperature-controlled 120mm fan. It provides you with the low noise operation that be quiet! is famous for built into an entry-level system 80 Bronze Certification High operating efficiency The 80PLUS® Bronze certification is convincing evidence of this PSU’s efficient and power saving operation. It is a remarkable achievement for this class of PSU realizing an efficiency rating of up to 89%. High Performance for Your System Proven reliability for CPU and GPU System Power 9 500W provides stable and dependable power for CPU and GPU. It is equipped with two independent 12V-rails and supports several graphics cards with two PCI express connectors for multi-GPU systems. Innovative DC-to-DC Conversion Equipped with a wealth of advanced technology The PSU is equipped with DC-to-DC conversion for tight voltage regulation even under heavy cross-loading conditions. This ensures reliable operation and makes it ready for the next generation of processors and graphics cards. High-Quality Cable Design Attractive design for high performance cost-effective systems System Power 9 500W comes with full high-quality black sleeved cables that add a touch of class to any PC system. Comprehensive Protection A complete range of safety features Top component protection with a full suite of safety functions including OCP OVP OPP OTP UVP and SCP which provide the ultimate in secure operation.