Exceptionally Quiet, Superior Reliability, Great Value Pure Power 11 400W offers peerless dependability and best-in-class features. Whether you’re assembling a very quiet system, building a multi-GPU gaming system, or upgrading an existing PC, your build will benefit from this PSU that simply has the best combination of features at a very popular price. * 80PLUS® Gold efficiency (up to 92%)* Two strong 12V-rails* Stable operation thanks to Active Clamp and Synchronous Rectifier (SR) technology* DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions * Silence-optimized 120mm be quiet! fan* Multi-GPU support with two PCIe connectors* High-quality sleeved cables with easy-plug HDD connector * Full suite of top safety features * Meets latest Intel® C6/C7, ErP and Energy Star guidelines* Supports all Intel® and AMD™ processors* 5-year manufacturer’s warranty* Product conception, design and quality control in Germany 80 Plus Gold Certification Very high operating efficiencyPure Power 11 400W is certified 80 PLUS Gold with an efficiency rating of up to 92% – a truly outstanding level for this class of PSU. The most compelling benefit: lower power consumption and consequently lower costs, and cooler, quieter operation. Power and Compatibility for your System The best combination of features and performance at a very popular pricePure Power 11 offers 400W of continuous power with two independent 12V rails for signal stability and two PCI express connectors for multi-GPU systems. It is suited to very quiet systems, for upgrading or building multimedia or multi-GPU gaming systems. Innovative Technologies DC-to-DC, Active Clamp and Synchronous RectifierThe use of Active Clamp and Synchronous Rectifier technologies provides very stable operation. The PSU is equipped with DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions. This ensures secure operation for next generation processors and graphics cards. Exceptionally Silent Operation Achieved by a silence-optimized 120mm be quiet! fanThe silence-optimized 120mm be quiet! fan is thermally governed to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality and the almost inaudible operation that be quiet! is famous for. High-Quality Sleeved Cables Keeping your system tidy and good-lookingPure Power 400W is exquipped with high-quality sleeved cables that simplify component installation, increase airflow and improve cooling. The All-in-one cable has a convenient easy-plug HDD connector.