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-railsStable operation thanks to Active Clamp and Synchronous Rectifier (SR) technologyDC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions  Silence-optimized 120mm be quiet! fanMulti-GPU support with two PCIe connectorsHigh-quality sleeved cables with easy-plug HDD connector  Full suite of top safety features Meets latest Intel® C6C7 ErP and Energy Star guidelinesSupports all Intel® and AMD™ processors5-year manufacturer’s warrantyProduct conception design and quality control in Germany80 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 connectorSpecificationSeries Be Quiet! Pure Power 11Compatability ATX 12V 24Wattage 400 WModular Fully WiredConnectors "1 x ATX-Motherboard (20 4-pin)1 x P4 4 (CPU)2 x PCI-E 6 2-pin (GPU)2 x PATA 4-pin5 x SATA 15-pin (HDD Drives)1 x FDD (Floppy)"Rail Design Dual 12VAC Input AC 100-240 VPFC Active PFCFan Type 120mmSilence-optimized be quiet! fanHideFan Bearing Rifle BearingNoise dB(A) at 20 load 105dB(A) at 50 load 114dB(A) at 100 load 14980 Certification 80 GoldEfficiency "230V 20 load 871230V 50 load 909E230V 100 load 895"MTBF "100000 hours"Protection Over currentOver voltageUnder voltageShort circuitOver temperatureOver powerFeatures See OverviewWeightDimensions 150 x 150 x 86 mm19 kgPackage Weight 22200 kgWarranty 5 Years