1000W Be Quiet! Dark Power Pro 11 Legendary Silence, Cutting Edge Performance It is a fact of the modern world that high technology requires constant refinement and unending improvement — and that is even truer for those who would be leaders. Dark Power Pro power supplies are renowned as the world's quietest and most efficient high-performance PSUs. The Dark Power Pro 11 1000W model takes that a step further with a power conversion topology that delivers 80PLUS® Platinum performance, add to that an unparalleled array of enhancements that augment this unit's compati­bility, convenience of use, reliability, and safety, and the result is the most technologically-advanced power supply be quiet! has ever built. FEATURES 80PLUS® Platinum certification and up to 94% power conversion efficiency Virtually inaudible operation thanks to a broad array of optimizations, including the use of a be quiet! SilentWings® 3 135mm fan SilentWings® 3 fan features an advanced fan frame, an airflow-optimized fan blade, fluid-dynamic bearing with copper core and a high-quality 6-pole motor for less vibration The funnel-shaped fan opening of the PSU case is significant big and allows high airflow intake 1000 Watts of continuous power provide intensive power reserves for demanding computing applications Overclocking key allows switchover between quadruple independent 12V-rail mode and high-performance single-rail operation Cable management with extra long cable reach simplifies component installation and reduces annoying clutter, increasing airflow and improving cooling in even the largest PC cases Product conception, design and quality control in Germany SPECIFICATIONS General Data Continuous power (W) 1000 Peak power (W) 1100 Form factor ATX 12V Version 2.4 Form factor EPS 12V Version 2.92 Modular cable management ? Topology Full bridge + LLC + SR + DC/DC Voltage (Vac) 100 – 240 Frequency (Hz) 50 – 60 Input current (A) 14 / 8 PFC active Power factor at 100% load >0.99 Compliant to Intel C6/C7 ? Compliant to Intel C6