be quiet! System Power 10 power supply unit 850 W 20+4 pin ATX ATX Black

PROVEN RELIABILITY, QUIET OPERATION System Power 10 850W has been built with price-conscious users in mind that do not want to dispense on reliability and quietness. Features such as LLC + SR + DC-to-DC topology and Dual-Rail operation underline the value System Power 10 850W offers even at entry-level. 80 PLUS® GOLD CERTIFICATION Very high operating efficiency System Power 10 850W is certified 80 PLUS Gold with an efficiency rating of up to 93.4% – a truly outstanding level for this class of PSUs. The most compelling benefit is lower power consumption, lower costs, and cooler, quieter operation. Whether you are building a very quiet system or gaming system: System Power 10 850W is the price-conscious choice! EXCEPTIONALLY SILENT OPERATION Achieved by a silence-optimized 120mm be quiet! fan The 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-CLASS TECHNOLOGIES Compatibility for all systems LLC and Synchronous Rectifier (SR) provide very stable operation and enhanced voltage regulation. The PSU is equipped with DC-to-DC conversion for tight voltage regulation even under heavy cross-loading conditions. HIGH PERFORMANCE FOR YOUR SYSTEM Proven reliability for CPU and GPU System Power 10 850W provides stable and dependable power for CPU and GPU. It is equipped with 2 independent 12V-rails and supports several graphics cards with 4 PCI express connectors for GPU support.