Power Supply BE QUIET 400 Watts Efficiency 80 PLUS BRONZE PFC Active MTBF 100000 hours

be quiet! System Power 9 400W offers renowned be quiet! reliability and quietness for price-conscious PC builders. Rock-solid stability with 2 strong 12V-rails DC-to-DC technology for tight voltage regulation 2 PCIe connectors for powerful GPUs Temperature-controlled 120mm fan reduces system noise Stand-by drain of less than 0.15 watts 80 PLUS® 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