be quiet! PSU System Power 10 850W 80+ Gold

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 efficiency (up to 93.4%)
• Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC 
• Silence-optimized 120mm be quiet! fan reduces system noise
• Rock-solid stability with 2 strong 12V-rails
• Dependable operation to support powerful GPUs
• Stand-by drain of less than 0.15 watts
• Attractive black flat cables
• Complete suite of top safety features