Be Quiet! 600W System Power 9 PSU, 80 Bronze, Dual 12V, Cont. Power Proven Reliability and Good Efficiency be quiet! System Power 9 600W offers renowned be quiet! reliability and quietness for price-conscious PC builders.     Rock-solid stability with two strong 12V-rails     DC-to-DC technology for tight voltage regulation     Multi-GPU support with four PCIe connectors     Temperature-controlled 120mm fan reduces system noise     Stand-by drain of less than 0.15 watts     80PLUS® 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     3-year manufacturer’s warranty     Product conception, design and quality control in Germany Specially designed by be quiet! with the price-conscious PC builder in mind - the System Power 9, featuring true be quiet! reliability with two 12V-rails for rock-solid voltage stability. The series is certified 80PLUS® Bronze efficient and able to support multiple GPUs with up to four PCIe connectors provided.     System Power 9‘s combination of power and quietness for a PSU of its class and efficiency is far beyond ordinary, making it possible for you to build cost-effective and reliable systems - a key differentiator in an era of nearly identical commodities. Very Quiet Operation   Attained by using a high-quality fan     System Power 9 600W is equipped with a temperature-controlled 120mm fan. It provides you with the low noise operation that be quiet! is famous for, built into an entry-level system. 80PLUS® Bronze Certification   High operating efficiency     The 80PLUS® Bronze certification is convincing evidence of this PSU’s efficient and power saving operation. It is a remarkable achievement for this class of PSU, realizing an efficiency rating of up to 89 . High Performance For Your System   Proven reliability for CPU and GPU     System Power 9 600W provides stable and dependable power for CPU and GPU. It is equipped with two independent 12V-rails and supports several graphics cards with four PCI express connectors for multi-GPU systems. Innovative DC-to-DC Conversion   Equipped with a wealth of advanced technology     The PSU is equipped with DC-to-DC conversion for tight voltage regulation, even under heavy cross-loading conditions. This ensures reliable operation and makes it ready for the next generation of processors and graphics cards. High-Quality Cable Design   Attractive design for high performance, cost-effective systems     System Power 9 600W comes with full high-quality black sleeved cables that add a touch of class to any PC system. Comprehensive Protection   A complete range of safety features     Top component protection with a full suite of safety functions, including OCP, OVP, OPP, OTP UVP and SCP, which provide the ultimate in secure operation. Specification Form Factor: ATX Modular: Fully Wired Series: Be Quiet! System Power 9 Compatability: ATX 12V v2.4 & EPS 12V v2.92 Wattage: 600 W Connectors: \"1 x ATX-Motherboard (20 4-pin) 1 x P4 4 (CPU) 4 x PCI-E 6 2-pin (GPU) 2 x PATA 4 pin 6 x SATA 15-pin (HDD, Drives) 2 x Mainboard connector (PATA 4-pin)\" Rail Design: Dual 12V AC Input: AC200-240 V PFC: Active PFC Fan Type: High-quality 120mm fan Sleeve Bearing Fan Bearin Sleeve Bearing Noise: dB(A) at 20 load: 9.2 dB(A) at 50 load: 12.8 dB(A) at 100 load: 31.2 80 Certification: 80 Bronze Efficiency: Up to 89 MTBF: \"100,000 hours\" Protection: Over current Over voltage Under voltage Short circuit Over temperature Over power Features: See Overview Weight/Dimensions: 2.03 kg 140 x 150 x 86 Package Weight: 2.4700 kg Warranty: 3 Years