be quiet! System Power 9 CM BN300 (BN300)

  be quiet! System Power 9 400W CM offers renowned be quiet! reliability and quietness for cost-effective and reliable systems. - Rock-solid stability with two strong 12V-rails - DC-to-DC technology for tight voltage regulation ; - Multi-GPU support with two PCIe connectors - Temperature-controlled 120mm fan re... moreduces system noise - Stand-by drain of less than 0.15 watts - 80 PLUS® Bronze efficiency (up to 89%) - Semi-modular high-quality sleeved and flat cables - All-in-one cable with S-ATA HDD and FDD connectors - Complete suite of top safety features - Meets latest Intel® C6/C7 ErP and Energy Star 6.1 guidelines - 3-year manufacturer’s warranty     Very Quiet Operation  System Power 9 400W CM 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.       80+ Bronze Certification  The 80 PLUS 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 System Power 9 400W CM provides stable and dependable power for CPU and GPU. It is equipped with two independent 12V-rails and supports several graphics cards with two PCI express connectors for multi-GPU systems.       Innovative DC-to-DC Conversion ; 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.       Semi-Modular Cable Management ; System Power 9 400W CM comes with full high-quality black sleeved cables that add a touch of class to any PC system. Thanks to the semi-modular cable management cables that serve no purpose in the system are left out.       Comprehensive Protection 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.