be quiet! System Power 9 CM BN300 (BN300)

BEQUIET BN300 400W Power Supply Unit The be quiet! System Power 9 400W (BN300) is a reliable and quiet power supply unit perfect for budget-conscious builders seeking dependable performance. This semi-modular PSU delivers stable power for your system components, making it ideal for entry-level gaming PCs, home workstations, or HTPCs. Benefit fro... morem efficient operation, intelligent thermal management, and the renowned be quiet! commitment to low-noise operation. Features 80 PLUS Bronze certified for up to 89% efficiency, reducing energy waste and operating costs. Temperature-controlled 120mm fan for quiet operation, even under load. Two independent 12V rails for stable power delivery to your CPU and GPU. DC-to-DC conversion for tight voltage regulation, ensuring system stability. Semi-modular design with high-quality sleeved and flat cables for improved cable management and aesthetics. Supports multi-GPU configurations with multiple PCIe connectors. Comprehensive protection features (OCP, OVP, OPP, OTP, UVP, and SCP) for secure operation. Meets the latest Intel C6/C7, ErP, and Energy Star 6.1 guidelines. 3-year manufacturer's warranty for peace of mind. Specifications Brand: be quiet! Model: BN300 Power Output: 400W Efficiency Certification: 80 PLUS Bronze Fan: 120mm temperature-controlled Form Factor: ATX Modular Design: Semi-Modular +12V Rails: Dual PCIe Connectors: Multiple (Specific number not provided) Protection Features: OCP, OVP, OPP, OTP, UVP, SCP Standby Power Consumption: Less than 0.15W Warranty: 3 years

Rock-solid stability with two strong 12V-rails. Equipped with DC-to-DC technology for tight voltage regulation. Two PCIe connectors for multi-GPU system configurations. Temperature-controlled 120mm fan reduces system noise. Low stand-by drain of less than 0.15 watts. 80 PLUS® Bronze efficiency of up to 89%. Semi-modular, high-quality sleeved and fl... moreat 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. Supports latest Intel® and AMD™ processors. Product conception, design and quality control in Germany. Proven Reliability and Good Efficiency. Specially designed by be quiet! with the price-conscious PC builder in mind: System Power 9 400W CM offers renowned be quiet! performance and quietness and makes it possible to build cost-effective and reliable systems.. Power. Power protection features. Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage. Hold time. 17 ms. Efficiency. 89%. Max output current (+5Vsb). 3 A. Max output current (-12V). 0.3 A. Max output current (+5V). 15 A. Max output current (+12V2). 18 A. Max output current (+12V1). 22 A. Max output current (+3.3V). 24 A. Combined power (+5Vsb). 15 W. Combined power (-12V). 3.6 W. Combined power (+5V). 103 W. Combined power (+12V). 384 W. Combined power (+3.3V). 103 W. Power Factor Correction (PFC) type. Active. Power factor. 0.95. Input current. 4 A. AC input frequency. 50 Hz. AC input voltage. 200 - 240 V. Total power. 400 W. Ports & interfaces. Cabling type. Semi-Modular. Floppy drive power connector. 1. CPU power cable length. 60 cm. CPU power connector (4+4 pin). Yes. PCI Express power cable length. 50 cm. PCI Express power connectors (6+2 pin). 2. SATA power cable length. 550,670 mm. Number of PATA power connectors. 2. Number of SATA power connectors. 5. Motherboard power cable length. 45 cm. Motherboard power connector. 20+4 pin ATX. Performance. Compatible products. Intel C6/C7. Bearing technology. Sleeve. ATX version. 2.51. 80 PLUS certification. 80 PLUS Bronze. Power supply unit (PSU) form factor. ATX. Purpose. PC. Design. Number of fans. 1 fan(s). Fan diameter. 12 cm. Cooling type. Active. Product colour. Black. Packaging content. Cables included. PCIe, SATA. Certificates. Certification. CE, CB, TÜV, RCM, CU. Compliance certificates. RoHS. Weight & dimensions. Weight. 1.49 kg. Height. 86 mm. Depth. 140 mm. Width. 150 mm. Packaging data. Package type. Box. Package weight. 2.11 kg. Package height. 195 mm. Package depth. 268 mm. Package width. 97 mm. Manual. Yes. Technical details. Sustainability certificates. ENERGY STAR. Logistics data. Products per master (outer) case. 6 pc(s). Master (outer) case gross weight. 13.4 kg. Harmonized System (HS) code. 84733020. Master (outer) case height. 556 mm. Master (outer) case length. 215 mm. Master (outer) case width. 311 mm. Other features. Noise level (full-load mode, 100%). 15 dB. Noise level