Be Quiet! 450W System Power 11 PSU, 80 Bronze, Fully Wired, Temp-Controlled Fan, ATX 3.1, PCIe 5.1

be quiet! System Power 11 450W PSU 80 Bronze Fully Wired ATX Power Supply | PCBoost be quiet! System Power 11 450W PSU 80 Bronze ATX Power Supply Proven reliability and quiet operation for value-oriented users. The be quiet! System Power 11 450W delivers ATX 3.1 compatibility, PCIe 5.1 GPU support, and 80 Bronze efficiency with whisper-quiet operation. Features temperature-controlled 120mm fan and remarkably low standby power consumption. Power Output 450W Continuous power Efficiency 89% 80 Bronze certified Noise Level 19.1 dBA At 100% load Warranty 5 Years Manufacturer guarantee Advanced ATX 3.1 Compatibility Next-Gen GPU Support Full ATX 3.1 compatibility with PCIe 5.1 GPU support for modern graphics cards. Two PCIe 6 2 pin connectors provide flexible power options for various GPU configurations. Strong 12V rail delivers rock-solid stability for demanding graphics cards and components. Ultra-Quiet Operation Temperature-controlled 120mm quality fan reduces system noise significantly. Just 10.5 dBA at 10% load and 19.1 dBA at full load for whisper-quiet computing. Silence-optimized be quiet! fan with rifle bearing technology ensures long-term reliability. High Efficiency Design Achieves 80 Bronze certification with up to 89% efficiency at 50% load. DC-to-DC technology provides tight voltage regulation and improved power delivery. Standby power consumption less than 0.15 watts for energy-efficient operation. Comprehensive Protection Multiple protection features including OTP, OCP, OPP, SCP, OVP, UVP, and SIP. Double forward DC-DC topology ensures stable power delivery under all conditions. Over 100,000 hour average lifetime at 25°C for exceptional reliability. Technical Specifications Feature Specification Continuous Power 450W Form Factor ATX 3.1 Efficiency 80 Bronze (up to 89% at 50% load) Fan 120mm silence-optimized, rifle bearing1800 RPM max, temperature-controlled Noise Levels 10.5 dBA (10% load) to 19.1 dBA (100% load) 12V Rail Single rail, 37.5A, 450W max Connectors 1x ATX 20 4 pin1x P4 4 CPU2x PCIe 6 2 pin5x SATA1x PATA Protection OTP, OCP, OPP, SCP, OVP, UVP, SIP Input Voltage 200-240V AC, 50Hz Standby Power Less than 0.15W Dimensions 150 x 140 x 86mm Weight 1.7kg Certifications 80 Bronze, CE, TÜV, Energy Star 8.0 Warranty 5 Years What's Included be quiet! System Power 11 450W PSU Power cable Mounting screws Cable ties User manual Perfect for Entry-Level Builds Ideal for budget gaming systems, office computers, media centers, and entry-level workstations. The 450W capacity is perfect for systems with mid-range graphics cards and provides reliable, quiet power delivery for everyday computing needs. Complete Your System Build Power Supplies < 600W PSUs Entry Level PSUs Motherboards PC Cases All rights reserved – PCBoost