Be Quiet! System Power 11 650W Power Supply

The Be Quiet! System Power 11 650W delivers proven reliability and quiet operation for value-oriented PC builders. This ATX 3.1-compliant power supply combines 80+ Bronze efficiency with temperature-controlled cooling, making it an ideal choice for modern gaming and workstation builds.

ATX 3.1 and PCIe 5.1 Compatibility

Built to ATX 3.1 specifications, this PSU features native 12V-2x6 connector support for next-generation PCIe 5.1 graphics cards. The unit includes one PCIe 5.1 12V-2x6 450W connector and two PCIe 6+2-pin connectors, ensuring compatibility with both current and future GPU generations. Power excursion handling up to double the rated capacity provides stability during demanding workloads.

Temperature-Controlled 120mm Fan

The integrated 120mm rifle bearing fan operates with temperature-based speed control, maintaining noise levels as low as 10.9 dB(A) at 10-20% load and 11.8 dB(A) at 50% load. This intelligent cooling system ensures quiet operation during typical use while providing adequate airflow under heavy loads.

80+ Bronze Certified Efficiency

With 80+ Bronze certification and up to 89.7% efficiency at 50% load, the System Power 11 650W reduces energy waste and heat generation. Efficiency ratings include 88.6% at 20% load and 86.7% at full load, with standby power consumption under 0.15 watts.

Single Strong 12V Rail Design

The single 12V rail architecture with DC-to-DC voltage regulation provides stable power delivery for demanding CPUs and graphics cards. Comprehensive protection circuitry includes OTP, OCP, OPP, SCP, OVP, UVP, and surge protection, safeguarding your components against electrical faults.

Comprehensive Connectivity

Connector configuration includes: 1x ATX 20+4-pin motherboard, 1x P4+4 CPU, 1x P4 CPU, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, and 1x PATA. The fully wired design provides straightforward installation for standard PC builds.

Technical Specifications

• Form Factor: ATX
• Series: Be Quiet! System Power 11
• Wattage: 650 W
• Modular: Fully Wired
• Compatibility: ATX 3.1, PCIe 5.1, EPS 12V v2.92
• Connectors: 1x ATX 20+4-pin, 1x P4+4 CPU, 1x P4 CPU, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x PATA
• Rail Design: Single Strong 12V-rail
• AC Input: 200-240 Vac
• Fan Type: Temperature-controlled 120mm Quality Fan
• Fan Bearing: Rifle Bearing
• Noise: 10% load: 10.9 dB(A), 20% load: 10.9 dB(A), 50% load: 11.8 dB(A), 100% load: 30.9 dB(A)
• Max Certification: Bronze
• Efficiency: 80+ Bronze - 230V, 10% load: 84.4%, 20% load: 88.6%, 50% load: 89.7%, 100% load: 86.7%
• MTBF: 100,000 hours
• Protection: OTP, OCP, OPP, SCP, OVP, UVP, SIP
• Package Contents: Power Supply, Screws, Cable Ties, User Manual
• Weight/Dimensions: 1.97 kg, (LxWxH) 86 x 150 x 140 mm
• Package Weight: 2.4000 kg
• Warranty: 5 Years

Backed by a 5-year warranty and 100,000-hour MTBF rating, the Be Quiet! System Power 11 650W provides reliable, efficient power delivery for modern PC systems.