Be Quiet! 500W System Power 9 PSU, 80+ Bronze, Dual 12V, Cont. Power


  • Form Factor: ATX
  • Modular: Fully Wired
  • Series: Be Quiet! System Power 9
  • Compatability: ATX 12V v2.4
  • Wattage: 500 W
  • Connectors: 1 x ATX-Motherboard (20+4-pin)
    1 x P4+4 (CPU)
    2 x PCI-E 6+2-pin (GPU)
    2 x PATA 4-pin
    6 x SATA 15-pin (HDD, Drives)
  • Rail Design: Dual +12V
  • AC Input: AC200-240
  • PFC: Active PFC
  • Fan Type: High-quality 120mm fan
    Sleeve Bearing
  • Fan Bearing: Sleeve Bearing
  • Noise: dB(A) at 20% load 11.1
    dB(A) at 50% load 13.6
    dB(A) at 100% load 28.2
  • 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: 1.92 kg
    (L x W x D): 140 x 150 x 86 mm
  • Package Weight: 2.3500 kg
  • Warranty: 3 Years
  • Availability: 160 in stock

    Proven Reliability and Good Efficiency

    be quiet! System Power 9 500W 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 two 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


    Very Quiet Operation 
    Attained by using a high-quality fan
    System Power 9 500W 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
    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 500W 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
    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 500W 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.


    Weight 2.3500 kg

    Form Factor

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