Be Quiet! 300W SFX Power 3 PSU, Small Form Factor, Rifle Bearing Fan, 80+ Bronze, Continuous Power

  • Form Factor: SFX
  • Series: Be Quiet! SFX Power 3
  • Modular: Fully Wired
  • Compatability: SFX12V V3.42 & EPS 12V 2.92
  • Wattage Range: 300 – 400W
  • Wattage: 300 W
  • Connectors: 1 x ATX-Motherboard (20+4-pin)
    1 x P4 (CPU)
    1 x PCI-e 6+2-pin (GPU)
    2 x PATA
    3 x SATA
    1 x FDD (Floppy)
  • Rail Design: Single 12V rail
  • AC Input: AC 100-240 V
  • PFC: Active PFC
  • Fan Type: High-quality temperature-controlled 80mm fan
  • Fan Bearing: Rifle Bearing
  • Noise: dB(A) at 20% load: 14.4
    dB(A) at 50% load: 14.4
    dB(A) at 100% load: 29.4
  • 80+ Certification: 80+ Bronze
  • Efficiency: 230V, 20% load: 84.4%
    230V, 50% load: 89.2%
    230V, 100% load: 88.1%
  • MTBF: 100,000 hours
  • Protection: Over current
    Over voltage
    Under voltage
    Short circuit
    Over power
  • Features: See Overview
  • Package Contents: PSU
    Cable ties
  • Weight/Dimensions: 0.84 kg
    (L x W x D) 100 x 125 x 64 mm
  • Package Weight: 1.1900 kg
  • Warranty: 3 Years
  • Compact and Silent Energy

    SFX Power 3 300W, the first choice compact PSU for mini and media PCs with 80 PLUS® Bronze and PCIe graphics card support. SFX Power 3 300W offers the ideal combination of power, quietness and reliability.
    • Strong 12V rail with 300W of continuous power
    • 6+2 pin PCIe connector for GPU support
    • High-quality temperature-controlled 80mm fan for quiet operation of max. 29.4dB(A)
    • Sleeved or flat black cables up to 60cm
    • 80 PLUS® Bronze efficiency (up to 89.2%)
    • Meets the latest safety and efficiency requirements
    • Three-year manufacturer’s warranty
    • Product conception, design and quality control in Germany

    Strong 12V Rail
    For a stable PCIe graphics support
    A PCIe connector provides power for a demanding graphics card. Safety protections defend against overcurrents, over- and undervoltages, short circuits and overloads, thus keeping your valuable components safe.
    300 Watts Continuous Power Output
    Ensures a steady and reliable operation
    SFX Power 3 can deliver 300W of continuous power. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load.


    Quiet and Efficient Operation
    For mini or media PCs
    The high-quality temperature-controlled 80mm fan allows quiet operations of max. 29.4dB(A). The 80 PLUS Bronze certification with an efficiency rating of up to 89.2% is convincing evidence of this PSU’s power saving operation.


    Weight 1.1900 kg

    Form Factor

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