Be Quiet! 450W SFX Power 3 PSU, Small Form Factor, Rifle Bearing Fan, 80+ Bronze, Continuous Power



  • Compatibility:
  • Series: Be Quiet! SFX Power 3
  • Wattage: 450 W
  • Form Factor: SFX
  • Modular: Fully Wired
  • Connectors: 1 x ATX-Motherboard (20+4-pin)
    1 x P4+4 (CPU)
    2 x PCI-e 6+2-pin (GPU)
    2 x PATA
    3 x SATA
    1 x FDD (Floppy)
  • SLI/CrossFire Support:
  • Rail Design: Single Rail
  • #Hide#Wattage Range: 450 – 560W
  • 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: 13.2
    dB(A) at 50% load: 13.2
    dB(A) at 100% load: 33.8
  • 80+ Certification: 80+ Bronze
  • Efficiency: 230V, 20% load: 86.9%
    230V, 50% load: 89.3%
    230V, 100% load: 85.9%
  • MTBF: 100,000 hours
  • Protection: Over current
    Over voltage
    Under voltage
    Short circuit
    Over power
  • Package Contents: PSU
    Cable ties
  • Additional Features: See Overview
  • Weight/Dimensions: 0.89 kg
    125 x 64 x 100 mm
  • Package Weight: 1.2400 kg
  • Warranty: 3 Years
SKU: PSU-450BQSFX3 Category:


Compact and Silent Energy

SFX Power 3 450W, the first choice compact PSU for mini and media PCs with 80 PLUS® Bronze and PCIe graphics card support. SFX Power 3 450W offers the ideal combination of power, quietness and reliability.
  • Strong 12V rail with 450W 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.
450 Watts Continuous Power Output
Ensures a steady and reliable operation
SFX Power 3 can deliver 450W 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.



There are no reviews yet.

Be the first to review “Be Quiet! 450W SFX Power 3 PSU, Small Form Factor, Rifle Bearing Fan, 80+ Bronze, Continuous Power”