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

Compact and Silent Energy

The SFX Power 3 300W is the perfect compact PSU for mini and media PCs. With 80 PLUS® Bronze certification and PCIe graphics card support, it offers an ideal combination of power, quietness, and reliability.

Key Features

• 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 (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 stable PCIe graphics support
The PCIe connector provides power for demanding graphics cards. Safety protections, including defenses against overcurrents, over- and undervoltages, short circuits, and overloads, ensure your valuable components remain safe.

300 Watts Continuous Power Output

Ensures steady and reliable operation
The SFX Power 3 delivers 300W of continuous power, ensuring reliable performance even under unexpectedly heavy loads.

Quiet and Efficient Operation

For mini or media PCs
The high-quality, temperature-controlled 80mm fan ensures quiet operation with a maximum noise level of 29.4dB(A). Its 80 PLUS® Bronze certification guarantees an efficiency rating of up to 89.2%, making it a power-saving choice.

Technical Specifications

• Form Factor: SFX
• Series: Be Quiet! SFX Power 3
• Wattage: 300W
• Modular Design: Fully Wired
• Compatibility: SFX12V V3.42 & EPS 12V 2.92
• Rail Design: Single 12V rail
• AC Input: AC 100-240 V
• PFC: Active PFC

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)

Fan Details

• Type: High-quality temperature-controlled 80mm fan
• Bearing: Rifle Bearing
• Noise Levels:
  • At 20% load: 14.4 dB(A)
  • At 50% load: 14.4 dB(A)
  • At 100% load: 29.4 dB(A)

Efficiency

• 80+ Certification: 80+ Bronze
• Efficiency Ratings:
  • 230V, 20% load: 84.4%
  • 230V, 50% load: 89.2%
  • 230V, 100% load: 88.1%

Additional Information

• MTBF (Mean Time Between Failures): 100,000 hours
• Protection Features:
  • Over current
  • Over voltage
  • Under voltage
  • Short circuit
  • Over power

Package Contents

• PSU
• Screws
• Cable ties
• Manual

Weight and Dimensions

• Product Weight: 0.84 kg
• Dimensions: 100 x 125 x 64 mm (L x W x D)
• Package Weight: 1.19 kg

This compact and efficient power supply is the ultimate choice for those seeking reliable and quiet operation in a small form factor.