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SKU: BN323

be quiet! 300W TFX Power 3, 80 PLUS Gold Wired PSU, Dual Rail, 26A +12V, Black, TFX PSU


  • Wattage: 300w
  • Size/Version: TFX
  • Modular: No
  • SATA Connections: 3
  • Certification: Gold
SKU BN323 Category

8 in stock


Compact and Silent Energy
TFX Power 3 300W Gold, the advanced be quiet! compact PSU gives you more for your mini or media PC. It supports the latest standards while providing solid voltages and enough power to support a PCIe graphics card. The combination of quiet operation and reliability make the TFX Power 3 300W Gold the perfect choice for PCs with TFX form factor.

Very High Operating Efficiency
TFX Power 3 300W Gold is certified 80 PLUS Gold with an efficiency rating of up to 91.7%. With this outstanding energy efficiency, the TFX Power 3 300W Gold ensures low power consumption and by that lower costs alike.

For a Stable Operation
The dual 12V rail design supports high stability as the CPU receives its power through an independent rail. For demanding peripherals like a graphics card, a PCIe connector is included. This makes the TFX Power 3 300W Gold the ideal PSU for all who strive for enough power to support small systems at low noise.

Optimized for Low-Noise Operation
The temperature-controlled fan ensures a quiet operation and produces little wasted heat. Since TFX Power 3 300W Gold meets the latest safety requirements, it defends the PC system against overcurrents, over- and undervoltage, short circuit, overloads and comparable failures.


• Certified 80 PLUS® Gold efficiency (up to 91.7%)
• Strong dual 12V-rails for high stability and PCIe graphics card support
• Two 6+2pin PCIe connectors for powerful GPUs
• 300W of continuous power
• High-quality temperature-controlled 80mm fan for low-noise operation of max. 21.7dB(A)
• Sleeved or flat black cables up to 60cm long
• Meets the latest safety and efficiency requirements
• Standby draw less than 0.17 watts
• Three-year manufacturer’s warranty
• Product conception, design and quality control in Germany

Cables and connectors

Sleeved cables

Flat cables
P4, PCIe, drives

Maximum cable length (cm)

Cable length to motherboard (cm)

No. of cables

ATX-Motherboard (20+4-pin)

P4 (CPU)

PCI-e 6+2-pin (GPU)



FDD (Floppy)

Additional information

Weight 1.2 kg


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