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Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Gold, 2 PCIe, Continuous Power

  • £60.29

  • Ex Tax: £50.25

  • Brand: : BEQUIET
  • Product Code:
  • Availability: 5

TFX Power 3 300W Gold: the upgraded be quiet! high-efficiency PSU for mini and media PCs with 80 PLUS® Gold certification and PCIe graphics card support.

  • 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

80 PLUS® Gold Certification

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.

Strong Dual 12V Rail

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

Quiet And Safe

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.


80+ Certification 80+ Gold
AC Input AC 100-240 V
Compatability TFX12V v2.52 & EPS 12V v2.92
Connectors 1 x ATX-Motherboard (20+4-pin) 1 x P4 (CPU) 2 x PCI-e 6+2-pin (GPU) 2 x PATA 3 x SATA 1 x FDD (Floppy)
Efficiency 230V, 20% load: 88.9% 230V, 50% load: 91.7% 230V, 100% load: 90.6%
Fan Bearing Rifle Bearing
Fan Type High-quality temperature-controlled 80mm fan
Features See Overview
Form Factor TFX
Modular Fully Wired
MTBF 100,000 hours
Noise dB(A) at 20% load: 9.7 dB(A) at 50% load: 12.4 dB(A) at 100% load: 21.7
Package Contents PSU Screws Cable ties User manual
Package Weight 1.4300 kg
PFC Active PFC
Protection Over current Over voltage Under voltage Short circuit Over Temperature Over Power
Rail Design Dual12V rails
Series Be Quiet! TFX Power 3
Warranty 3 Years
Wattage 300 W
Weight/Dimensions 1.1 kg Without cable (LxWxD): 175 x 85 x 65 mm

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