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

Sale price £ 41.51
In stock (113 units), ready to be shipped


TFX Power 3 300W Bronze_ the upgraded be quiet! PSU for mini and media PCs with 80 PLUS® Bronze certification and PCIe graphics card support.

  • Certified 80 PLUS® Bronze efficiency (up to 88.3%)
  • Strong 12V-rail and PCIe graphics support
  • 300W of continuous power
  • One PCI express connector for GPU card support
  • High-quality temperature-controlled 80mm fan for low-noise operation of max. 29.1dB(A)
  • Sleeved or flat black cables up to 60cm long
  • Meets the latest safety and efficiency requirements
  • Standby draw less than 0.14 watts
  • Three-year manufacturer’s warranty
  • Product conception, design and quality control in Germany

80 PLUS® Bronze Certification

Efficient operation

The 80 PLUS Bronze certification of TFX Power 3 300W Bronze with an efficiency rating of up to 88.3% is convincing evidence of this PSU’s power saving operation.

Strong Single 12V Rail

For maximum power

The 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 Bronze 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 Bronze meets the latest safety requirements, it defends the PC system against overcurrents, over- and undervoltage, short circuit, overloads and comparable failures.


Package Contents
80+ Bronze
230V, 20% load_ 84% 230V, 50% load_ 88.3% 230V, 100% load_ 86.4%
100,000 hours
Over current Over voltage Under voltage Short circuit Over Temperature Over Power
Additional Features
See Overview
PSU Screws Cable ties User manual
dB(A) at 20% load_ 114.6 dB(A) at 50% load_ 15.4 dB(A) at 100% load_ 29.1
0.9 kg Without cable (LxWxD): 175 x 85 x 65 mm
Package Weight
1.2400 kg
3 Years

80+ Certification
Form Factor
300 W
Be Quiet! TFX Power 3
Fully Wired
TFX12V v2.52 & EPS 12V v2.92
#Hide#Wattage Range
300 - 400W
Rifle Bearing
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
Active PFC
Fan Type
High-quality temperature-controlled 80mm fan
Fan Bearing

Estimate shipping

Payment & Security

American Express Apple Pay Diners Club Discover Mastercard PayPal Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Recently viewed