% £-65.95
Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Gold, 2 PCIe, Continuous Power
Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Gold, 2 PCIe, Continuous Power
Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Gold, 2 PCIe, Continuous Power
Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Gold, 2 PCIe, Continuous Power
BEQUIET

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

Product SKU: PSU-300BQTFX3-GOLD
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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.
 

 

Description

Specification

  • Form Factor: TFX
  • Series: Be Quiet! TFX Power 3
  • Wattage: 300 W
  • Modular: Fully Wired
  • Compatibility: TFX12V v2.52 & EPS 12V v2.92
  • #Hide#Wattage Range: 300 - 400W
  • Connectors: 1 x ATX-Motherboard (20+4-pin)
    1 x P4 (CPU)
    2 x PCI-e 6+2-pin (GPU)
    3 x SATA
    2 x PATA
    1 x FDD (Floppy)
  • Rail Design: Dual12V rails
  • 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: 9.7
    dB(A) at 50% load: 12.4
    dB(A) at 100% load: 21.7
  • Max Certification: Gold
  • Efficiency: "80+ Gold
    230V, 20% load: 88.9%
    230V, 50% load: 91.7%
    230V, 100% load: 90.6%"
  • MTBF: "100,000 hours"
  • Protection: Over current
    Over voltage
    Under voltage
    Short circuit
    Over Temperature
    Over Power
  • Additional Features: See Overview
  • Package Contents: PSU
    Screws
    Cable ties
    User manual
  • Weight/Dimensions: 1.1 kg
    Without cable (LxWxD): 175 x 85 x 65 mm
  • Package Weight: 1.4300 kg
  • Warranty: 3 Years

Delivery & Shipping Policy

Last updated: 19/09/2025

At Tech Direct UK, we aim to get your order to you as quickly and efficiently as possible. Please see below for our delivery terms.

1. Delivery Options & Costs

  • Free Delivery – Orders over £50 qualify for free UK standard delivery.

  • Standard Delivery – Orders under £50 are charged at £4.99.

2. Delivery Times

  • Next Day Delivery – The majority of items are shipped via next day courier if ordered before 2:00pm (Monday–Friday).

  • Orders placed after 2:00pm, on weekends, or bank holidays will be processed the next working day.

  • Larger or Heavy Items – Certain products (e.g., heavy furniture, oversized goods) may take 2–5 working days for delivery. Estimated times will be displayed at checkout.

3. Delivery Areas

  • We deliver to all mainland UK addresses.

  • Deliveries to remote areas (e.g., Highlands, Islands, Northern Ireland) may take longer or incur additional charges — these will be shown at checkout before confirming your order.

4. Tracking Your Order

  • Once dispatched, you will receive an email confirmation with tracking details (where available).

  • You can track your delivery via the courier’s website.

5. Missed Deliveries

  • If you are not available at the time of delivery, the courier will leave a card or attempt redelivery.

  • Repeated failed delivery attempts may result in the parcel being returned to us. In this case, re-delivery charges may apply.

6. Risk of Loss

  • Risk of loss or damage to the goods passes to you once they are delivered.

  • Please inspect your order upon receipt and notify us of any issues within 48 hours.

7. Contact Us

If you have any questions about delivery, please contact us:
📧 Email: support@techdirectuk.com

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