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- Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Bronze, PCIe, Continuous Power Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Bronze, PCIe, Continuous Power
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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
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.
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.
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.
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
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Connectors: 1 x ATX-Motherboard (20+4-pin
1 x P4 (CPU)
1 x PCI-e 6+2-pin (GPU)
3 x SATA
2 x PATA
1 x FDD (Floppy) - Rail Design: Single 12V rail
- AC Input: AC 100-240 V
- PFC: Active PFC
- Fan Type: High-quality temperature-controlled 80mm fan
- Fan Bearing: Rifle Bearing
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Noise: dB(A) at 20% load: 114.6
dB(A) at 50% load: 15.4
dB(A) at 100% load: 29.1 - Max Certification: Bronze
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Efficiency: "80+ Bronze
230V, 20% load: 84%
230V, 50% load: 88.3%
230V, 100% load: 86.4%" - MTBF: "100,000 hours"
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Protection: Over current
Over voltage
Under voltage
Short circuit
Over Temperature
Over Power - Additional Features: See Overview
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Package Contents: PSU
Screws
Cable ties
User manual -
Weight/Dimensions: 0.9 kg
Without cable (LxWxD): 175 x 85 x 65 mm - Package Weight: 1.2400 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
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Free Delivery – Orders over £50 qualify for free UK standard delivery.
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Standard Delivery – Orders under £50 are charged at £4.99.
2. Delivery Times
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Next Day Delivery – The majority of items are shipped via next day courier if ordered before 2:00pm (Monday–Friday).
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Orders placed after 2:00pm, on weekends, or bank holidays will be processed the next working day.
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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
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We deliver to all mainland UK addresses.
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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
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Once dispatched, you will receive an email confirmation with tracking details (where available).
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You can track your delivery via the courier’s website.
5. Missed Deliveries
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If you are not available at the time of delivery, the courier will leave a card or attempt redelivery.
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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
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Risk of loss or damage to the goods passes to you once they are delivered.
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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