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

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.

Features

• 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

Wattage
300W

Connectivity:
Non-Modular

80 Plus Rating
80 Plus Gold

Fan Size
80mm

Warranty
3 Year Warranty

Input Current
4/2

MTBF (Mean Time Between Failure)
100,000

PFC (Power Factor Correction/Controller)
Active PFC

Cables and connectors

Sleeved cables
P24

Flat cables
P4, PCIe, drives

Maximum cable length (cm)
60

Cable length to motherboard (cm)
35

No. of cables
5

ATX-Motherboard (20+4-pin)
1

P4 (CPU)
1

PCI-e 6+2-pin (GPU)
2

SATA
3

PATA
2

FDD (Floppy)
1

Dimensions without cable (L x W x H) (mm)
175 x 85 x 65

Weight (kg)
1.1

Color
Black

Fast UK Shipping

We offer quick order processing within 1–2 working days across the UK. Order before 3:00 PM GMT/BST on weekdays for same-day processing.

Once the order is processed, the following options indicate respective delivery times.

Delivery Options:

• Basic: Free | 2–5 business days
• Standard: Free over £100 / £4.99 under £100 | 2–3 business days
• Express: £4.99 | 1–2 business days
• Premium Next-Day: £7.99 | Next business day.

Note: Delivery times are estimated and may vary due to courier delays or weather.

Hassle-Free Returns

Changed your mind? You can return unused items in original packaging within 14 days of delivery.

To request a return, email contact@lazymart.co.uk. We’ll provide instructions on how to proceed with a return. Refunds are processed within 5 business days after inspection.

Damaged or Incorrect Orders

If your item arrives damaged or incorrect, contact us within 24 hours with photos for a quick resolution.

Shipping & Returns Policies

For more details, view our Shipping Policy and Return Policy.

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