be quiet! TFX POWER 3 300W Gold power supply unit 20+4 pin ATX Black
£69.99
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Overview
- 80 PLUS® Gold efficiency (up to 91.7%) for lower power consumption
- Strong dual 12V-rails for high stability and PCIe graphics card support
- 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
- Modern safety protections reliably defend against numerous failures
- Standby draw less than 0.17 watts
- Product conception, design and quality control in Germany
TFX Power 3 300W Gold, the advanced, high-efficiency 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.
Specifications
Power
| Power protection features | Over current, Over power, Over voltage, Short circuit, Under voltage |
|---|---|
| Hold time | 29 ms |
| Efficiency | 90.6% |
| Max output current (+5Vsb) | 3 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5V) | 18 A |
| Max output current (+12V2) | 13 A |
| Max output current (+12V1) | 13 A |
| Max output current (+3.3V) | 18 A |
| Combined power (+5V) | 103 W |
| Combined power (+12V) | 288 W |
| Combined power (+3.3V) | 103 W |
| Power Factor Correction (PFC) type | Active |
| Power factor | 0.98 |
| Maximum input current (@220V) | 2 A |
| Maximum input current (@110V) | 4 A |
| Input current | 4/2 A |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Peak power | 350 W |
| Total power | 300 W |
Ports & interfaces
| Cabling type | Non-Modular |
|---|---|
| Floppy drive power connector | 1 |
| Floppy disk drive cable length | 60 cm |
| CPU power cable length | 35 cm |
| CPU P4 connector (4-pin) | 1 |
| PCI Express power cable length | 40 cm |
| PCI Express power connectors (6+2 pin) | 1 |
| Peripheral (Molex) power cable length | 300,450 mm |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| SATA power cable length | 300,450,600 mm |
| Number of SATA power connectors | 3 |
| Motherboard power cable length | 35 cm |
| Motherboard power connector | 20+4 pin ATX |
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Performance
| Mean time between failures (MTBF) | 100000 h |
|---|---|
| Noise level | 21.7 dB |
| EPS version | 2.92 |
| ATX version | 2.52 |
| 80 PLUS certification | 80 PLUS Gold |
| Power supply unit (PSU) form factor | TFX |
| Purpose | PC |
Design
| Number of fans | 1 fan(s) |
|---|---|
| Fan diameter | 8 cm |
| Cooling type | Active |
| Product colour | Black |
Safety regulation & standards
| Safety | CE, CB, TÜV, CU |
|---|
Certificates
| Compliance certificates | RoHS, WEEE |
|---|
Weight & dimensions
| Weight | 1.1 kg |
|---|---|
| Height | 65 mm |
| Depth | 175 mm |
| Width | 85 mm |
Technical details
| Sustainability compliance | Yes |
|---|---|
| Sustainability certificates | ENERGY STAR, ErP |
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
