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.
| Power | |
| Total power: | 300 W |
| AC input voltage: | 100 - 240 V |
| Peak power: | 350 W |
| AC input frequency: | 50 - 60 Hz |
| Input current: | 4/2 A |
| Maximum input current (@110V): | 4 A |
| Maximum input current (@220V): | 2 A |
| Power factor: | 0.98 |
| Power Factor Correction (PFC) type: | Active |
| Combined power (+3.3V): | 103 W |
| Combined power (+12V): | 288 W |
| Combined power (+5V): | 103 W |
| Max output current (+3.3V): | 18 A |
| Max output current (+12V1): | 13 A |
| Max output current (+12V2): | 13 A |
| Max output current (+5V): | 18 A |
| Max output current (-12V): | 0.3 A |
| Max output current (+5Vsb): | 3 A |
| Hold time: | 29 ms |
| Efficiency: | 90.6% |
| Power protection features: | Over current, Over power, Over voltage, Short circuit, Under voltage |
| Ports & interfaces | |
| Motherboard power connector: | 20+4 pin ATX |
| Peripheral (Molex) power connectors (4-pin): | 2 |
| Motherboard power cable length: | 35 cm |
| Number of SATA power connectors: | 3 |
| SATA power cable length: | 300,450,600 mm |
| Peripheral (Molex) power cable length: | 300,450 mm |
| PCI Express power connectors (6+2 pin): | 1 |
| PCI Express power cable length: | 40 cm |
| CPU P4 connector (4-pin): | 1 |
| CPU power cable length: | 35 cm |
| Floppy drive power connector: | 1 |
| Floppy disk drive cable length: | 60 cm |
| Cabling type: | Non-Modular |
| Performance | |
| Purpose: | PC |
| Power supply unit (PSU) form factor: | TFX |
| 80 PLUS certification: | 80 PLUS Gold |
| ATX version: | 2.52 |
| EPS version: | 2.92 |
| Noise level: | 21.7 dB |
| Mean time between failures (MTBF): | 100000 h |
| Safety: | CE, CB, TÜV, CU |
| Design | |
| Product colour: | Black |
| Cooling type: | Active |
| Fan diameter: | 8 cm |
| Number of fans: | 1 fan(s) |
| Weight & dimensions | |
| Width: | 85 mm |
| Depth: | 175 mm |
| Height: | 65 mm |
| Weight: | 1.1 kg |
| Packaging data | |
| Package width: | 159 mm |
| Package depth: | 80 mm |
| Package height: | 215 mm |
| Package weight: | 1.43 kg |
| Package type: | Box |
| Technical details | |
| Sustainability compliance: | ![]() |
| Sustainability certificates: | ENERGY STAR, ErP, RoHS, WEEE |
| Logistics data | |
| Shipping (inner) case length: | 47.4 cm |
| Shipping (inner) case width: | 27.5 cm |
| Shipping (inner) case height: | 19.5 cm |
| Products per shipping (inner) case: | 6 pc(s) |
| Shipping (inner) case gross weight: | 9.39 kg |
| Harmonized System (HS) code: | 84733020 |