be quiet! TFX Power 3 300W Gold – Compact and Silent Power Supply
The be quiet! TFX Power 3 300W Gold is a compact, high-efficiency power supply unit designed for mini or media PCs with a TFX form factor. It supports the latest standards, delivers solid voltages, and provides enough power for a PCIe graphics card, making it an excellent choice for small systems that demand quiet and reliable performance.
Key Features
- 80 PLUS® Gold certified efficiency – Up to 91.7% for reduced power consumption and lower operating costs
- Strong dual 12V rails – High stability with the CPU powered via an independent rail
- PCIe graphics card support – Includes two 6+2-pin PCIe connectors for powerful GPUs
- 300W continuous power – Reliable power output for compact PC builds
- Low-noise operation – High-quality, temperature-controlled 80mm fan with a maximum of 21.7 dB(A)
- Optimized cabling – Sleeved and flat black cables up to 60 cm long for clean, flexible routing
- Modern safety standards – Protection against overcurrent, overvoltage, undervoltage, short circuit, overload, and similar faults
- Energy-saving standby – Standby power draw less than 0.17 watts
- 3-year manufacturer’s warranty
- German-engineered quality – Product conception, design, and quality control in Germany
The combination of quiet cooling, stable power delivery, and efficiency makes the TFX Power 3 300W Gold ideal for users who want a dependable, low-noise PSU in a compact system.
Technical Specifications
| Specification | Details |
|---|---|
| Model | TFX Power 3 300W Gold |
| Form Factor | TFX |
| Wattage | 300W (continuous) |
| Efficiency Certification | 80 PLUS Gold (up to 91.7%) |
| Connectivity | Non-modular |
| Fan Size | 80mm |
| Maximum Fan Noise | 21.7 dB(A) |
| Cable Type (Main) | Sleeved cables (P24) |
| Cable Type (Others) | Flat cables (P4, PCIe, drives) |
| Maximum Cable Length | 60 cm |
| Cable Length to Motherboard | 35 cm |
| Number of Cables | 5 |
| ATX-Motherboard (20+4-pin) | 1 |
| CPU (P4) | 1 |
| PCIe 6+2-pin (GPU) | 2 |
| SATA Connectors | 3 |
| PATA Connectors | 2 |
| FDD (Floppy) Connector | 1 |
| PFC (Power Factor Correction/Controller) | Active PFC |
| Input Current | 4/2 |
| MTBF (Mean Time Between Failure) | 100,000 |
| Standby Power Draw | < 0.17 watts |
| Dimensions (L x W x H, without cable) | 175 x 85 x 65 mm |
| Weight | 1.1 kg |
| Color | Black |
| Warranty | 3 Year Warranty |
The be quiet! TFX Power 3 300W Gold delivers efficient, stable, and quiet power in a compact package, perfectly suited for TFX-based mini and media PCs.
