COMPACT AND SILENT ENERGY
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
- Product conception, design and quality control in Germany
| Model | TFX Power 3 300W Bronze |
| Continuous power (W) | 300 |
| Peak power (W) | 350 |
| Form factor | TFX12V Version 2.52 |
| Form factor EPS 12V | Version 2.92 |
| Modular cable management | – |
| Topology | – |
| Wire-free design (DC-side) | – |
| Voltage (Vac) | 100 – 240 |
| Frequency (Hz) | 50 – 60 |
| Input current (A) | 4 / 1.5 |
| PFC | active |
| Power factor at 100% load | >0.96 |
| Compliant to Intel C6/C7 | ✓ |
| Power consumption in standby (W) | <0.14 |
| Average life time (h / 25°C) | 100,000 |
| Operating temperature up to (°C) | 40 |
| 12V rails (multi-rail operation) | – |
| 12V single rail operation | ✓ |
| Overclocking key | – |
| +3.3V (A) | 16 |
| +5V (A) | 16 |
| +12V1 (A) | 25 |
| +12V2 (A) | – |
| +12V3 (A) | – |
| +12V4 (A) | – |
| +12V5 (A) | – |
| +12V6 (A) | – |
| -12V (A) | 0.3 |
| +5Vsb (A) | 2.5 |
| Max. combined power 12V (W) | 300 |
| Max. combined power 3.3V + 5V (W) | 85 |
| Hold-up time at 100% load (ms) | 22 (@80%) |
| Power good signal | 100 – 150ms |
| Fan type | High quality fan |
| +SilentWings | – |
| Motor technology | 4-pole fan motor |
| Bearing technology | Rifle |
| Fan size (mm) | 80 |
| Max. fan speed (rpm), temperature-dependent | 1859 |
| Temperature control for case fans | – |
| dB(A) at 20% load | 14.6 |
| dB(A) at 50% load | 15.4 |
| dB(A) at 100% load | 29.1 |
| OCP (over current protection) | ✓ |
| OVP (over voltage protection) | ✓ |
| UVP (under voltage protection) | ✓ |
| SCP (short circuit protection) | ✓ |
| OTP (over temperature protection) | – |
| OPP (over power protection) | ✓ |
| SIP (Surge & Inrush Protection) | ✓ |
| CE | ✓ |
| CB | ✓ |
| TÜV | ✓ |
| FCC | – |
| cRUus | – |
| cTUVus | – |
| RCM (Australia) | – |
| BSMI | – |
| CU (Russia) | ✓ |
| CCC | – |
| 80 PLUS certification | Bronze |
| Efficiency (%) at 230V, 20% load | 84 |
| Efficiency (%) at 230V, 50% load | 88.3 |
| Efficiency (%) at 230V, 100% load | 86.4 |
| ENERGY STAR | 8.0 |
| ErP | ✓ |
| WEEE | ✓ |
| RoHS | ✓ |
| Nvidia® SLI (RTX 3090) ready | – |
| Cable management | Fixed |
| Sleeved cables | Sleeved cables |
| Flat cables | P8 / PCIe / drives |
| Cable length to mainboard (cm) | 35 |
| Cable length to first connector (cm) | 30 |
| Maximum cable length (cm) | 60 |
| All-in-one cable (SATA/PATA/FDD) | – |
| No. of cables | 5 |
| ATX-Motherboard (20+4-pin) | 1 |
| P8 (CPU) | – |
| P4+4 (CPU) | – |
| P4 (CPU) | 1 |
| PCI-E 6-pin (GPU) | – |
| PCI-E 6+2-pin (GPU) | 1 |
| PATA | 2 |
| SATA | 3 |
| FDD (Floppy) | 1 |
| External fan connectors | – |
| Dimensions without cable (L x W x D), (mm) | 175 x 85 x 65 |
| Weight (kg) | 0.9 |
| Color | Black |
| Thumb screws | – |
| Screws | ✓ |
| Cable ties | ✓ |
| Velcro cable ties | – |
| Box/Bag for PSU/Cables | – |
| User manual languages | DE, EN, ES, FR, PL, RU |
| OCK slot bracket with switch / OCK jumper | – |
| SFX-to-ATX adapter bracket | – |
| |
| Express replacement service in first year | – |
| International hotline / free of charge | ✓ / DE, FR |
| Article number | BN322 |
| EAN code | 4260052188286 |
| Dimensions, package (L x W x H), (mm) | 80 x 159 x 215 |
| Gross weight, package (kg) | 1.24 |
| Pieces per packaging unit | 6 |
| Dimensions, shipping box (L x W x H), (mm) | 474 x 275 x 195 |
| Gross weight, shipping box (kg) | 8.25 |
| RRP (€) | 57.90 |
For more information refer to bequiet.com
