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<sup>®</sup> 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
