be quiet! TFX Power 3 300W Gold - 80 PLUS Gold PSU
Compact 300W TFX power supply with 80 PLUS Gold efficiency (up to 91.7%), non-modular cabling, dual 12V rails, 1x PCIe 6+2-pin connector, and temperature-controlled 80mm fan for quiet operation.
Available instantly upon confirmation : 1 piece
For any questions about this item, availability, or delivery times, please contact us at 22 270068
The be quiet! TFX Power 3 300W Gold is an advanced, high-efficiency compact power supply designed for mini and media PC systems. With 80 PLUS Gold certification delivering up to 91.7% efficiency, this PSU ensures low power consumption and reduced operating costs. The unit features dual 12V rails for exceptional stability and includes a PCIe 6+2-pin connector to support dedicated graphics cards, making it ideal for small form factor builds that require reliable power delivery.
Built for silent operation, the TFX Power 3 300W Gold incorporates a temperature-controlled 80mm fan that produces just 21.7 dB of noise while maintaining optimal thermal performance. The non-modular cable design with sleeved and flat black cables (up to 65cm long) provides convenient installation in compact chassis. Comprehensive protection features including overcurrent, overvoltage, undervoltage, short circuit, and overload protection ensure your system remains safe under all operating conditions. With a 100,000-hour MTBF rating and compliance with the latest safety standards (CE, CB, TÜV, CU), this power supply delivers German engineering reliability.
- 300W continuous power with 350W peak capacity
- 80 PLUS Gold efficiency certification (up to 91.7%)
- Dual 12V rails with 26A combined output for stable operation
- 1x PCIe 6+2-pin connector for graphics card support
- 3x SATA and 2x Molex connectors for storage and peripherals
- Temperature-controlled 80mm fan with 21.7 dB noise level
- Non-modular cabling with sleeved and flat cable options
- Comprehensive power protection (OCP, OVP, UVP, SCP, OLP)
- 100,000-hour MTBF for long-term reliability
- Compact TFX form factor (175 × 85 × 65mm) for small chassis compatibility
| Total Power | 300 W |
| Peak Power | 350 W |
| Efficiency Rating | 80 PLUS Gold (up to 91.7%) |
| Form Factor | TFX12V Version 2.52 / EPS 12V Version 2.92 |
| AC Input Voltage | 100 - 240 V |
| AC Input Frequency | 50 - 60 Hz |
| Input Current | 4 A @ 110V / 2 A @ 220V |
| Power Factor | >0.98 at 100% load |
| Power Factor Correction | Active |
| Topology | Active Clamp |
| Standby Power Consumption | <0.17 W |
| Hold-up Time @ 100% Load | 29 ms |
| Hold-up Time @ 80% Load | 35 ms |
| Power Good Signal | 100 - 150 ms |
| +3.3V Combined Power | 103 W |
| +5V Combined Power | 103 W |
| +12V Combined Power | 288 W |
| +3.3V Max Current | 18 A |
| +5V Max Current | 18 A |
| +12V1 Max Current | 13 A |
| +12V2 Max Current | 13 A |
| -12V Max Current | 0.3 A |
| +5Vsb Max Current | 3 A |
| Motherboard Connector | 1x 20+4 pin ATX |
| Motherboard Cable Length | 35 cm |
| CPU Power Connector | 1x 4-pin P4 |
| CPU Cable Length | 35 cm |
| PCIe Power Connectors | 1x 6+2 pin |
| PCIe Cable Length | 40 cm |
| SATA Power Connectors | 3x SATA |
| SATA Cable Lengths | 300 mm, 450 mm, 600 mm |
| Molex (4-pin) Connectors | 2x Molex |
| Molex Cable Lengths | 300 mm, 450 mm |
| Floppy Drive Connector | 1x Floppy |
| Floppy Cable Length | 60 cm |
| Cabling Type | Non-Modular |
| Cable Design | Sleeved and flat black cables |
| Cooling System | Active (temperature-controlled) |
| Fan Size | 80 mm |
| Number of Fans | 1 |
| Noise Level | 21.7 dB |
| Protection Features | Overcurrent (OCP), Overvoltage (OVP), Undervoltage (UVP), Short Circuit (SCP), Overload (OLP) |
| Mean Time Between Failures (MTBF) | 100,000 hours |
| Dimensions (W × D × H) | 175 × 85 × 65 mm |
| Weight | 1.1 kg |
| Color | Black |
| Safety Certifications | CE, CB, TÜV, CU |
| Compliance Standards | RoHS, WEEE, ENERGY STAR, ErP |
| EAN Code | 4260052188293 |
| Model Number | BN323 |
| Intended Use | Mini and media PC systems, compact office systems, low-profile installations |