Tired of a noisy PSU that drowns out your focus? The 450W Power Supply delivers stable, efficient power while keeping fan noise to a whisper, so you can work or game without distraction. It fits standard ATX cases and protects every component, giving you reliable performance without the constant hum.
Usages of a 450W Power Supply
A quiet, reliable unit for everyday builds:
- Powering entry-level gaming rigs that need steady 450W.
- Supplying home office PCs where silence matters.
- Running modest workstations with multiple drives.
- Supporting small media servers that operate 24/7.
- Equipping budget-friendly custom builds that still demand protection.
Why Choose a be quiet! Power Supply
If you’re assembling a budget or mid-range PC, you’ve likely struggled with cheap supplies that overheat or generate annoying noise. You need a unit that balances cost, efficiency and quiet operation. This Power Supply fits those needs, offering 80 PLUS Bronze certification, ATX 3.1 compatibility and comprehensive protection, making it a sensible choice for anyone who wants dependable power without the hassle.
Key Features of a 450W Power Supply
- Wattage: 450W continuous output. Provides enough power for typical entry-level builds.
- Efficiency: 89% (80 PLUS Bronze). Saves electricity and reduces heat.
- Fan noise: 19.1 dB. Keeps the system quiet during operation.
- Fan type: Rifle bearing fan. Offers long life and stable performance.
- Cabling: Non-modular. Simplifies installation with fixed cables.
- PCIe connectors: 2 × 6+2 mm. Supports modern graphics cards.
- SATA connectors: 5. Allows multiple drives to be powered.
- MTBF: 100 000 h. Ensures long-term reliability.
- Power factor: 0.98. Improves overall power quality.
- Dimensions: 140 mm × 86 mm × 150 mm. Fits standard ATX cases easily.
Benefits of be quiet! Power Supply
You enjoy a quieter workspace, saving focus and reducing stress. The efficient 89% rating cuts electricity bills and keeps the system cooler, lowering cooling costs. Comprehensive protection guards your components from spikes, extending their lifespan. With a single-rail design, cable management is simpler, saving you time during build. Overall, you get reliable power without compromising on silence or budget.
Specifications
| Power |
| Power protection features |
Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage |
| Efficiency |
89% |
| Hold time |
16.86 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V1) |
37.5 A |
| Max output current (+3.3V) |
20 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (-12V) |
3.6 W |
| Combined power (+5V) |
110 W |
| Combined power (+12V) |
450 W |
| Combined power (+3.3V) |
110 W |
| Number of +12V rail(s) |
1 |
| Power factor |
0.98 |
| Input current |
4 A |
| AC input frequency |
50 Hz |
| AC input voltage |
200 - 240 V |
| Total power |
450 W |
| Ports & interfaces |
| Cabling type |
Non-Modular |
| CPU power connector (4+4 pin) |
Yes |
| PCI Express power connectors (6+2 pin) |
2 |
| Peripheral (Molex) power connectors (4-pin) |
1 |
| Number of SATA power connectors |
5 |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
Rifle |
| Noise level |
19.1 dB |
| EPS version |
2.92 |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Bronze |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Fan speed |
0 - 1800 RPM |
| Number of fans |
1 fan(s) |
| Fan diameter |
12 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Certificates |
| Compliance certificates |
CB, CE, RoHS, TÜV mark, UKCA, WEEE |
| Waste Electrical and Electronic Equipment (WEEE) compliance |
Yes |
| Weight & dimensions |
| Weight |
1.7 kg |
| Height |
140 mm |
| Depth |
86 mm |
| Width |
150 mm |
| Packaging data |
| Package type |
Box |
| Package weight |
2.1 kg |
| Package height |
97 mm |
| Package depth |
268 mm |
| Package width |
195 mm |
| Technical details |
| Sustainability certificates |
ENERGY STAR, ErP |
| Other features |
| Cable ties included |
Yes |
| Screws included |
Yes |
