Tired of a humming power brick that distracts you while you work or game? The be quiet! Power Supply delivers stable 450W power with whisper-low fan noise, keeping your PC quiet and your components safe. Its fully wired design fits any standard ATX case, so you can build or upgrade without worrying about cables or overheating.
Benefits of be quiet! Power Supply
- Quiet operation: 19.1 dB fan noise means you stay focused without background hum.
- Energy savings: Low standby draw reduces your electricity bill.
- Component protection: Comprehensive over-current, over-voltage and surge safeguards keep hardware safe.
- Simple wiring: Single-rail design and non-modular cables speed up build time.
- Long lifespan: 100 000 h MTBF ensures the PSU lasts for years of use.
be quiet! Power Supply Experience
Every day with this unit feels smooth and reliable. The temperature-controlled rifle bearing fan only spins when needed, so you enjoy silent operation during light tasks and confident cooling under load. The 80 PLUS Bronze efficiency translates to less heat and lower power costs, while the ATX 3.1 compatibility guarantees it works with the latest motherboards. You’ll notice a steadier system performance and fewer worries about power spikes.
Usages of a 450W Power Supply
A 450W capacity makes this PSU ideal for entry-level gaming rigs, home office PCs and compact workstations. It supplies enough juice for mid-range graphics cards, multiple drives and typical peripherals, fitting perfectly into standard ATX cases without compromising on stability or noise.
Key Features of a 450W Power Supply
- Continuous output: 450W. Provides reliable power for everyday computing tasks.
- Efficiency: 89 %. Keeps energy use low and reduces heat generation.
- Fan noise: 19.1 dB. Ensures a quiet environment during operation.
- Fan type: Rifle bearing. Offers durable, low-noise cooling over the unit’s life.
- Connectors: 2 × 6+2 mm PCIe, 5 × SATA, 1 × Molex, 20+4 pin ATX. Supports a wide range of components.
- MTBF: 100 000 h. Guarantees long-term reliability for peace of mind.
- Dimensions: 140 mm × 86 mm × 150 mm. Fits standard ATX cases easily.
- Weight: 1.7 kg. Light enough for easy handling yet solidly built.
- Certifications: 80 PLUS Bronze, ENERGY STAR, ErP. Confirms high efficiency and environmental standards.
- Safety features: Over-current, over-power, over-voltage, overheating, short-circuit, surge & inrush, under-voltage protection. Provides comprehensive defence for your system.
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 |
