Tired of noisy builds that drown out your focus? A reliable Power Supply keeps every component fed while staying whisper-quiet, letting you work or game without distraction. The be quiet! PURE POWER 12, 550W, 100 - 240 V, 600 W, 50/60 Hz, 10A, 5A, PSU delivers stable power for modern PCs, ensuring smooth performance and long-term safety.
Usages of a 550W Power Supply
A 550W unit fits seamlessly into everyday computing tasks.
- Building a mid-range gaming rig that needs steady GPU power.
- Upgrading a workstation for video editing with multiple drives.
- Replacing an aging supply in a home office PC for quieter operation.
- Supplying a compact ATX case where space is limited.
- Powering a DIY server that runs 24/7 without overheating.
Why Choose a be quiet! Power Supply
If you’re assembling a system that balances performance and silence, you’ve likely struggled with bulky, noisy supplies that waste electricity. You need a unit that meets the latest ATX 3.1 standards, supports PCIe 5.1, and fits a variety of builds without extra cables. This Power Supply answers those concerns with high efficiency, active cooling and a single 12 cm fan, making it ideal for gamers, creators and professionals who value reliability and low noise.
Key Features of a 550W Power Supply
- Efficiency: 91.2%. Saves energy and reduces heat output.
- Peak power: 600 W. Handles short bursts of high demand safely.
- Power factor: 0.98. Improves overall electrical performance.
- MTBF: 100 000 h. Guarantees long service life.
- Noise level: 14.6 dB. Keeps your workspace quiet.
- Fan: 1 × 12 cm active. Provides effective cooling without excess sound.
- Dimensions: 150 mm × 160 mm × 86 mm. Fits standard ATX cases easily.
- Weight: 2.3 kg. Sturdy yet manageable for installation.
- Certification: 80 PLUS Gold. Confirms high efficiency under load.
- Protection: Over-current, over-voltage, short-circuit, surge & inrush, under-voltage. Shields your components from electrical faults.
Benefits of be quiet! Power Supply
You’ll enjoy lower electricity bills thanks to the 91.2 % efficiency, while the quiet 14.6 dB fan lets you concentrate without background noise. The robust protection suite means fewer worries about component damage, extending the lifespan of expensive hardware. Its compact size and single-rail design simplify cable management, saving you time during build and maintenance. Overall, the be quiet! Power Supply delivers dependable performance, keeping your system stable and silent for years to come.
Specifications
| Power |
| Power protection features |
Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Under voltage |
| Efficiency |
91.2% |
| Hold time |
16.64 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V1) |
45.8 A |
| Max output current (+3.3V) |
20 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (-12V) |
3.6 W |
| Combined power (+5V) |
120 W |
| Combined power (+12V) |
550 W |
| Combined power (+3.3V) |
120 W |
| Number of +12V rail(s) |
1 |
| Power Factor Correction (PFC) type |
Active |
| Power factor |
0.98 |
| Maximum input current (@220V) |
5 A |
| Maximum input current (@110V) |
10 A |
| AC input frequency |
50/60 Hz |
| AC input voltage |
100 - 240 V |
| Peak power |
600 W |
| Total power |
550 W |
| Ports & interfaces |
| Cabling type |
Non-Modular |
| CPU power cable length |
60 cm |
| CPU power connector (4+4 pin) |
Yes |
| PCI Express power cable length |
60 cm |
| PCI Express power connectors (12-pin) |
1 |
| PCI Express power connectors (6+2 pin) |
2 |
| Peripheral (Molex) power cable length |
800 mm |
| Peripheral (Molex) power connectors (4-pin) |
1 |
| SATA power cable length |
500,650,800 mm |
| Number of SATA power connectors |
5 |
| Motherboard power cable length |
55 cm |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
Rifle |
| Noise level |
14.6 dB |
| EPS version |
2.92 |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Gold |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Number of fans |
1 fan(s) |
| Fan diameter |
12 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Operational conditions |
| Operating temperature (T-T) |
0 - 40 °C |
| Storage relative humidity (H-H) |
0 - 95% |
| Operating relative humidity (H-H) |
0 - 90% |
| Storage temperature (T-T) |
-20 - 70 °C |
| Operating temperature (T-T) |
0 - 40 °C |
| Certificates |
| Compliance certificates |
CB, CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE, cTUVus |
| Packaging content |
| Cable tie(s) included |
Yes |
| Cables included |
AC |
| Weight & dimensions |
| Weight |
2.3 kg |
| Height |
150 mm |
| Depth |
160 mm |
| Width |
86 mm |
| Packaging data |
| Package weight |
2.8 kg |
| Package height |
210 mm |
| Package depth |
320 mm |
| Package width |
133 mm |
| Technical details |
| Sustainability certificates |
ENERGY STAR, ErP, Triman |
| Other features |
| Screws included |
Yes |
