Dark Power Pro 11 550W is be quiet!’s most advanced PSU ever, delivering 80PLUS® Platinum efficiency, effortless Quad-GPU support, and unmatched silence. The improved features include:
- 80PLUS® Platinum power efficiency and unmatched power stability (up to 94%) thanks to half bridge, LLC, SR and DC/DC technology
- Virtually inaudible SilentWings® 3 135mm fan with fluid-dynamic bearing
- 6-pole fan motor and IC motor control for smooth low-speed operation and reduced noise
- Large funnel-shaped fan intake facilitates high airflow with less turbulence
- Isolation sleeve reduces transmission of vibrations to case
- Overclocking key switches between four 12V-rails and one massive 12V-rail
- User-friendly cable management reduces clutter, improves cooling
- Premium 105°C-rated capacitors maximize reliability
- Intelligent control for up to 4 case fans
- German product conception, design and quality control
Choose Dark Power Pro 11 550W and get the most technologically-advanced PSU be quiet! has ever built.
Ports & interfaces | Motherboard power connector | 20+4 pin ATX |
| Peripheral (Molex) power connectors (4-pin) | 5 |
| Number of SATA power connectors | 8 |
| PCI Express power connectors (6-pin) | 1 |
| PCI Express power connectors (6+2 pin) | 4 |
| CPU power connector (4+4 pin) | Yes |
| ATX power connector (20+4 pin) | Yes |
| Floppy drive power connector | 1 |
| Floppy disk drive connector | Yes |
| CPU power connectors (8-pin) | 1 |
| Cabling type | Semi-Modular |
Power | Total power | 550 W |
| AC input voltage | 100 - 240 V |
| Peak power | 610 W |
| AC input frequency | 50 - 60 Hz |
| Input current | 7 A |
| Maximum input current (@110V) | +5Vsb,+12V1,-12V,+12V2,+3.3V,+12V3,+12V4,+5V A |
| Power factor | 0.99 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 140 W |
| Combined power (+12V) | 540 W |
| Combined power (+5V) | 140 W |
| Combined power (-12V) | 6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 25 A |
| Max output current (+12V) | 45 A |
| Max output current (+12V1) | 20 A |
| Max output current (+12V2) | 20 A |
| Max output current (+12V3) | 25 A |
| Max output current (+12V4) | 25 A |
| Max output current (+5V) | 22 A |
| Max output current (-12V) | 0.5 A |
| Max output current (+5Vsb) | 3 A |
| Hold time | 19.4 ms |
| Efficiency | 92 % |
| Power protection features | Overheating, Under voltage, Over current, Over power, Over voltage, Short circuit |
Packaging data | Manual | Yes |
| Package width | 348 mm |
| Package depth | 272 mm |
| Package height | 118 mm |
| Package weight | 3370 g |
Performance | Purpose | PC |
| Power supply unit (PSU) form factor | ATX |
| 80 PLUS certification | 80 PLUS Platinum |
| ATX version | 2.4 |
| EPS version | 2.92 |
| Noise level | 10.1 dB |
| Mean time between failures (MTBF) | 180000 h |
| Certification | CE, CB, TÜV, FCC, cTUVus, RCM (Australia), CU (Russia) |
Technical details | Sustainability certificates | ENERGY STAR |
| Compliance certificates | RoHS |
Design | Product colour | Black |
| Cooling type | Active |
| Fan diameter | 135 mm |
| Number of fans | 1 fan(s) |
| Fan speed | 1200 RPM |
| Fan location | Top |
| On/off switch | Yes |
Other features | Noise level (silent mode, | 8.7 dB |
| Noise level (quiet mode, 50%) | 8.9 dB |
| Noise level (full-load mode, 100%) | 10.1 dB |
| Warranty card | Yes |
Weight & dimensions | Width | 180 mm |
| Depth | 150 mm |
| Height | 86 mm |
| Weight | 2020 g |