Ever tried to build a high-performance PC only to hear the PSU roar like a jet engine? You need a power supply that stays whisper-quiet even under heavy load. The be quiet! Dark Power 14 850 Watt ATX 3.1 80 Plus Titanium PSU Power Supply delivers stable, efficient power for demanding rigs while keeping noise to a minimum, so you can focus on work or gaming without distraction.
Benefits of be quiet! Power Supply
- Quiet operation: The fan stays below 16 dB, so you won’t hear it during play or work.
- Energy savings: 93.8 % efficiency cuts electricity costs and reduces heat.
- Reliable protection: Over-current, over-voltage and surge safeguards keep components safe.
- Easy cable management: Fully modular cables minimise clutter and improve airflow.
- Long lifespan: 100 000 h MTBF and FDB bearing ensure years of dependable service.
Why Choose a be quiet! Power Supply
With this unit you’ll notice how smooth and stable your system runs. The 850 W capacity handles high-end CPUs and GPUs without strain, while the on/off fan switch lets you decide when cooling is needed. The compact 86 mm height fits most cases, and the solid build feels reassuring every time you power up.
Usages of a 850 Watt Power Supply
Ideal for gaming rigs, content-creation workstations and high-performance servers, this power supply provides the headroom required for multi-GPU setups, overclocked processors and demanding workloads, ensuring consistent performance in any demanding environment.
Key Features of a 850 Watt Power Supply
- Wattage: 850 W total output. Provides ample power for top-tier components.
- Efficiency: 93.8 % (80 Plus Titanium). Maximises power use while minimising waste.
- Modular cabling: Fully-modular design. Lets you connect only the cables you need.
- Fan speed: 0-2100 RPM with on/off switch. Gives you control over cooling and noise.
- Noise level: 16 dB max. Keeps the system whisper-quiet even at load.
- Weight: 2.2 kg. Light enough for easy installation yet solidly built.
- Dimensions: 86 mm × 150 mm × 175 mm. Fits standard ATX cases comfortably.
- Power factor: 0.98. Improves electrical efficiency and reduces strain on the mains.
- Hold time: 20.7 ms. Ensures stable voltage during sudden load changes.
- Protection: Over-current, over-voltage, overheating, overload, short-circuit, surge & inrush, under-voltage. Provides comprehensive safety for all components.
Specifications
| Power |
| Power protection features |
Over current, Over voltage, Overheating, Overload, Short circuit, Surge & inrush protection (SIP), Under voltage |
| Efficiency |
93.8% |
| Hold time |
20.7 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.5 A |
| Max output current (+5V) |
24 A |
| Max output current (+12V3) |
35 A |
| Max output current (+12V4) |
35 A |
| Max output current (+12V2) |
30 A |
| Max output current (+12V1) |
30 A |
| Max output current (+3.3V) |
24 A |
| Combined power (+5V) |
120 W |
| Combined power (+12V) |
850 W |
| Combined power (+3.3V) |
120 W |
| Number of +12V rail(s) |
4 |
| 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 |
950 W |
| Total power |
850 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| PCI Express connector |
Yes |
| ATX power connector (20+4 pin) |
Yes |
| CPU power cable length |
70 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) |
4 |
| EPS power connector (4+4 pin) |
Yes |
| EPS power connector (8-pin) |
Yes |
| Peripheral (Molex) power cable length |
900,1050 mm |
| Peripheral (Molex) power connectors (4-pin) |
2 |
| Number of SATA power cables |
13 |
| SATA power cable length |
600,750,900,1050 mm |
| Motherboard power cable length |
60 cm |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
FDB |
| Noise level |
16 dB |
| EPS version |
2.92 |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Titanium |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off fan switch |
Yes |
| On/off switch |
Yes |
| Fan speed |
0 - 2100 RPM |
| Number of fans |
1 fan(s) |
| Fan diameter |
13.5 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Operational conditions |
| Operating temperature (T-T) |
0 - 40 °C |
| Operating temperature (T-T) |
0 - 40 °C |
| Certificates |
| Compliance certificates |
CB, Federal Communications Commission (FCC), RoHS, TÜV mark, UKCA, WEEE, cTUVus |
| Weight & dimensions |
| Weight |
2.2 kg |
| Height |
86 mm |
| Depth |
175 mm |
| Width |
150 mm |
| Packaging data |
| Package weight |
3.5 kg |
| Package height |
355 mm |
| Package depth |
126 mm |
| Package width |
230 mm |
| Manual languages |
Simplified Chinese, German, English, Spanish, French, Italian, Japanese, Polish, Russian, Thai, Ukrainian |
| Manual |
Yes |
| Technical details |
| Sustainability certificates |
ENERGY STAR, ErP, Triman |
| Other features |
| Cable ties included |
Yes |
| Screws included |
Yes |
