Ever built a high-performance rig only to hear the PSU roar like a jet engine? You need reliable power 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 clean, stable electricity for gaming, content creation and workstation builds, keeping noise down while protecting your expensive components.
Usages of a 850 Watt Power Supply
A quiet, high-capacity supply fits seamlessly into demanding daily setups:
- Powering a top-tier gaming PC with multiple graphics cards.
- Running a workstation for video editing and 3D rendering.
- Supporting a home server that stays on 24/7.
- Feeding a custom water-cooled build with many peripherals.
- Driving a mining rig that requires consistent, efficient power.
Why Choose be quiet! Power Supply
If you’re a gamer, creator or professional builder, you’ve probably struggled with noisy or unstable power units that cause crashes or raise your electricity bill. You need a supply that can handle the load without compromising silence or safety. This unit’s ATX 3.1 compliance, 850 W capacity and Titanium efficiency make it a perfect match for anyone demanding top-level performance and peace of mind.
Key Features of a 850 Watt Power Supply
- Total output: 850 W. Provides ample headroom for high-end components.
- 4 independent +12 V rails. Distributes power evenly across GPUs and CPUs.
- Efficiency: 93.8 % (80 Plus Titanium). Saves energy and reduces heat.
- Fan size: 13.5 cm with 0-2100 RPM range. Delivers cooling only when needed.
- Noise level: 16 dB max. Keeps your workspace quiet even at full load.
- MTBF: 100 000 h. Guarantees long-term reliability for years of use.
- Fan bearing: FDB. Ensures smooth, quiet operation over time.
- On/off fan switch: Yes. Lets you control cooling manually for silent idle.
- Dimensions: 86 mm H × 150 mm W × 175 mm D. Fits standard ATX cases easily.
- Fully modular cabling: Yes. Reduces clutter and improves airflow inside the case.
Benefits of be quiet! Power Supply
You’ll enjoy stable performance without unexpected shutdowns, thanks to robust protection against overloads and surges. The ultra-efficient design cuts your electricity costs and keeps the system cool, extending component life. With a quiet fan and optional off switch, you can work or game in a peaceful environment. Fully modular cables simplify cable management, improving airflow and making future upgrades hassle-free.
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 |
