Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Sustainability compliance | ![]() |
| Sustainability certificates | ENERGY STAR, ErP |
| Ports & interfaces | |
| PCI Express connector | ![]() |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| EPS power connector (8-pin) | ![]() |
| ATX power connector (20+4 pin) | ![]() |
| PCI Express power connectors (8-pin) | 4 |
| CPU power connector (4+4 pin) | ![]() |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Modular |
| Number of PATA power connectors | 2 |
| Motherboard power cable length | 55 cm |
| SATA power cable length | 500,600,650,800,950 mm |
| Peripheral (Molex) power cable length | 550 mm |
| EPS power connector (4+4 pin) | ![]() |
| Weight & dimensions | |
| Weight | 1.85 kg |
| Height | 86 mm |
| Width | 160 mm |
| Depth | 150 mm |
| Energy management | |
| Peak power | 900 W |
| Input current | 12 / 6 A |
| Nominal power | 850 W |
| Efficiency | 93.2% |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit |
| Power factor | 0.98 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 850 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 22 A |
| Max output current (+12V) | 70.9 A |
| Max output current (+5V) | 22 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Max output current (+12V2) | 36 A |
| Max output current (+12V1) | 40 A |
| Total power | 850 W |
| Power Good signal delay range | 100 - 150 ms |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 40 °C |
| Packaging data | |
| Package type | Box |
| Certificates | |
| RoHS compliance | ![]() |
| 80 PLUS certification | 80 PLUS Gold |
| Compliance certificates | RoHS |
| Packaging content | |
| Cables included | PATA, PCIe, Peripheral (Molex), SATA |
| Other features | |
| Number of screws | 5 |
| Screws included | ![]() |
| Noise level (quiet mode, 50%) | 9.5 dB |
| Noise level (full-load mode, 100%) | 25.7 dB |
| Noise level (silent mode, <30%) | 9.4 dB |
| Cable ties included | ![]() |
| Design | |
| Product colour | Black |
| Illumination | ![]() |
| Number of fans | 1 fan(s) |
| On/off switch | ![]() |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Fan location | Top |
| Fan speed | 2000 RPM |
| Performance | |
| Mean time between failures (MTBF) | 100000 h |
| Form factor | ATX |
| Noise level | 25.7 dB |
| Purpose | PC |
| Supported motherboard form factors | ATX |
| ATX version | 3.1 |
| EPS version | 2.92 |
| Silent mode | ![]() |
| Power supply unit (PSU) form factor | ATX |
| Logistics data | |
| Warranty period | 10 year(s) |
| EAN | 4260052189498 |
| Warranty | 5 years |
The be quiet! Pure Power 12 M is an 850W power supply unit designed for contemporary PC systems. It meets the ATX 3.0 standard and provides native PCIe 5.0 support, ensuring stable power delivery for demanding high-performance components. Its 80 PLUS Gold certification signifies an operational efficiency of up to 93.2%, which translates to reduced heat output and lower energy consumption. The unit is engineered to handle significant transient loads, a critical function for modern graphics cards and processors.
This PSU incorporates a fully modular cabling system, enabling builders to use only the required cables for a cleaner installation and improved internal airflow. Cooling is handled by a temperature-controlled 120mm fan designed for quiet operation, contributing to a lower overall system noise profile. The unit is equipped with a comprehensive suite of safety protections, including over-voltage and short-circuit protection, to safeguard connected hardware. Its standard ATX dimensions and 160mm depth ensure compatibility with most mid-tower and full-tower cases.
Key Features:- Delivers 850W of continuous power
- Features an 80 PLUS Gold efficiency rating
- Built with a fully modular cable management system
- Complies with ATX 3.0 and PCIe 5.0 specifications
- Cooled by a single 120mm fan
- Includes six SATA and four 6+2 pin PCIe connectors
- Offers a full suite of power protection features
- Measures 150 x 86 x 160 mm (W x H x D)
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Estimated delivery: 06.01 - 09.01
Today: 10:00 - 17:00
Estimated delivery: 06.01 - 09.01
Today: 10:00 - 18:00
Estimated delivery: 06.01 - 09.01
Today: 10:00 - 17:00
Estimated delivery time: 06.01 - 09.01
Estimated delivery time: 07.01 - 09.01
Estimated delivery time: 06.01 - 08.01
Estimated delivery time: 07.01 - 09.01
Estimated delivery time: 07.01 - 08.01
Estimated delivery time: 06.01 - 09.01
Estimated delivery time: 06.01 - 09.01
Estimated delivery time: 07.01 - 08.01
- manual pdf (English)
- leaflet (English)


