
Pure Power 12 M
Model Pure Power 12 MPart no. BN343EAN 4260052189481
65 specifications
- Noise25.7 dB
- ColourBlack
- Total power850 W
- Motherboard power connector20+4 pin ATX
- PurposePC
- Operating temperature (T-T)0 - 40 °C
Overview
- Noise
- 25.7 dB
- Colour
- Black
- Total power
- 850 W
- Motherboard power connector
- 20+4 pin ATX
- Purpose
- PC
- Operating temperature (T-T)
- 0 - 40 °C
- Brand
- be quiet!
- Category
- Power Supply Unit
- Model
- Pure Power 12 M
- Part numbers
- BN343, BN344, BN342, BN341, BN345
- EAN / UPC
- 4260052189481, 4260052189498, 4260052189474, 4260052189771 +2 more
- Also known as
- be quiet! Pure Power 12 M power supply unit 850 W 20+4 pin ATX ATX Black
Specifications
65 specifications in 12 groups
Power
| Specification | Value |
|---|---|
| Total power | 850 W |
| Peak power | 900 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Input current | 12 / 6 A |
| 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 (+12V1) | 40 A |
| Max output current (+12V2) | 36 A |
| Max output current (+5V) | 22 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Efficiency | 93.2% |
| Power Good signal delay range | 100 - 150 ms |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit |
Ports & interfaces
| Specification | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Motherboard power cable length | 55 cm |
| Number of PATA power connectors | 2 |
| Number of SATA power connectors | 6 |
| SATA power cable length | 500,600,650,800,950 mm |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| Peripheral (Molex) power cable length | 550 mm |
| EPS power connector (8-pin) | Yes |
| EPS power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 4 |
| ATX power connector (20+4 pin) | Yes |
| PCI Express connector | Yes |
| Cabling type | Fully-Modular |
Performance
| Specification | Value |
|---|---|
| Purpose | PC |
| Power supply unit (PSU) form factor | ATX |
| 80 PLUS certification | 80 PLUS Gold |
| ATX version | 3.1 |
| EPS version | 2.92 |
| Noise level | 25.7 dB |
| Mean time between failures (MTBF) | 100000 h |
Design
| Specification | Value |
|---|---|
| Product colour | Black |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Number of fans | 1 fan(s) |
| Fan location | Top |
| Illumination | No |
| On/off switch | Yes |
Operational conditions
| Specification | Value |
|---|---|
| Operating temperature (T-T) | 0 - 40 °C |
Packaging content
| Specification | Value |
|---|---|
| Cables included | PATA, PCIe, Peripheral (Molex), SATA |
Certificates
| Specification | Value |
|---|---|
| Compliance certificates | RoHS |
Weight & dimensions
| Specification | Value |
|---|---|
| Width | 160 mm |
| Depth | 150 mm |
| Height | 86 mm |
Packaging data
| Specification | Value |
|---|---|
| Package type | Box |
Technical details
| Specification | Value |
|---|---|
| Sustainability certificates | ENERGY STAR, ErP |
| Sustainability compliance | Yes |
Logistics data
| Specification | Value |
|---|---|
| Warranty period | 10 year(s) |
Other features
| Specification | Value |
|---|---|
| Screws included | Yes |
| Number of screws | 5 |
| Cable ties included | Yes |
| Noise level (silent mode, <30%) | 9.4 dB |
| Noise level (quiet mode, 50%) | 9.5 dB |
| Noise level (full-load mode, 100%) | 25.7 dB |







