Be Quiet Pure Power 12 M 850W 80 Plus Gold Fully Modular Power Supply (BN505)
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- 80 PLUS® Gold efficiency (up to 93.2%)
- ATX 3.1 PSU with full support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
- Exceptionally silent 120mm be quiet! fan
- Advanced stability and voltage regulation thanks to LLC technology
- 2 strong 12V-rails
- Modular cables for maximum build flexibility
- One PCIe 5.1 12V-2x6 600W and 4 PCIe 6+2 connectors for overclocked high-end GPUs
80 PLUS® GOLD CERTIFIED
Very high operating efficiencyPure Power 12 M 850W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 93.2%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 M 850W is always the correct choice for quiet systems and gaming PCs!
FUTURE-PROOF YOUR SYSTEM
Fulfills all ATX 3.1 specificationsPure Power 12 M 850W is an ATX 3.1 PSU and comes with both native integration of the 12V-2x6 connector for next-generation PCIe 5.1 graphics cards, and PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for powerful systems of today and the ones to come.
THE NEW STANDARD OF POWER
For massive transient loadsPure Power 12 M offers 850W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 850W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.
UNPRECEDENTED SILENT OPERATION
Achieved with a silence-optimized be quiet! fanThe exceptionally silent 120mm be quiet! fan is temperature-controlled to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class
quiet functionality.
HIGH-CLASS TECHNOLOGIES
Rock-solid stabilityWith its LLC topology Pure Power 12 M 850W provides a best-in-class voltage regulation and efficiency. That makes it perfect for building or upgrading very quiet systems as well as gaming and media creation PCs.
MODULAR CABLES
Utmost convenience and compatibilityThanks to their modularity, all unnecessary cables in the system are left out. Pure Power 12 M 850W simplifies cable management and routing for a tidy-looking system. A smoother airflow results from the uncluttered layout of the system, which means lower noise and temperatures inside the case.
“Ever since the first Pure Power, uncountable amounts of it have found their way into the PCs – and most likely hearts – of users worldwide.”
| Model | Pure Power 12 M 850W |
| Continuous power (W) | 850 |
| Peak power (W) | 900 |
| Form factor | Version 3.1 |
| Form factor EPS 12V | Version 2.92 |
| Topology | LLC + SR + DC/DC |
| Digitally controlled | - |
| Voltage (Vac) | 100 - 240 |
| Frequency (Hz) | 50 - 60 |
| Input current (A) | 12 / 6 |
| Power factor at 100% load | >0.98 |
| Modern standby | ✓ |
| Power consumption in standby (W) | <0.1 |
| Average life time (h / 25°C) | >100,000 |
| Operating temperature up to (°C) | 40 |
Infographics
Efficiency
| 80 PLUS certification | Gold |
| Efficiency (%) at 230V, 2% load | 73.8 |
| Efficiency (%) at 230V, 10% load | 87.1 |
| Efficiency (%) at 230V, 20% load | 91.7 |
| Efficiency (%) at 230V, 50% load | 93.2 |
| Efficiency (%) at 230V, 100% load | 91.2 |
Fan and cooling technology
| Cybenetics Noise Rating | - |
| Fan | Silence-optimized be quiet! fan |
| Fan size (mm) | 120 |
| Bearing technology | Rifle |
| Motor technology | 4-pole fan motor |
| Max. fan speed (rpm) | 2000 |
| dB(A) at 10% load | 9.3 |
| dB(A) at 20% load | 9.4 |
| dB(A) at 50% load | 9.5 |
| dB(A) at 100% load | 25.7 |