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be quiet! Dark Power 14 850W ATX 3.1 Power Supply | 80 Plus Titanium Efficiency | PCIe 5.1 | Modular | 10 Year Warranty | BP019US
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be quiet! Pure Power 13 M 850W ATX 3.1 Power Supply | 80 Plus Gold Efficiency | PCIe 5.1 | Modular | BP027US

  • Pure Power 13 1000W Gold
  • Pure Power 13 750W Gold
  • Pure Power 13 850W Gold
  • Pure Power 13 1200W Gold
  • 80 PLUS® Gold efficiency (up to 94.3%)
  • ATX 3.1 PSU with full support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
  • Exceptionally silent semi-passive 120mm be quiet! fan
  • Semi-passive construction for quiet and energy-saving operation
  • LLC technology for advanced stability and voltage regulation
  • One massive high-performance 12V-rail
  • One PCIe 5.1 12V-2x6 600W and 4 PCIe 6+2 connectors for overclocked high-end GPUs
🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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Overview
Specs
Reviews (12)
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be quiet! Pure POWER 13 M power supply
be quiet! Pure POWER 13 M power supply

PURE POWER 13 M

850W

Exceptional quiet, superior features

Pure Power 13 M 850W is an ATX 3.1 compliant and PCIe 5.1 compatible power supply with semi-passive cooling. It offers peerless dependability with best-in-class features. Pure Power 13 M 850W offers the best combination of features with outstanding compatibility.

  • 80 PLUS® Gold efficiency (up to 94.4%)
  • ATX 3.1 PSU with full support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
  • Exceptionally silent semi-passive 120mm be quiet! fan
  • Semi-passive construction for quiet and energy-saving operation
  • LLC technology for advanced stability and voltage regulation
  • One massive high-performance 12V-rail
  • One PCIe 5.1 12V-2x6 600W and 4 PCIe 6+2 connectors for overclocked high-end GPUs
be quiet! Pure POWER 13 M power supply

80 PLUS® GOLD CERTIFIED

Very high operating efficiency

Pure Power 13 M 850W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 94.4%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 13 M 850W is always the correct choice for quiet systems and gaming PCs!

FUTURE-PROOF YOUR SYSTEM

Fulfills all ATX 3.1 specifications

Pure Power 13 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 4 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.

be quiet! Pure POWER 13 M power supply
be quiet! Pure POWER 13 M power supply

THE NEW STANDARD OF POWER

For massive transient loads

Pure Power 13 M offers 850W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time: Pure Power 13 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.

SEMI-PASSIVE ZERO-RPM COOLING

Enjoy the silence

While under low load, the fan turns off completely until its services are needed again for more demanding operations. This feature, combined with the reliable be quiet! fan and its airflow-optimized fan blades, make Pure Power 13 M 850W exceptionally silent in all load scenarios.

be quiet! Pure POWER 13 M power supply

HIGH-CLASS TECHNOLOGIES

Rock-solid stability

With its LLC topology Pure Power 13 M 850W provides best-in-class voltage regulation and efficiency. That makes it perfect for building very quiet systems or upgrading gaming and media creation PCs.

MODULAR CABLES

Utmost convenience and compatibility

Thanks to their modularity, all unnecessary cables in the system are left out. Pure Power 13 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.

be quiet! Pure POWER 13 M power supply

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Return Policies

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The be quiet! Pure Power 13 M BP027US is an 850W, 80 PLUS Gold modular ATX 3.1 power supply for gaming PCs with PCIe 5.1 graphics cards, including builds that use a 12V-2x6 connector or 6+2-pin GPU power.

Recommended For

  • PC gamers building around a modern high-end graphics card who want an ATX 3.1 supply with a native 600W 12V-2x6 cable, plus PCIe 6+2-pin connections for compatible cards.
  • Builders prioritizing a quiet gaming or work PC: the semi-passive fan stops at low loads, and independent testing found low fan noise across tested loads, including full load.
  • PC builders upgrading a current gaming or media-creation system who want modular cables to leave unused leads out of the case and simplify cable routing.
  • Users assembling a single-GPU desktop with sustained gaming or creative workloads whose planned power needs fit within 850W and who value Gold-rated efficiency.

Real-World Use Scenarios

  • Building a gaming PC with a graphics card that uses a 12V-2x6 power connection? If the full system’s power needs fit within 850W and the GPU maker’s recommendation, the included native cable can connect directly without relying on a separate GPU power adapter.
  • Using a PC for web browsing, office work, or other light tasks? The semi-passive fan can stop at low loads, reducing power-supply fan noise; during more demanding workloads, it may turn on.
  • Upgrading a gaming PC with a supported 6+2-pin graphics card? The PSU includes conventional PCIe connectors as well as a 12V-2x6 connection, so it can suit different GPU power-cable setups, provided the system’s total power requirements are within budget.
  • Assembling or refreshing a desktop with several drives and accessories? The modular cables let builders leave out unused leads, while the PSU provides SATA power connections for compatible storage and peripherals.
  • Running a gaming or media-creation PC with brief spikes in graphics-card power demand? Its ATX 3.1 design is intended to handle short power excursions, though the PSU still needs to be correctly sized for the complete system.

Spec Summary

AttributeValue
Best ForDesktop PC builds needing an 850 W fully modular power supply with ATX and PCIe cabling
Power Output And Efficiency850 W output with 80 PLUS Gold certification and active PFC
CoolingAir-cooled with one 120 mm temperature-controlled fan
Connectivity And Modular CablingFully modular cabling with 6 SATA and 2 PATA connectors; listed cable types include PCI Express and ATX, with a 20+4-pin ATX connector
Physical Specifications160 × 150 × 86 mm; item weight 2.62 kg
ColorBlack
Model IdentifiersPure Power 13 M 850W; model and part number BP027US