Be Quiet 400W Pure Power 10 CM Semi Modular PSU/Power SSorry, this product is currently out of stock.

Be Quiet 400W Pure Power 10 CM Semi Modular PSU/Power S

QuickFind: 779011 Mfr part code: BN276
  • 400 Watts of continuous power
  • 80PLUS® Silver certification
  • Exceptionally quiet operation
  • Stable operation
  • Modular cable management

Product Description

Be Quiet 400W Pure Power 10 CM Semi Modular PSU/Power S

PURE POWER 10 | 400W CM 

Exceptionally Quiet, Superior Reliability, Great Value
The Pure Power 10 PSU series stands for peerless dependability and best-in-class features. Whether you are assembling a very quiet system, upgrading an existing PC, building a multimedia or a multi-GPU gaming system, your build will benefit from this PSU series. It simply has the best combination of features, performance and quality at very popular price.
  • 400 Watts of continuous power and two 12V-rails ensure rock-solid voltage stability for powerful multi-GPU systems
  • 80PLUS® Silver certification and up to 91% power conversion efficiency
  • Exceptionally quiet operation is achieved by an array of careful enhancements, including the use of a silence-optimized 120mm be quiet! fan
  • Stable operation thanks to DC-to-DC power conversion technology
  • Modular cable management with high-quality flat cables for PCIe connectors and drives
  • Product conception, design and quality control in Germany
  • Gaming with multi-GPU capability
  • Silent PC builds
  • Quiet multimedia and home theater systems
Feature Details
  • Two independent 12V-rails improve power signal stability
  • Active Clamp and Synchronous Rectifier (SR) technology produces very stable operation
  • DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions
  • Two PCI express connectors for multi-GPU system configurations
  • Full suite of top safety protections defends against over-currents, over- and under-voltages, short circuits, overheating and overloads
  • Modular cable management simplifies component installation and reduces annoying clutter
  • Fixed 24-pin and P8 cables with high-quality single layer sleeve
  • Easy-to-use flat drives and PCIe cables offer more space for installation
  • All-in-one cable with convenient easy-plug HDD connector
Energy Efficiency
  • 80PLUS® Silver certification means very high operating efficiency for its class of up to 91%
  • High efficiency means cost savings, less wasted heat and an overall quieter operation
  • Standby drain of less than 0.11 watts
  • Meets Energy Star 6.0 guidelines
  • Fulfills ErP 2014 guidelines
  • Zero Load design supports Intel's Deep Power Down C6/C7 mode
Exceptionally Quiet Operation
  • High-quality 120mm be quiet! fan is thermally controlled and optimally governed to strike the best balance between effective cooling and deep quietness
  • Airflow-optimized fan blades reduce turbulence, enabling a best-in-class quiet function with excellent airflow
  • High efficiency design produces low operating temperatures
Outstanding Service and Support
  • 3-year manufacturer's warranty
  • Quick support is available via our international hotline, Mondays to Fridays from 9:00am to 5:30pm CET: +49 (0) 40-736 76 86 - 98

Technical Specification

Be Quiet 400W Pure Power 10 CM Semi Modular PSU/Power S


Features Overheat protection, over current protection, over voltage protection, overpower protection, undervoltage protection, dual 12V rails, short-circuit protection, active CLAMP circuitry, DC-DC technology, Synchronous Rectifier (SR) technology, semi-modular
Included Accessories Cable ties
Cooling System 120 mm fan


Device Type Power supply - active Power Factor Correction (PFC) - internal
Specification Compliance ATX12V 2.4
PSU Form Factor ATX
Colour Black
Localisation English, German, French, Polish, Russian, Spanish

Power Device

Input Voltage AC 100-240 V
Frequency Required 50 - 60 Hz
Power Output Connectors Details 1 x power 24 pin ATX with detachable 4 pin section ¦ 1 x power 8 pin +12V with detachable 4 pin section ¦ 2 x 8 pin PCI Express power with detachable 2 pin section ¦ 2 x 4 PIN internal power ¦ 5 x 15 pin Serial ATA power ¦ 1 x 4 PIN mini-power connector
Output Voltage +3.3, +5, ±12 V
Power Capacity 400 Watt
Output Current +3.3V - 24 A ¦ +5V - 15 A ¦ +12V1 - 24 A ¦ +12V2 - 20 A ¦ -12V - 0.3 A ¦ +5VSB - 3 A
Efficiency 91.3% at 50% Load, 89.2% at 20% Load, 90.1% at 100% Load
Power Factor (PF) 0.99
Modular Cable Management Yes
80 PLUS Certification 80 PLUS Silver

Environmental Standards


Manufacturer Warranty

Service & Support Limited warranty - 3 years

Environmental Parameters

Max Operating Temperature 40 °C

Dimensions & Weight

Width 15 cm
Depth 16 cm
Height 8.6 cm
Weight 1.96 kg

Dimensions & Weight (Shipping)

Shipping Width 26 cm
Shipping Depth 20.2 cm
Shipping Height 9.8 cm
Shipping Weight 2.42 kg

Product Reviews

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Be Quiet 400W Pure Power 10 CM Semi Modular PSU/Power S

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