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be quiet 300 Watt Pure Power 10 Bronze PSU/Power Supply

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BN270 - 300W be quiet! Pure Power 10, 80 PLUS Bronze, Fully Wired, Dual Rail, 24A +12V, 120mm Fan, ATX PSU

This item is currently discontinued and at present, we have no replacement on order.
Quickcode: 67194  
Stock code: POW-BN270
Manuf. code: BN270
Cust. Rating:   Be the first to write a review.
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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.

• Two independent 12V-rails improve power signal stability.
• One PCI express connector for GPU card support.
• Full suite of top safety protections defends against over-currents, over- & under-voltages, short circuits, overheating & overloads.
• High-quality sleeved cables simplify component installation, increase airflow and improve cooling.
• All-in-one cable with convenient easy-plug HDD connector.

Energy Efficiency
• 80PLUS® Bronze certification means high operating efficiency for its class of up to 87%.
• 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.
• Fulfils 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 to strike the best balance between effective cooling & deep quietness.
• Airflow-optimised fan blades reduce turbulence, enabling a best-in-class quiet function with excellent airflow.
• High efficiency design produces low operating temperatures.

Ideal For:
• Gaming with multi-GPU capability.
• Silent PC builds.
• Quiet multimedia and home theatre systems.


  • 300 Watts of continuous power and two 12V-rails ensure rock-solid voltage stability.
  • 80PLUS® Bronze certification and up to 87% power conversion efficiency.
  • Exceptionally quiet operation is achieved by an array of enhancements, e.g. silence-optimized 120mm be quiet! Fan.
  • Attractively sleeved cables simplify component installation, increase airflow and improve cooling.
  • Product conception, design and quality control in Germany.


  • Be Quiet! 300W PSU - BN270 Pure Power 10
  • Rifle Bearing Fan,
  • 80+ Bronze.
  • PowerSeriesBe Quiet! Pure Power 10
  • 1x ATX-Mainboard (20+4 pin)
  • 1 x P4+4 (CPU)
  • 1 x PCI-E 6+2 pin (GPU)
  • 2 x PATA 4 pin
  • 4 x SATA 15-pin (HDD, Drives)
  • 1 x FDD (Floppy)
  • 2 x Mainboard Connector (PATA 4 pin)SLI/CrossFire SupportNoRail DesignDual +12VAC InputAC 100-240 VPFCActive PFCFan Type120mm be quiet! fan with durable Rifle-Bearing-TechnologyNoised
  • dB(A) at 20% load: 10.6
  • dB(A) at 50% load: 10.8
  • dB(A) at 100% load: 13.2

Warranty Information:

Manufacturer be quiet!
Warranty Type Direct with Manufacturer
Manufacturer Website
Warranty Period (yrs)3
PSU Wattage300
SATA Adapters4
4-Pin MOLEX Adapters2
CPU Power Adaptor1x 4+4

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