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be quiet! PURE POWER 11FM 550W

In stock.
Ships from United States.
  • 80 PLUS® Gold efficiency (up to 93.5%)
  • Modular cables for maximum build flexibility
  • Two strong 12V-rails
  • Silence-optimized 120mm be quiet! fan
  • Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
  • Two PCIe connectors for powerful GPUs
  • Full suite of top safety features
  • Meets latest Intel® C6/C7, ErP and Energy Star guidelines
  • Supports all Intel® and AMD™ processors
  • Five-year manufacturer’s warranty
  • Product conception, design and quality control in Germany
  • Product conception, design and quality control in Germany
Overview
Specs
Reviews
be quiet Power Supplies
be quiet Power Supplies
be quiet Power Supplies

PURE POWER 11 FM

550W

EXCEPTIONAL QUIET, SUPERIOR FEATURES

Pure Power 11 FM 550W offers peerless dependability and best-in-class features such as modular cable management. Whether you are assembling a very quiet system, upgrading your PC, or building a gaming system with a powerful high-end GPU: Pure Power 11 FM 550W offers the best combination of features at a very popular price.

  • 80 PLUS Gold efficiency (up to 93.5%)
  • Modular cables for maximum build flexibility
  • Two strong 12V-rails
  • Silence-optimized 120mm be quiet! fan
  • Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
  • Two PCIe connectors for powerful GPUs
  • Full suite of top safety features
  • Five-year manufacturer’s warranty
be quiet Power Supplies

80 PLUS GOLD CERTIFICATION

Very high operating efficiency

Pure Power 11 FM 550W is certified 80 PLUS Gold with an efficiency rating of up to 93.5% – a truly outstanding level for this class of PSU. The most compelling benefit: lower power consumption and consequently lower costs, and cooler, quieter operation.

be quiet Power Supplies

MODULAR CABLES

Utmost convenience and compatibility

Thanks to the modular cables, all cables that serve no purpose in the system are left out. For this reason, systems always appear very tidy. At the same time installation is performed much more conveniently. A smoother airflow results from the uncluttered layout of the system, which means lower noise and temperatures prevail inside the case.

be quiet Power Supplies

POWER AND COMPATIBILITY

for your system

Pure Power 11 FM offers 550W of continuous power with two independent 12V rails for signal stability and two PCI express connectors to support powerful graphics cards. Whether you are building a very quiet system or gaming system: Pure Power 11 FM 550W is always the correct choice!

be quiet Power Supplies

EXCEPTIONALLY SILENT OPERATION

Achieved by a silence-optimized 120mm be quiet! fan

The silence-optimized 120mm be quiet! fan is thermally governed to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality and the almost inaudible operation that be quiet! is famous for.

be quiet Power Supplies

HIGH-CLASS TECHNOLOGIES

Compatibility for the systems of tomorrow

The use of LLC and Synchronous Rectifier (SR) provides very stable operation and enhanced voltage regulation. The PSU is equipped with DC-to-DC conversion for tight voltage regulation even under heavy cross-loading conditions. This ensures reliable operation with the next generation of processors and graphics cards.

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

  • Return for refund within: 30 days
  • Return for replacement within: 90 days
  • This item is covered by be quiet! Return Policy
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