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None Be Quiet! 550W Straight Power 11 PSU, Fully Modular, Fluid Dynamic Fan, SLI / XFire

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Price comparison product image None Be Quiet! 550W Straight Power 11 PSU,  Fully Modular,  Fluid Dynamic Fan,  SLI / XFire

World Class Quiet and Efficency
be quiet! Straight Power 11 550W raises the bar for systems that demand virtually inaudible operation without power quality compromises.
Virtually inaudible SilentWings 3 135mm fan
Funnel-shaped fan opening of the PSU case for high airflow intake
Wire-free inside the PSU on the DC side for enhanced cooling and longevity
Full cable management for maximum build flexibility
80PLUS Gold efficiency (up to 93%)
Powerful multi-GPU support with two PCI-Express connectors
Japanese 105°C-rated capacitors ensure stability and reliability
ErP and Energy Star 6.1 ready
5-year manufacturer's warranty

Silent Wings 3 Fan

Provides virtually inaudible operation
The high-end SilentWings 3 fan delivers best-of-class airflow yet produces very little noise. This is thanks to its unique, optimized fan blade design along with an advanced fluid-dynamic bearing and 6-pole fan motor that largely eliminates operational noise, has a super-long life and minimal power consumption.

Funnel-Shaped Fan Opening

Higher cooling performance
The fan inlet of the Straight Power 11 550W is funnel-shaped. It causes an increased throughput of air which benefits to a higher cooling performance.

Wire-Free Design Inside The PSU

Pushing the longevity of components to a maximum
An absolute innovation: The Straight Power 11 550W is wire-free on the DC side inside the PSU body. This results in improved cooling airflow and less signal disturbance, simply because of a lack of wiring, and ultimately pushes the lifetimes of the components to a maximum.

Fully Modular Cable Management

Utmost convenience and compatibility
Thanks to the fully modular cable management
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