Ultimate silence for exceptional performance
The modular power supply be quiet! Straight Power 11 offers quiet operation without compromising on quality. Certified 80PLUS Platinum, it offers excellent energy efficiency. An ideal choice for silent setups, multi-GPU setups, multimedia systems and systems for 3D photo/video applications.
With fully modular management, the cables of the Straight Power 11 Platinum that are useless in the system are left out. Thus, the system always appears very tidy. Due to the less cluttered layout of the system, the airflow is smoother, which means less noise and heat inside the case. In addition, the installation is carried out much easier.

SilentWings 3 Quiet Fan
The premium SilentWings 3 fan delivers superior airflow while producing very low noise. Thanks to its unique and optimized blade design, durable fluid dynamic bearing system and 6-pole motor, this fan eliminates operating noise, with the added bonus of minimal energy consumption and a very long service life. Additionally, the funnel-shaped fan opening allows for increased airflow resulting in higher cooling performance.
80PLUS Platinum Certification
The be quiet! Straight Power 11 Platinum is certified 80+ Platinum, with a maximum efficiency of 93.7% to 94.1% depending on the model. Its main advantages: limited energy consumption and better cooled and quieter operation.


Wireless design inside the ‘power supply
The Straight Power 11 Platinum power supply works wirelessly on the DC side inside the power supply. This results in improved cooling airflow and limited signal disruption due to the disappearance of cables. This innovative design also provides longer component life.
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