be quiet! Straight Power 11 850W

World Class Quiet and Efficiency
be quiet! Straight Power 11 850W raises the bar for systems that demand virtually inaudible operation without power quality compromises. This PSU is clearly the best choice for super silent systems.

- Virtually inaudible operation thanks to a SilentWings® 3 135mm fan
- Big funnel-shaped fan opening of the PSU case for high airflow intake
- Wire-free on the DC side inside the PSU for enhanced cooling and longevity
- Full cable management for maximum build flexibility
- 80PLUS® Gold certification with an efficiency of up to 93%
- Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
- Four high-performance 12V-rails
- Powerful multi-GPU support with four PCI-Express connectors
- Japanese 105°C-rated capacitors ensure stability and reliability
- Power signal stability unmatched in its class
- ErP and Energy Star 6.1 ready
- 5-year manufacturer’s warranty
- Product conception, design and quality control in Germany

- Virtually inaudible SilentWings® 3 135mm fan
- Wire-free design inside the PSU
- 80PLUS® Gold efficiency of up to 93%
- Convenient full cable management