be quiet! STRAIGHT POWER 11 650W - Fully Modular - 80+ Platinum Certified - 5 Years Warranty - Number 1 PSU in Germany

Overview

The be quiet! STRAIGHT POWER 11 650W is a fully modular, high-efficiency power supply unit (PSU) designed for silent operation and superior power stability. With an 80+ Platinum certification, it achieves up to 94% efficiency, minimizing energy waste and heat output. Its fully modular cable design enhances cable management and improves airflow. Featuring advanced cooling technology with a Silent Wings 3 135mm fan, the STRAIGHT POWER 11 650W delivers whisper-quiet performance. Engineered with top-tier components and protection features, it ensures long-term durability and system safety. Recognized as the number one PSU in Germany, it comes with a 5-year warranty, making it an excellent choice for gamers, content creators, and professionals seeking premium power solutions.

How to Install the be quiet! STRAIGHT POWER 11 650W

1. Power Down Your System – Unplug your PC to ensure safety during installation.
2. Open Your PC Case – Locate the PSU mounting area.
3. Position the PSU Correctly – Align it with the vent for proper airflow.
4. Secure the PSU – Use the provided screws to fasten the PSU in place.
5. Connect the Required Cables – Attach only the necessary modular cables to reduce clutter.
6. Plug in Components – Connect power cables to your motherboard, GPU, CPU, and storage devices.
7. Manage Cables – Tidy up wires for better airflow and a clean build.
8. Reconnect Power and Boot Up – Verify that the system starts and runs smoothly.

Service, License, and Plans

The be quiet! STRAIGHT POWER 11 650W is a hardware product and does not require software licenses or subscription plans. It includes a 5-year manufacturer’s warranty, ensuring protection against defects and malfunctions.

Key Differences in the STRAIGHT POWER 11 Series

The STRAIGHT POWER 11 series is available in multiple wattages, ranging from 450W to 1000W, catering to different PC configurations and power needs. The 650W model is optimized for mid-range gaming setups and workstation builds, offering premium efficiency with silent operation.

10 Key Features of the be quiet! STRAIGHT POWER 11 650W

1. 80+ Platinum Efficiency – Reaches up to 94% efficiency, reducing power consumption.
2. Fully Modular Cable Management – Provides flexibility and improved airflow.
3. Silent Wings 3 135mm Fan – Ensures ultra-quiet cooling and optimal airflow.
4. Stable Power Delivery – Advanced LLC + SR + DC/DC technology for consistent performance.
5. High-Quality Japanese Capacitors – Enhances longevity and reliability under load.
6. Multi-GPU Ready – Includes PCIe connectors for dual graphics card setups.
7. Comprehensive Protection Mechanisms – Equipped with OCP, OVP, UVP, SCP, OTP, and OPP for safety.
8. Optimized for Modern Systems – Compatible with Intel and AMD processors.
9. Compact ATX Design – Fits into most PC cases with ease.
10. 5-Year Warranty – Ensures long-term reliability and support.

Competitor Products

1. Corsair HX650 – A fully modular 80+ Platinum PSU with efficient power delivery and quiet operation.
2. Seasonic Prime PX-650 – Offers premium build quality, modular cables, and high efficiency.

The be quiet! STRAIGHT POWER 11 650W is a premium PSU choice for users who demand ultra-silent operation, high efficiency, and reliable power delivery. As the number one PSU in Germany, it is trusted for high-performance gaming, professional workloads, and silent computing.