be quiet! System Power 11 550W - PSU, 80 Plus Bronze

The be quiet! System Power 11 provides an ideal combination of power, quietness, and reliability for your PC build. Delivering a steady 550W of continuous output, this power supply is perfect for mainstream systems that require stable and efficient energy. Its 80 PLUS Bronze certification ensures up to 89.7% efficiency, which means less wasted energy, lower heat generation, and reduced electricity costs. This focus on efficiency results in a cooler and quieter system, letting you focus on your work or gaming without distraction.

Engineered for dependable performance, the System Power 11 features a high-quality, temperature-controlled 120mm fan that balances effective cooling with famously low noise levels. The unit is built with a full suite of top-tier safety protections, safeguarding your valuable components against over-voltage, short circuits, and other electrical irregularities. With its fixed, non-modular cables and standard ATX 3.1 form factor, installation is straightforward, making it an excellent choice for both new builders and those performing system upgrades.

• Provides 550W of continuous power
• Features 80 PLUS Bronze certified efficiency
• Cooled by a quiet, temperature-controlled 120mm fan
• Standard ATX form factor for broad compatibility
• Fixed, non-modular cables for easy installation
• Includes a full suite of safety protections (OVP, UVP, OCP, OPP, SCP, OTP, SIP)
• Equipped with multiple PCIe connectors for graphics cards
• Features 5 SATA power connectors for storage drives