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be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black

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Compare today's prices on the "be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black".

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Last Updated: 06/11/2026
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Product Description

Compare today's prices on the "be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black".

be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black

This power supply unit delivers stable and efficient power for your system, with full support for modern ATX 3.1 standards and PCIe 5.1 graphics cards. Its temperature-controlled 120mm fan keeps noise levels to a minimum, making it an ideal choice for quiet, reliable operation in home and office PCs.

- ATX 3.1 compliant for compatibility with the latest hardware

- Supports PCIe 5.1 GPUs as well as older 6+2 pin connector graphics cards

- Temperature-controlled 120mm quality fan for near-silent operation

- Rock-solid voltage regulation ensures steady performance under load

- 80 PLUS Bronze efficiency rating for reduced energy waste

- Four SATA connectors and a full set of protection circuits (OCP, OVP, SCP, etc.)

- Black cabling with a 20+4 pin main connector for flexible motherboard compatibility

For a dependable, quiet, and future-ready power supply that handles both modern and legacy components, the System Power 11 is an excellent choice.

GTIN: 4260052191866