be quiet! System Power 11 U Series Power Supply Units Launched

👤by Michael Pabia Comments 📅22.04.2025 11:17:39
Press Release



be quiet! introduces its new System Power 11 U series of power supplies, delivering between 550W and 750W to address the needs of efficiency-oriented PC builders. With compatibility for ATX 3.1 and PCIe 5.1, these PSUs offer future-proof technical design features and proven reliability, making them a standout choice in the entry-level segment. All models are available in 80 PLUS Bronze efficiency and continue the tradition of quiet operation and dependable performance that the System Power series is known for.

Reliable performance and future-ready features
System Power 11 U has been developed for users who don’t want to compromise on stability, safety, or silence. The series supports PCIe 5.1 GPUs via a 12V-2x6 connector as well as up to three 6+2 PCIe connectors, making it a reliable choice for today’s systems and those to come. A strong single 12V-rail ensures rock-solid power delivery, while DC-to-DC conversion technology guarantees tight voltage regulation for both GPU and CPU power demands.

Quiet operation and efficient cooling
All System Power 11 U models feature a temperature-controlled 120mm fan that provides optimal cooling while maintaining the low noise levels be quiet! is renowned for. The PSU’s silence-optimized design ensures quiet operation even under highest loads. Combined with attractive black flat cables for most connectors, System Power 11 U blends modern aesthetics with functional airflow improvements.

Energy efficiency and safety
The series includes models certified with 80 PLUS® Bronze, achieving high efficiency and minimizing energy loss. A comprehensive set of safety protections, including overcurrent (OCP), overvoltage (OVP), undervoltage (UVP), overload (OPP), short-circuit (SCP), and overtemperature (OTP) helps safeguard valuable components. All System Power 11 U power supplies are designed, quality-controlled, and conceived in Germany. They come with a full 5-year manufacturer’s warranty.

Availability and Pricing
The be quiet! System Power 11 U will be available in retail starting Tuesday, May 6 at the following suggested retail prices: $79.90 (750W), $69.90 (650W), and $59.90 (550W).


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