Proven Reliability, Quiet Operation

System Power 11 450W has been built with value-oriented users in mind that do not want to pass on reliability and quietness. Elaborated features such as ATX 3.1 compatibility and a temperature-controlled fan underline the value System Power 11 450W offers even at entry-level.

ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
Temperature-controlled 120mm quality fan reduces system noise
Rock-solid stability with a strong 12V-rail
Tight voltage regulation using DC-to-DC technology
One PCIe 5.1 12V-2x6 300W and 2 PCIe 6-2 connectors
Stand-by drain of less than 0.15 watts
80 PLUS® Bronze efficiency (up to 89.7%)

FUTURE-PROOF YOUR SYSTEM | Fulfills all ATX 3.1 specifications

System Power 11 450W is an ATX 3.1 PSU and comes with both native integration of the 12V-2x6 connector for next-generation PCIe 5.1 graphics cards, and PCIe 6+2-pin connectors for support of current-gen GPUs. It handles power excursions up to double its rated power with ease. This makes the PSU versatile and the perfect choice for systems of today and the ones to come.

VERY QUIET OPERATION | High-quality fan for low noise

System Power 11 450W is equipped with a temperature-controlled 120mm quality fan. It provides the low noise operation that be quiet! is famous for, offering remarkable quietness at this price-level.

HIGH PERFORMANCE FOR YOUR SYSTEM | Proven reliability for CPU and GPU

System Power 11 450W provides stable and dependable power for CPU and GPU. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load.

80 PLUS® BRONZE CERTIFICATION | Efficient operation

The 80 PLUS® Bronze certification of System Power 11 450W Bronze with an efficiency rating of up to 89.7% is convincing evidence of this PSU's power saving operation.

STRONG 12V RAIL | For a stable PCIe graphics support

System Power 11 450W provides enough power for demanding graphics cards. Safety protections defend against overcurrents, over- and undervoltages, overtemperature, short circuits and overloads, thus keeping your valuable components safe.