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

Proven Reliability, Quiet OperationSystem Power 11 550W 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 550W offers even at entry-level.ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectorsTemperature-controlled 120mm quality fan reduces system noiseRock-solid stability with a strong 12V-railTight voltage regulation using DC-to-DC technologyOne PCIe 5.1 12V-2x6 300W and 2 PCIe 6-2 connectorsDependable operation to support powerful GPUsStand-by drain of less than 0.15 watts80 PLUS® Bronze efficiency (up to 89.7%)Attractive black flat cablesComplete suite of top safety featuresProduct conception, design and quality control in Germany