The be quiet! Straight Power 450W 11 sets new standards for ultra-quiet systems, ignoring even the slightest compromise on power. It boasts numerous high-quality features such as: with an almost inaudible Silent Wings 3 135 mm fan and the funnel-shaped air inlet on the power supply housing increases the air flow. The cable-less design in the power supply on the DC side increases cooling and durability of the components, the comfortable fully modular cable management ensures maximum flexibility and ease of use. The power supply provides 80PLUS Gold certification with an efficiency of up to 93%, increased voltage regulation and stability thanks to advanced LLC, SR and DC / DC technology, four high-performance 12V rails, two PCI-Express connectors for high performance, multi-GPU systems, stable and reliable, designed for temperatures up to 105 ° C Japanese capacitors ErP and Energy Star 6.1 Compliant guidelines. Product conception, design and quality control in Germany.