No compromise on silence and performance. The Dark Power 13 1000 W from be quiet! guarantees a certified 80 PLUS® Titanium efficiency. It features a fanless design that ensures impeccable cooling while remaining nearly inaudible. Its high-end features and compliance with the ATX 3.1 standard, making it compatible with next-generation graphics cards, make it the ultimate reference among 1000-watt power supplies. 80 PLUS Titanium efficiency (up to 95.2%) Fully ATX 3.1 compatible power supply with PCIe 5.1 graphics cards and those equipped with 6+2 pin connectors Capable of handling very high load variations Enhanced fan with Silent Wings frame for virtually inaudible operation Mesh ventilation grille with funnel-shaped air intake for better airflow The overclocking key allows you to choose between 4 12V rails and a single massive 12V rail Active Rectifier + full bridge LLC technology ensures unmatched signal stability and extremely high energy efficiency, regardless of the load Modular cable management for maximum comfort One PCIe 5.1 12V-2x6 600 W connector and 4 PCIe 6+2 connectors for high-end overclocked graphics cards. 10-year manufacturer's warranty.