Dark Power 13 is the most progressive power supply series be quiet! has ever built. An unrivaled efficiency of up to 95.8% earns the PSU its 80 PLUS® Titanium certification. This makes the Dark Power 13 series a paragon of efficiency. Next to an unmatched efficient operation, the patented frameless fan concept with a Silent Wings fan guarantees an optimized cooling effect and a virtually inaudible operation. The overclocking key allows to manually switch between multi-rail and single-rail operation. Dark Power 13’s ATX 3.0 compliance and compatibility with both PCIe 5.0 GPUs and GPUs with PCIe 6+2 connectors underlines its claim to be the high-end PSU of choice for all sophisticated users with next-gen graphics cards, or plans to upgrade.