It automatically detects impedance of your head-worn audio device, whether earbuds or high-end headphones to provide optimal audio dynamics - preventing issues such as low volume and distortion. With Smart Fan 5 users can ensure that their gaming PC can maintain its performance while staying cool. Smart Fan 5 allows users to interchange their fan headers to reflect different thermal sensors at different locations on the motherboard. Not only that, with Smart Fan 5 more hybrid fan headers that support both PWM and Voltage mode fans have been introduced to make the motherboard more liquid cooling friendly. Turbo B-Clock Tuning IC in the X299 series motherboards enables overclockers to have the ability to change their BCLK frequency to a desired value of their choice. The tiny cables of the front panel connectors can be hard to manipulate as space is restricted and indicators being tiny. With the G Connector, you can connect all the FP cables at once, simplifying the process of building your next PC and saving you some frustrations.