The "K-series" refers to a line of processors developed by AMD that are designed for high performance and overclocking capabilities. These processors are part of the Ryzen family and are identified by a "K" suffix in their model numbers, indicating that they are unlocked for easier overclocking. This allows users to increase the clock speed beyond the factory settings for improved performance in gaming and demanding applications. K-series processors are popular among enthusiasts and gamers due to their ability to deliver superior performance at competitive prices. They typically feature multiple cores and threads, enhancing multitasking and overall efficiency. The K-series is often compared to Intel's unlocked processors, which also cater to users looking for enhanced performance through overclocking.