The "K Series" refers to a line of processors developed by Intel that are designed for high-performance computing. These processors are unlocked, allowing users to overclock them for enhanced performance beyond standard specifications. The K Series is popular among gamers and enthusiasts who seek to maximize their system's capabilities. In addition to Intel, the term "K Series" can also refer to a range of graphics cards and other hardware components that complement high-performance computing setups. These products are often used in gaming rigs, workstations, and other applications that require significant processing power and speed.