PWM Control Extension: Extend PWM fan cables from motherboard headers with this 4-pin fan extension cable. Eliminate the need for separate fan controllers, enabling fans to spin at synchronized speeds using motherboard PWM control. Enhanced Cable Management: The sleeved PC fan extension cable facilitates better cable management and reduces stress on connections in your computer case. Ideal for gaming rigs needing additional fans for quiet operation and effective cooling during overclocking. Airflow Optimization for Mining Rigs: This fan extension cable is perfect for optimally placing cooling fans in mining rigs, ensuring maximum airflow. Re-route cables with ease when adding extra storage, maintaining optimal cooling efficiency. Versatile 4-Pack for Multiple Fans: A cost-effective 4-pack of PWM extension cables provides a comprehensive solution for your PC. 4-pin plugs send RPM signals for fan speed synchronization, while 3-pin connect