Let Your Lights Do The Talking Made for those seeking excellent airflow, quiet operation, and powerful lighting, the CORSAIR LL140 RGB fan puts your PC back in the loop. Create a Symphony of Color The CORSAIR LL140 RGB LED PWM fan boasts 16 independent RGB LEDs across two separate light loops to create vibrant lighting and visual effects. Two RGB Light Loops 16 Independent RGB LEDs in every fan, split between two separate light loops, allow for nearly endless customization. Expansion Kit This product is intended as an expansion of the LL140 RGB LED 2 fan kit with Lighting Node PRO. The RGB functionality of this product requires an RGB Lighting hub and Lighting Node PRO. Complete PWM Control Dynamically control fan speed from 600 RPM to 1,300 RPM to minimize noise or maximize airflow. Created for Quiet 140mm Fan blade engineered for low-noise operation without sacrificing performance. Complete Cooling Control Using an optimized 140mm fan blade and PWM control, set the speed of the fan anywhere from 600 RPM to 1,300 RPM for precise noise and airflow adjustment.