Integrated 360mm Fan DesignEach 360mm fan unit combines three 120mm fans into one clean, unified frame. This 2-pack includes two 360mm fan units, giving you six 120mm fan positions for stronger case or radiator cooling ^^ Smart PWM Speed ControlThe 4-pin PWM interface automatically adjusts fan speed from 600 to 1650 RPM 10%, helping balance cooling performance and noise based on your system temperature ^^ High Airflow Cooling PerformanceWith up to 64.61 CFM airflow, the U3TC6 case fans help improve heat dissipation and maintain stable performance for gaming PCs, workstations, and high-airflow PC builds ^^ 5V ARGB Motherboard SyncBuilt-in 5V 3-pin ARGB lighting connects to compatible motherboard headers, allowing synchronized lighting effects and vibrant customization for your PC case ^^ Daisy Chain Cable DesignThe daisy chain connection reduces cable clutter by linking fans in series and using fewer motherboard headers, making installation cleaner, easier, and more organized ^^ Pre-Installed Anti-Vibration PadsEach fan comes with large rubber pads to absorb vibration and reduce resonance noise, helping provide smoother operation and a quieter PC cooling environment