Fangrui Product Details Fangrui Product Details Enhance Your Raspberry Pi 5s Performance With The Argon 30mm Active Cooler. This Advanced Cooling Solution Features A Pwm-controlled Fan That Dynamically Adjusts Speed Based On System Temperature, Ensuring Optimal Cooling Without Excessive Noise. The High-quality Aluminum Fins Provide Superior Passive Cooling, Effectively Dissipating Heat And Maintaining System Stability Even Under Heavy Load. Ideal For Tech Enthusiasts And Professionals Looking To Push Their Raspberry Pi 5 To New Limits. Input Voltage: 5v Dc, Provided Via The Four-pin Fan Header On The Raspberry Pi 5 Fan Speed Control: Tachometer Pwm Control Maximum Air Volume: 1.09 Cfm Maximum Fan Speed: 8000 Rpm +/- Colour:a Black Material:aluminum Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Will Not Affect Use Package Contents: 1 * Radiator Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Pic