Fangrui Product Details Optimal Cooling Performance: The Snowman Mt6 Cpu Cooler Features Six High-efficiency Heat Pipes And Two 12cm Fan, Ensuring Superior Heat Dissipation And Maintaining Optimal Cpu Performance. Pwm Control: With A 4-pin Pwm Connector, This Cooler Adjusts The Fan Speed Automatically Based On Cpu Temperature, Providing A Balance Between Cooling Efficiency And Noise Reduction. Quiet Operation: Designed For Minimal Noise Output, The Snowman Mt6 Operates Quietly, Making It Ideal For Use In Any Desktop Environment Without Adding Disruptive Noise. Compatibility: This Cooler Is Compatible With A Variety Of Cpu Sockets, Making It A Versatile Choice For Many Desktop Computers. Fan Speed:800-1500rpm Bearing:hydraulic Bearing Power Interface:4-pin Fan Type:4-pin Pwm Fan Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Will Not Affect Use Colour:blackwhite Material:abs+metal Package Contents: 1 X Cpu Cooler 1set X Installation Accessories Only The Above Package C