Features: 【Intelligent Temperature-Controlled Speed Regulation】This fan employs PWM technology to intelligently adjust rotational speed based on CPU temperature, delivering efficient cooling while maintaining quiet operating. 【Silent Running Experience】Featuring premium bearings, this fan maintains low noise levels even during full-speed operating. 【Wide Compatibility】Supports multiple motherboard interfaces, offering flexible installation option with straightforward connection requiring not need additional adapters. 【Durability Combination】Constructed from plastic and metal, it combines lightweight properties with robust build quality, extending the products life. 【High-Efficiency Cooling Performance】The 12cm large-diameter design increases airflows, enhancing overall thermal dissipation. Specifications: Component: Plastic + Metal Size:about 120x120mm/4.72x4.72in 1600RPM 12V 4Pin PWM Serializable CPU Cooling Features: Temperature control speed regulation, PWM function quiet design for various CPU models, low noise operating Color:Black/ White Package Includes: 1PC 12CM temperature control speed regulation PWM CPU Fan note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution