The cooling fan is ideal for users seeking to upgrade their computer's cooling system. Its brushless motor ensures smooth and quiet operation, while the dual ball bearings provide enhanced reliability. This fan is easy to install in any desktop case, making it a convenient for maintaining optimal temperatures and prolonging the lifespan of your components. Features -Color:Black -Material:Plastic -Size:12.00X12.00X2.50cm/4.72X4.72X0.98in - performance: dual ball bearings extend the fan's operational life and lower maintenance needs, making it suitable for longterm use in servers and highperformance pcs. -Quiet cooling: the dc brushless motor ensures efficient cooling with low noise levels, providing a quiet environment for work or gaming. -Improved air circulation: the 12cm large fan enhance airflow, effectively lowering the internal temperature of the case, boosting hardware stability and performance. -Universal fit: compatible with various computer cases, this fan is easy to install, optimizing the cooling system to prevent overheating and extend equipment lifespan. -Automatic speed control: features precise temperature control technology that automatically adjusts the fan speed, balancing cooling efficiency and energy use, suitable for complex tasks. Package list: 2pcs x Computer case fans