The DELTA PRODUCTS GFC0412DS-DV17 is a high-performance fan designed to provide reliable cooling for various electronic devices. With its compact size of 40x40x56mm, this fan can fit into tight spaces without compromising on efficiency. Operating at 12VDC, this fan offers enhanced power and ensures consistent airflow to prevent overheating. The inclusion of PWM control allows for precise speed adjustments, enabling users to find the optimal balance between cooling and noise levels.Equipped with a speed sensor (Tach), this fan provides real-time RPM monitoring, allowing for accurate performance measurement. This feature ensures that the fan is operating at the desired speed and provides a safeguard against any potential malfunctions.The DELTA PRODUCTS GFC0412DS-DV17 is a top choice for manufacturers and enthusiasts in need of a reliable and efficient cooling solution. Its combination of compact design, PWM control, and speed sensor technology make it an ideal choice for a wide range of applications.