The SAME SKY CFM-4028BG-1230-598-22 is a high-performance DC axial fan designed for various cooling applications. With dimensions of 40x40x28mm, this fan is ideal for space-constrained environments. It operates on a 12VDC power supply and utilizes a ball bearing system, providing enhanced durability and reduced noise levels compared to sleeve bearing fans. The integrated tachometer output allows for precise monitoring of the fan's rotational speed, enabling efficient system management and temperature control. Supreme Components International is an authorized distributor of SAME SKY electronic components. This DC fan is suitable for electronics cooling, server cooling, and other applications requiring reliable airflow.