The CFM-4028BG-180-369-20 DC axial fan, manufactured by SAME SKY, is designed for efficient and reliable cooling. This 40x40x28mm fan operates on 12VDC and utilizes a ball bearing system, providing enhanced durability and a longer operational life compared to sleeve bearing alternatives. The integrated tachometer output allows for precise monitoring of the fan's rotational speed, enabling optimal system performance and temperature control. This fan is suitable for a wide range of applications, including electronics cooling, server cooling, and general ventilation. As an authorized distributor of SAME SKY components, Supreme Components International guarantees the authenticity and quality of this product. Benefit from our expert support and fast shipping when you purchase from us.