The SUNON part MF40201VX-1000U-A99 is a high-quality DC fan with an axial vapo bearing system, designed to deliver excellent performance and reliability. With a voltage rating of 12V, this fan provides a powerful airflow of 10.8 cubic feet per minute (CFM), ensuring efficient cooling for your components.Despite its powerful performance, this fan operates whisper-quiet, producing only 27.5 decibels (dB) of noise, ensuring a peaceful and undisturbed environment. The compact size of 40 x 40 x 20mm makes it ideal for applications where space is limited, without compromising on cooling capabilities.With its super high-speed motor, the MF40201VX-1000U-A99 fan guarantees efficient heat dissipation, preventing overheating and preserving the lifespan of your electronic devices. Trust SUNON for top-notch cooling solutions, and experience the benefits of their reliable and innovative design with this exceptional DC fan.