The MF50151V2-1000U-A99 is a fan unit from Sunon. It is a 1.0 inch square fan, with a frame size of 50 x 50 mm and a thickness of only 15 mm. This unit features a high-speed, long-life motor, a dual ball bearing system, and advanced airfoil design for improved cooling performance. The fan can support a speed of up to 10,000 RPM and an airflow of up to 2.78 CFM. Additionally, this fan operates at an input voltage of 12 VDC, with a power draw of only 0.85 W. The unit also features a red LED indicator, a tachometer output, and a 2-pin wire connector to facilitate easy installation.