The Genuine Dell Inspiron 15 3511 3520 3525 CPU Cooling Fan RFF51 0RFF51 F2,3 is a high-quality CPU cooling fan designed for Dell laptops. It features a magnetic bearing, aluminum, plastic, and copper construction, and a maximum airflow volume of 5 CFM. The fan has a 65mm diameter, a 4-pin power connection, and operates at a maximum fan speed of 1500 RPM, ensuring optimal cooling performance for the CPU and GPU processor. With a manufacturer warranty of 3 months and a voltage of 5V, this CPU fan with heatsink is a reliable and efficient component for maintaining your computer's temperature levels.