This is a CPU and GPU cooling fan unit compatible with Dell XPS 15 9500 and Dell Precision 5550 laptops. The unit is made of aluminum, plastic, and copper materials and has a ball bearing type. It has a maximum airflow volume of 10 CFM and a maximum fan speed of 1500 RPM. The fan diameter is 45mm, and it has a 4-pin power connection. The packaging is a blister pack, and it is manufactured in China.