The AVC DATA0456B2H 40mm 4-Pin Ball Bearing Server Fan is designed specifically for Dell servers, providing a maximum airflow volume of 17.1 CFM and a maximum fan speed of 15000 RPM. With a compact size of 40mm in diameter and 56mm in length, this fan is suitable for various server cooling needs. The 4-pin connector ensures easy installation, while the ball bearing design guarantees smooth operation and durability. Backed by a 1-year manufacturer warranty, this AVC fan is a reliable choice for enhancing the performance and longevity of your server components.