I pulled this out of a Dell PowerEdge R610 recently, has 6 fans and worked fine without any issues for a few years while i’ve owned it. Thanks! Ebay AI description: The Dell PowerEdge R610 Fan Module Assembly is a critical component for maintaining optimal cooling in a server environment. Designed by Dell specifically for the PowerEdge product line, this fan assembly cage ensures efficient airflow and temperature management for reliable server performance. Ideal for businesses looking to enhance their networking and server capabilities, this product is a key component in ensuring high availability and uptime in enterprise networking setups.