The N6K-C6001-FAN-B is a fan module designed for Cisco Nexus 6000 Series switches, specifically the 6001 model. This component features a back-to-front airflow configuration, drawing cool air from the port side intake and expelling it toward the rear of the chassis. It is engineered to maintain optimal operating temperatures within the device, supporting reliable performance and efficient heat dissipation. The module is compatible with the standard fan trays and power supplies of the Nexus 6000 Series, providing a straightforward upgrade or replacement option for system administrators managing high-density data center environments.