Cisco NCS 5001 Router Fan — Back-to-Front AirflowThe Cisco Cooling Fan is a purpose built replacement part designed to keep your Cisco router operating at peak temperatures, ensuring dependable performance even under demanding workloads. Engineered for reliability in data centers, campus networks, and enterprise environments, this fan delivers efficient airflow to prevent overheating, maintain consistent throughput, and extend the life of your networking hardware. Built to Cisco quality standards,