Cisco FAN-MOD-4HS High-Speed Fan Module for Cisco 7604/6504-E Chassis

The Cisco FAN-MOD-4HS High-Speed Fan Module is a hot-swappable, modular fan tray that provides high-speed forced-air cooling for Cisco 7604 routers and Catalyst 6504-E switches. Designed for high-density environments, it delivers high-performance airflow to keep internal routing and switching components within operating temperatures in Cisco 7600 Series and Catalyst 6500 Series platforms, making it suitable for enterprise data centers and telecom network infrastructure. Its MPN is FAN-MOD-4HS, and it is compatible with Cisco 7604 and 6504-E chassis, supporting chassis thermal management and cooling redundancy; common replacements include FAN-MOD-4HS2, FAN-MOD-4, and WS-C6504-E-FAN.