CN3K-FAN30CFM-F=: What Is This Cisco Fan Module and How Does It Ensure Optimal Switch Cooling?



Understanding the CN3K-FAN30CFM-F=

The ​​CN3K-FAN30CFM-F=​​ is a Cisco product SKU associated with ​​cooling fan modules​​ designed for Nexus 3000 Series switches. While Cisco’s public documentation does not explicitly detail this specific model, insights from authorized distributors like itmall.sale indicate it is a ​​30 CFM (cubic feet per minute) fan tray​​ engineered to maintain optimal operating temperatures in high-density network environments.


Key Features and Technical Specifications

  • ​High Airflow Capacity​​: Delivers ​​30 CFM​​ to prevent overheating in switches handling intensive workloads.
  • ​Hot-Swappable Design​​: Allows replacement without powering down the switch, minimizing downtime.
  • ​Redundancy Support​​: Works in tandem with other fans to ensure continuous cooling even if one module fails.

Compatibility and Deployment Scenarios

The ​​CN3K-FAN30CFM-F=​​ is compatible with select Cisco Nexus 3000 Series switches, such as the ​​N3K-C3164Q-40GE​​ or ​​N3K-C3232C​​, which are commonly used in:

  • ​Data Centers​​: Cooling switches managing high-speed spine-leaf architectures.
  • ​Enterprise Networks​​: Ensuring reliability in environments with dense server racks.
  • ​High-Temperature Environments​​: Mitigating thermal stress in industrial or outdoor deployments.

Addressing Core User Concerns

​Q: Is this fan module compatible with all Nexus 3000 switches?​
A: No. The ​​CN3K-FAN30CFM-F=​​ is designed for specific Nexus 3000 models. Always verify compatibility using Cisco’s ​​Hardware Compatibility Tool​​ or consult ​itmall.sale​ for guidance.

​Q: Can I mix different CFM-rated fans in the same chassis?​
A: Cisco recommends using ​​identical fan modules​​ to ensure uniform airflow and avoid thermal imbalances.

​Q: How do I troubleshoot a failing fan module?​
A: Most Nexus switches provide ​​real-time alerts​​ via CLI or SNMP. Replace the faulty unit promptly to prevent overheating.


Final Perspective

The ​​CN3K-FAN30CFM-F=​​ may seem like a minor component, but its role in maintaining switch longevity and performance cannot be overstated. In an era where uptime is synonymous with revenue, investing in reliable cooling solutions is non-negotiable. While third-party alternatives might offer cost savings, the risk of incompatibility or premature failure makes genuine Cisco modules the safer choice for mission-critical infrastructure. For network engineers, this fan isn’t just a part—it’s insurance against costly thermal shutdowns.

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