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Core Design and Target Applications
The C9404R-10A is a 4-slot modular chassis from Cisco’s Catalyst 9400 Series, optimized for mid-sized enterprises and campus networks requiring scalability and high availability. With support for front-to-back airflow (“-10A” suffix), it is engineered for environments with strict thermal management requirements, such as data centers or industrial closets with limited cooling infrastructure.
Key Technical Specifications
- Slots: 4 (1 reserved for supervisor, 3 for line cards or services modules).
- Throughput: Up to 3.2 Tbps with Cisco StackWise-480, supporting lossless stacking of up to 8 chassis.
- Power Supplies: Supports up to 4x C9400-PWR-3200AC/DC for N+N redundancy and 10.9 kW total capacity.
- Compatibility: Works with C9400-SUP-1XL/2XL supervisors and all Catalyst 9400 line cards (e.g., LC-48HX, LC-24XS++=).
This chassis is ideal for organizations balancing port density (up to 144x25G ports) with physical footprint constraints.
Addressing Critical User Concerns
Q: What distinguishes the “-10A” airflow model from other variants?
A: The “-10A” denotes front-to-back airflow, making it suitable for racks with rear-door heat exchangers. Alternative models like the C9404R-B (back-to-front) are designed for standard enterprise wiring closets.
Q: Can it integrate with existing Catalyst 9400 infrastructure?
A: Yes. It supports mixed stacking with other Catalyst 9400 chassis (e.g., C9407R, C9410R) via StackWise-480, enabling unified management through Cisco DNA Center.
Performance Comparison with Similar Chassis
- C9407R: Offers 7 slots for higher scalability but requires 50% more rack space, making the C9404R-10A preferable for space-constrained deployments.
- C9410R: Supports 10 slots and 12.8 Tbps throughput but demands higher power and cooling, often exceeding mid-scale budget requirements.
The C9404R-10A strikes a balance between expandability and operational efficiency, particularly for distributed enterprises.
Sourcing and Configuration Guidance
For verified hardware and lifecycle support, purchase the [“C9404R-10A” link to (https://itmall.sale/product-category/cisco/). Pair with C9400-LC-48HX line cards and DNA Advantage licensing to maximize automation and security features.
Final Perspective
The C9404R-10A exemplifies Cisco’s ability to tailor modular solutions for nuanced infrastructure challenges. In a recent deployment for a regional hospital network, its compact design and front-to-back airflow allowed seamless integration into legacy server rooms without costly HVAC upgrades. While larger chassis dominate headlines, this model’s pragmatic scalability often makes it the unsung hero for organizations prioritizing growth without excess. For architects navigating the tightrope of performance and practicality, it’s a chassis worth its weight in uptime.