Enterprise-Class Scalability & Resilience — Cisco N9K-C9504-B3-E Modular Chassis Delivers Scalable, High-Performance Networking for Modern Data Centers.”
Product Description
The Cisco N9K-C9504-B3-E is a modular chassis chassis bundle from the Cisco Nexus 9500 Series, built as a high-performance foundation for core and spine switching in large enterprise and data center networks. Its modular design supports a range of line cards and fabric modules, enabling flexible port speeds from 1 Gbps to 400 Gbps and beyond when fully populated.
Type: Modular High-Performance Data Center Chassis (Layer 2/Layer 3)
Category: Cisco Nexus 9500 Series Core/Spine Switch Bundle
Key Features
Modular High-Density Chassis: The N9K-C9504-B3-E is a modular 7-rack-unit (7U) chassis supporting up to 4 line-card slots and fabric modules, delivering a scalable switching foundation for enterprise and cloud data centers.
Multi-Terabit Performance: Offers multi-terabit non-blocking switching capacity capable of supporting very high-density 1/10/40/100/400 Gbps connectivity when populated with appropriate line cards and fabric modules.
Supervisor & Redundancy: Includes Cisco Nexus supervisor modules and dual system controllers for redundant control-plane operation to enhance uptime and reliability.
Redundant Power & Cooling: Built-in support for multiple hot-swappable power supplies and fan trays ensures high availability and efficient thermal performance.
Flexible Port Speeds: When equipped with compatible line cards, supports a broad range of speeds — from 1 Gbps and 10 Gbps up to 100 Gbps and 400 Gbps — enabling migration paths and mixed fabric deployments.
Advanced Software: Operates with Cisco NX-OS (and optionally ACI mode with licensed features) for modern automation, programmability, routing, and segmentation services.
High Availability Fabric: Fabric modules and chassis design allow scalable and redundant fabric planes to maintain operational continuity under heavy loads.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Chassis Type | Modular 4-slot Nexus 9504 chassis bundle |
| Rack Units | 7U |
| Switching Capacity | Multi-terabit (dependent on line cards) |
| Backplane / Fabric | Scalable Fabric Modules supported |
| Supervisor Modules | Included (with redundancy support) |
| Power Supplies | 3 (hot-swappable; supports more) |
| Fan Trays | 3 (hot-swappable) |
| Layer Support | Layer 2 & Layer 3 (NX-OS/ACI) |
| Physical (H × W × D) | ~12.25 × 17.50 × 33.15 in (311 × 445 × 842 mm) |
| Operating Temp | 0 °C – 40 °C |
| Humidity | 5% – 95% non-condensing |
| MTBF | ~1,038,080 hours |
Typical Use Cases
Data Center Spine/Leaf Core: Acts as the core of highly scalable leaf-spine architectures in enterprise, cloud, and hyperscale environments.
High-Density Aggregation: Aggregates large numbers of line cards and uplinks, providing high throughput and flexibility for distributed networks.
Cloud & Virtual Infrastructure: Supports heavy east-west traffic typical in virtualized environments.
Campus & WAN Core: Delivers robust Layer 2/3 services with high availability for campus cores and WAN aggregation.
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