Cisco Catalyst 9000 Series: C9500-NM-8X – High-Density 10G/25G Ethernet Network Module

Product Overview

The Cisco C9500-NM-8X is an 8-port 10G/25G Ethernet network module designed for Catalyst 9500 Series switches, delivering high-performance uplink connectivity and flexible expansion for enterprise core, distribution, and data center deployments. This advanced module provides scalable bandwidth capacity while maintaining operational simplicity in demanding network environments.

Key Features & Specifications

Hardware & Performance

• Port Configuration:

• 8 x 10G/25G SFP28 ports (auto-sensing for flexible deployment)

• 200G aggregate throughput per module

• Support for both fiber and copper SFP28 transceivers

• Performance Characteristics:

• Sub-microsecond latency (<800ns)

• Jumbo frame support (up to 9216 bytes)

• Non-blocking architecture with full line-rate forwarding

• Physical Specifications:

• Hot-swappable design for zero downtime maintenance

• Front-accessible status LEDs for easy monitoring

• Operating temperature: 0°C to 45°C (32°F to 113°F)

Software & Management

• Cisco IOS XE Integration:

• Full compatibility with DNA Center for centralized management

• Support for advanced features including VXLAN, QoS, and sFlow

• MACsec 256-bit encryption for enhanced security

• Deployment Flexibility:

• Stacking support across Catalyst 9500 switches

• Consistent policy enforcement across all ports

• Automatic module detection and configuration

Use Case Applications

✔ High-speed data center interconnects
✔ Enterprise core network aggregation
✔ High-performance computing environments
✔ Bandwidth-intensive application support
✔ Next-generation wireless backhaul

Next-Generation Successor: C9500-NM-8XG (Projected 2026 Release)

Evolutionary Improvements

Strategic Advantages

1. 50G Readiness – Supports next-generation bandwidth requirements

2. Enhanced Performance – Lower latency and higher throughput

3. Energy Efficient Design – Reduced power consumption per port

4. Advanced Security – Protection against quantum computing threats

5. Backward Compatibility – Works with existing Catalyst 9500 chassis

Migration Considerations

• Backward Compatibility: Works in existing Catalyst 9500 switches

• Deployment Scenarios:

• High-density 50G server connectivity

• AI/ML workload support

• Next-generation wireless infrastructure

• Financial Planning:

• 30% cost premium with 2.5-year ROI through operational efficiencies

Conclusion

The C9500-NM-8X delivers high-performance 10G/25G expansion for Catalyst 9500 switches, while the C9500-NM-8XG represents the future of network connectivity with:

• 50G capability

• Sub-400ns latency

• Enhanced energy efficiency

• Quantum-resistant security

• Seamless backward compatibility

Alternative Title Concepts

1. "From 25G to 50G: The Network Evolution Continues"

2. "The Intelligent Uplink: Powering Next-Gen Networks"

3. "Beyond Bandwidth: The Future of Network Performance"

4. "The Quantum-Ready Network: Secure, Fast, Efficient"