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Cisco Nexus N9K-X9464TX: High-Density 10/25G Ethernet Module
Jun 19 , 2025 73

Cisco Nexus N9K-X9464TX: High-Density 10/25G Ethernet Module


N9K-X9464TX


Product Overview
The Cisco Nexus N9K-X9464TX is a 64-port 10/25G Ethernet module designed for the Nexus 9000 Series switches, providing high-density server connectivity for modern data centers. This line card delivers flexible, high-performance networking with advanced features for cloud and enterprise environments.

Key Specifications:

  • Port Configuration: 64 x 10/25GBASE-T RJ45 ports

  • Throughput: 1.28Tbps switching capacity

  • Latency: <2μs port-to-port

  • Power Efficiency: 3.5W per port typical

  • Cooling: Side-to-side airflow (TX variant)

  • Compatibility: Nexus 9504/9508/9516 chassis

Performance Features:
✔ Auto-negotiation between 10G and 25G speeds
✔ Support for jumbo frames (up to 9216 bytes)
✔ Flexible buffer allocation per port
✔ Advanced QoS and traffic management
✔ Hot-swappable design

Next-Generation Evolution: Nexus N9K-X9664TZ (Projected 2025)

Major Enhancements:

  • Port Configuration: 64 x 25/50GBASE-T ports

  • Throughput: 3.2Tbps (2.5x improvement)

  • Latency: <1μs (50% reduction)

  • New Capabilities:

    • AI-driven traffic optimization

    • Dynamic buffer management

    • Enhanced telemetry

    • 40% better power efficiency

  • Compatibility: Backward compatible with existing chassis

Why Upgrade?

  • Support for higher-speed server connections

  • Improved performance for NVMe-over-Fabrics

  • Better energy efficiency

  • Advanced network visibility

  • Future-proof investment

Conclusion:
The N9K-X9464TX provides reliable high-density 10/25G connectivity, while the N9K-X9664TZ represents the next evolution with higher speeds, lower latency, and intelligent features. This progression maintains backward compatibility while delivering the performance needed for next-generation applications and storage solutions.

Tags: linecard cisco N9K-X9464TX

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