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

Jun 19 , 2025 417

TL;DR: Product OverviewThe 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.

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

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.

FAQ

Q: What is major Enhancements?

A: Port Configuration: 64 x 25/50GBASE-T ports Throughput: 3.2Tbps (2.5x improvement) Latency: <1μs (50% reduction)

Q: What is compatibility: Backward compatible with existing chassisWhy Upgrade?

A: Support for higher-speed server connections Improved performance for NVMe-over-Fabrics Better energy efficiency