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Cisco A9K-2T20GE-B Line Card for ASR 9000 Series RSP
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Cisco Nexus 9000 Series Switch N9K-C92348GC-X
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Cisco Nexus 9000 Series Switch N9K-C93600CD-GX
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Cisco C6800-8P40G-XL Catalyst 6800 Series 8-Port 40 Gigabit Ethernet Module
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C6800-48P-TX-XL Cisco 6807 Switch Gigabit Ethernet Copper Module with DFC4XL
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A9K-RSP880-SE Cisco ASR 9000 Series Route Switch Processor 880
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Cisco 6807 C6800-48P-SFP-XL Line Card
C6800-48P-SFP-XL
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IR829-IP54-KIT= - Cisco IR829 Industrial Integrated Services Routers
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ASR-9010-2P-KIT - Cisco ASR 9000 Series Mounting Kit
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ASR-9010-4P-KIT - Cisco ASR 9000 Series Mounting Kit
ASR-9010-4P-KIT
ASR-9001-2P-KIT - Cisco Router ASR 9001 Mounting Kit
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ASR-9001-2P-L-KIT - Cisco Router ASR 9001 Mounting Kit
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Cisco Nexus N9K-X9732C-EX: High-Density 400G Line Card for Nexus 9000 Series
Jun 19 , 2025 138

Cisco Nexus N9K-X9732C-EX: High-Density 400G Line Card for Nexus 9000 Series


N9K-X9732C-EX


Product Overview

The Cisco Nexus N9K-X9732C-EX is a 32-port 400G QSFP-DD line card designed for the Nexus 9000 Series switches, delivering ultra-high-speed connectivity for modern data centers. Built for cloud-scale networking, it supports high-bandwidth applications like AI/ML, big data, and high-performance computing (HPC) with ultra-low latency and advanced telemetry.

Key Features & Specifications

✔ 32 x 400G QSFP-DD ports (breakout capable to 4x100G)
✔ 12.8Tbps forwarding capacity (non-blocking)
✔ Sub-1µs latency for latency-sensitive workloads
✔ Cisco Silicon One ASIC for programmable forwarding
✔ MACsec encryption (256-bit AES) for secure traffic
✔ AI-driven telemetry with real-time analytics
✔ Hot-swappable design for high availability

Deployment Scenarios

  • AI/ML cluster interconnects

  • Hyperscale data center spine/leaf networks

  • High-frequency trading (HFT) environments

  • 400G metro/cloud interconnect

Next-Generation Evolution: Nexus N9K-X9664C-FX (Projected 2026)

Major Enhancements

64 x 800G OSFP ports (breakout to 2x400G or 8x100G)
25.6Tbps forwarding capacity (2x improvement)
Sub-500ns latency for extreme low-latency apps
Post-quantum cryptography-ready MACsec
AI-powered congestion control
40% lower power per bit

Why Upgrade?

Supports next-gen 800G optics & standards
Ideal for AI/ML expansion & distributed computing
Future-proof security against quantum threats
Higher density with reduced power consumption

Conclusion

The N9K-X9732C-EX is a cutting-edge 400G solution, while the N9K-X9664C-FX pushes boundaries with 800G, AI-driven optimization, and quantum-safe security. Designed for next-gen data centers, it ensures scalability, intelligence, and efficiency for tomorrow’s most demanding workloads.

Tags: linecard cisco N9K-X9732C-EX

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