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Cisco Nexus 9000 Series Switch N9K-C92348GC-X
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Cisco Nexus 9000 Series Switch N9K-C93600CD-GX
N9K-C93600CD-GX
Cisco Nexus 9000 Series Switch N9K-C9232E-B1
N9K-C9232E-B1
Cisco Nexus 9000 Series Switch N9K-C9396TX
N9K-C9396TX
Cisco Nexus 9000 Series Switch N9K-C9372TX
N9K-C9372TX

New Promotion

-8%
Cisco N3K-C3172PQ-Z8
N3K-C3172PQ-Z8
$750 $690
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Cisco Nexus 9000 Series Switch N9K-C9332D-GX2B
N9K-C9332D-GX2B
$38000 $22800
-38%
Cisco Switch Catalyst 9500 Series C9500-40X-A
C9500-40X-A
$4000 $2500
-49%
Cisco Catalyst 9300 Series Switch C9300-24T-A
C9300-24T-A
$1750 $900
-31%
Cisco MDS 9200 Series Switch DS-C9250I-K9
DS-C9250I-K9
$1600 $1100

New Accessories

IR829-IP54-KIT= - Cisco IR829 Industrial Integrated Services Routers
IR829-IP54-KIT=
ASR-9010-2P-KIT - Cisco ASR 9000 Series Mounting Kit
ASR-9010-2P-KIT
ASR-9010-4P-KIT - Cisco ASR 9000 Series Mounting Kit
ASR-9010-4P-KIT
ASR-9001-2P-KIT - Cisco Router ASR 9001 Mounting Kit
ASR-9001-2P-KIT
ASR-9001-2P-L-KIT - Cisco Router ASR 9001 Mounting Kit
ASR-9001-2P-L-KIT

Cisco Nexus N9K-X9732C-EX: High-Density 400G Line Card for Nexus 9000 Series
Jun 19 , 2025 5

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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