Cisco Nexus N9K-X9716D-GX 16-Port 400G QSFP-DD Cloud-Scale Line Card
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Call Now: +971-4-3360300Key Features Of The Cisco Catalyst N9K-X9716D-GX
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16 × 400G QSFP-DD high-density Ethernet ports
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6.4 Tbps throughput per line card
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Supports 400G, 200G, 100G, 50G, 40G, 25G, and 10G Ethernet speeds
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Flexible breakout support for 4×100G, 2×100G, 4×50G, 4×40G, 4×25G, and 4×10G
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80 MB packet buffer for high-performance traffic handling
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Line-rate MACsec encryption on all 16 front-panel ports
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Supports Cisco NX-OS and Cisco ACI
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Based on Cisco LS6400GX ASIC technology
Cisco Nexus N9K-X9716D-GX 16-Port 400G QSFP-DD Cloud-Scale Line Card
The Cisco Nexus N9K-X9716D-GX is a high-density 400-Gigabit Ethernet Cloud-Scale line card designed for Cisco Nexus 9500 Series modular data center switches. It provides 16 × 400G QSFP-DD ports, advanced breakout flexibility, high-performance forwarding, and support for Cisco NX-OS and Cisco ACI environments.
Product Overview
The Cisco Nexus N9K-X9716D-GX is a 400-Gigabit Ethernet line card built for high-performance Cisco Nexus 9500 Series data center architectures. It provides 16 front-panel QSFP-DD ports and is designed to deliver high-density connectivity for modern spine, core, aggregation, and high-bandwidth data center networks.
The line card uses Cisco Cloud-Scale architecture and provides a scalable forwarding platform for demanding Layer 2 and Layer 3 workloads. Cisco specifies 12.8 Tbps performance and 4.3 billion packets per second for the N9K-X9716D-GX, with a 160 MB packet buffer for handling demanding traffic patterns.
High-Density 400G Port Architecture
The N9K-X9716D-GX provides 16 × 400G QSFP-DD front-panel ports, enabling organizations to build high-capacity data center links while reducing rack-space and port-density requirements.
400G Connectivity
Each front-panel port can operate as a 400 Gigabit Ethernet interface when populated with a compatible QSFP-DD transceiver.
High-Density Design
Sixteen 400G interfaces provide a compact high-bandwidth platform for modern data center spine and high-performance network architectures.
Cloud-Scale Architecture
The line card is designed around Cisco Cloud-Scale ASIC technology for scalable forwarding and high-performance data center networking.
Data Center Ready
Suitable for high-bandwidth spine, core, aggregation, and large-scale data center deployments.
Flexible Breakout Connectivity
One of the major advantages of the N9K-X9716D-GX is its flexible breakout capability. Cisco specifies support for multiple Ethernet configurations depending on the installed transceiver, breakout cable, and software support.
- 1 × 400G Ethernet per QSFP-DD port
- 4 × 100G Ethernet breakout
- 2 × 100G Ethernet configurations
- 4 × 50G Ethernet breakout
- 4 × 40G Ethernet breakout
- 4 × 25G Ethernet breakout
- 4 × 10G Ethernet breakout
- 10G connectivity using an appropriate QSA adapter where supported
The front-panel ports can support 10G, 25G, 40G, 50G, 100G, 200G, and 400G Ethernet, subject to supported optics, breakout cables, and Cisco software releases.
Performance & Scalability
The N9K-X9716D-GX is engineered for demanding data center traffic environments. Cisco lists 12.8 Tbps performance and a forwarding rate of 4.3 billion packets per second.
The line card includes a 160 MB packet buffer and supports large-scale Layer 2 and Layer 3 forwarding requirements. The Cloud-Scale architecture also provides flexible forwarding resources that can be distributed across line cards and fabric modules for scalable data center designs.
12.8 Tbps Performance
High switching performance designed for large-scale 400G data center environments.
4.3 Bpps Forwarding
High packet-processing capability for demanding enterprise and cloud data center workloads.
Cisco Nexus 9500 Fabric Integration
The N9K-X9716D-GX integrates with Cisco Nexus 9500 Cloud-Scale fabric modules. With the required fabric architecture, the line card can receive high-bandwidth fabric connectivity for 400G networking.
Cisco documentation specifies that with four Cloud Scale FM-G fabric modules, each N9K-X9716D-GX line card can receive 6.4 Tbps bandwidth. This architecture allows the line card to scale efficiently inside compatible Nexus 9500 chassis configurations.
Cisco NX-OS & ACI Support
The N9K-X9716D-GX supports Cisco data center networking environments based on Cisco NX-OS and can be deployed as part of supported Cisco ACI spine architectures.
- Cisco NX-OS support
- Cisco ACI spine support
- Advanced Layer 2 and Layer 3 data center networking
- High-speed spine and core connectivity
- Cloud-scale network automation and programmability
- Support for advanced telemetry capabilities
MACsec & Network Security
Cisco provides MACsec / CloudSec capability on all 16 front-panel ports of the N9K-X9716D-GX. This enables secure Ethernet connectivity for supported data center deployments where link-level encryption is required.
MACsec support can help protect traffic against unauthorized access or interception across Ethernet links while maintaining high-speed data center connectivity.
Recommended Applications
Data Center Spine
High-density 400G connectivity for modern spine-and-leaf data center architectures.
Core Networking
Suitable for high-bandwidth core and aggregation environments requiring scalable Ethernet connectivity.
Cloud Infrastructure
Designed for cloud-scale and service-provider environments with demanding east-west traffic requirements.
High-Performance Networks
Supports high-speed connectivity for virtualization, analytics, AI, HPC, storage, and other bandwidth-intensive workloads.
Why Choose Cisco N9K-X9716D-GX?
The Cisco Nexus N9K-X9716D-GX provides a powerful combination of 400G density, scalable Cloud-Scale architecture, flexible breakout connectivity, advanced security, and high-performance forwarding. With 16 QSFP-DD ports and support for multiple Ethernet speeds, it provides organizations with a flexible foundation for next-generation data center infrastructure.
Designed for Cisco Nexus 9500 modular platforms, the N9K-X9716D-GX is an excellent choice for organizations building high-capacity spine, core, aggregation, cloud, AI, HPC, and other bandwidth-intensive networking environments.
| Product Name | Cisco Nexus N9K-X9716D-GX 16-Port 400G QSFP-DD Cloud-Scale Line Card |
|---|---|
| Weight | 68.200000 |
| Switching Capacity | 6.4 Tbps |
| Memory | N/A |
| Interface | 16 × QSFP-DD |
| Ethernet | 16 × 400 Gigabit Ethernet |
| I/O Port | 16 × QSFP-DD |
| Operating System | Cisco NX-OS / Cisco ACI |
| Manufacturer | Cisco |
| Color | Silver |
| Country of Origin | United States |
Product Datasheet
