Cisco N9K-C9316D-GX Nexus 9300-GX 400G Data Center Spine Switch 16-Port QSFP-DD
| Item | Specification |
|---|---|
| Product Model | Cisco N9K-C9316D-GX |
| Product Series | Cisco Nexus 9300-GX Series |
| Device Type | Fixed Data Center Spine Switch |
| Rack Unit | 1RU |
| Port Type | 16 x 400/100/40G QSFP-DD Ports |
| Switching Capacity | 12.8 Tbps |
| Forwarding Rate | Up to 4.3 Bpps |
| CPU | 4-Core Processor |
| System Memory | 32GB |
| SSD Storage | 128GB |
| Buffer Memory | 80MB |
| Network Operating System | Cisco NX-OS |
| Deployment | Data Center Spine, Core, AI/ML Network |
| Power Supply | Dual 1100W AC/DC/HVAC-HVDC Options |
| Category | Specifications |
|---|---|
| Model Number | N9K-C9316D-GX |
| Product Family | Cisco Nexus 9300-GX |
| Form Factor | 1RU Fixed Switch |
| Interface Ports | 16 x QSFP-DD Ports |
| Ethernet Speed | 40/100/400Gb Ethernet |
| Breakout Support | 2x200G, 4x100G, 2x100G, 8x50G, 4x50G, 2x50G, 4x25G, 4x10G |
| 10G Support | 10G with QSA Adapter |
| Switching Capacity | 12.8 Tbps |
| Forwarding Performance | Over 4.3 Billion Packets Per Second |
| CPU | Quad-Core CPU |
| Memory | 32GB RAM |
| Storage | 128GB SSD |
| Packet Buffer | 80MB |
| Management Ports | 1 x RJ-45 + 1 x SFP Management Port |
| USB Interface | 1 x USB Port |
| Serial Interface | 1 x RS-232 Console Port |
| Power Supply | 2 x 1100W redundant PSU |
| Typical Power Consumption | Approximately 420W |
| Maximum Power Consumption | Approximately 1010W |
| Input Voltage | 100-240V AC / -40~-72V DC |
| Dimensions | 1RU Rack Mount Design |
| Weight | Approx. 12.34 kg (with fans and PSUs) |
| Routing Features | IPv4/IPv6, BGP, VXLAN EVPN, VRF |
| Fabric Technology | Cisco Cloud Scale Technology |
| ACI Support | Spine and Leaf Mode Supported |
The Cisco N9K-C9316D-GX Nexus 9300-GX Series Switch is a high-performance 400G data center spine switch designed for next-generation cloud infrastructure, AI/ML workloads, hyperscale data centers, and enterprise networks requiring ultra-high bandwidth connectivity.
Built on Cisco Cloud Scale technology, the N9K-C9316D-GX delivers flexible 400 Gigabit Ethernet connectivity through 16 QSFP-DD ports while supporting multiple speeds including 40G, 100G, 200G, and 400G. Its compact 1RU design provides exceptional scalability while optimizing rack space and power efficiency.
The Cisco Nexus N9K-C9316D-GX is ideal for spine, aggregation, and core network deployments where high throughput, low latency, and reliable operation are critical. It supports advanced data center networking technologies including VXLAN EVPN, BGP-based fabrics, Cisco ACI spine/leaf architecture, and automation capabilities, making it suitable for modern cloud-native environments.
With support for high-density 400G optical modules, including QSFP-DD transceivers, this switch enables organizations to smoothly upgrade existing 100G networks toward future 400G architectures without replacing the entire network infrastructure.
The Cisco N9K-C9316D-GX provides:
- 16 x 400G QSFP-DD interfaces
- Flexible migration from 100G to 400G networks
- Support for breakout configurations
- High bandwidth for AI clusters and cloud applications
It is designed for environments requiring massive east-west traffic capacity, such as hyperscale data centers and GPU computing networks.
Modern AI workloads require extremely high bandwidth between servers, storage systems, and computing nodes.
The N9K-C9316D-GX provides:
- High-speed spine connectivity
- Low-latency switching architecture
- Scalable fabric deployment
- Support for large-scale distributed computing environments
It helps enterprises build future-ready AI infrastructure with efficient network performance.
The switch supports multiple deployment scenarios:
- Data center spine switch
- Core network switch
- Cloud service provider backbone
- AI/ML cluster networking
- Enterprise private cloud infrastructure
Cisco Nexus 9300-GX platforms support both Cisco ACI spine and leaf deployments, improving deployment flexibility.
| Model | N9K-C9316D-GX | N9K-C93600CD-GX |
|---|---|---|
| Port Type | 16 x 400G QSFP-DD | QSFP28 + QSFP-DD |
| Main Use | Spine/Core Network | Spine/Leaf/Data Center Aggregation |
| 400G Ports | 16 | 8 |
| Rack Size | 1RU | 1RU |
| Best For | High-performance backbone | Mixed speed environments |
Which Cisco Nexus switch should I choose?
- Choose N9K-C9316D-GX if you need maximum 400G spine capacity and future-proof backbone expansion.
- Choose N9K-C93600CD-GX if your network requires a combination of 100G and 400G connectivity.
The Cisco N9K-C9316D-GX is mainly used as a high-speed data center spine switch, supporting 400G Ethernet connectivity for cloud computing, AI infrastructure, enterprise data centers, and service provider networks.
The N9K-C9316D-GX provides 16 QSFP-DD ports, supporting 40G, 100G, 200G, and 400G Ethernet speeds.
Yes. The switch supports 400G QSFP-DD optical modules, enabling high-speed data center interconnection and future network upgrades.
Compared with older Nexus 9000 models, the N9K-C9316D-GX provides higher port bandwidth, improved 400G capability, and better support for AI-driven and cloud-scale networking requirements.
Yes. We provide:
- Original Cisco compatible networking equipment
- Professional compatibility testing
- 1-year warranty assurance
- Technical support before and after purchase
- Fast worldwide delivery service
Lonrise Equipment provides reliable Cisco networking solutions including:
- Cisco Nexus switches
- Compatible optical transceivers
- Data center networking products
- Enterprise network upgrade solutions
Our advantages include stable supply channels, competitive pricing, quick delivery, and professional technical support to help customers reduce deployment risks.


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