N9K-C9316D-GX Nexus 9316D Spine 16p 400G QSFP-DD

Cisco N9K-C9316D-GX – Nexus 9316D-GX 16x400G Spine Switch (NX-OS)

The Cisco Nexus N9K-C9316D-GX is a compact 1RU spine switch delivering 16 QSFP-DD ports with flexible breakout options for 10G–400G. Designed for cloud-scale fabrics and AI/ML workloads, it provides 12.8 Tbps bandwidth and over 4.3 bpps forwarding, ensuring scalable, resilient, and secure data center deployments.

🔧 Key Specifications

• Ports: 16x 400/100/40G QSFP-DD
• Switching Capacity: 12.8 Tbps
• Forwarding Rate: 4.3 bpps
• Breakout: 2x200G, 4x100G, 8x50G, 4x25G, 4x10G per port
• CPU: 4 cores
• Memory: 32 GB DRAM, 128 GB SSD
• Buffer: 80 MB
• Power: 1100W AC/DC/HVDC options
• Form Factor: 1RU rack-mountable

🧩 Ideal Use Cases

• Spine deployments in hyperscale fabrics
• AI/ML clusters requiring predictable low-latency transport
• Enterprises migrating to 400G-ready architectures