Cisco Nexus 400G - The Next Frontier for Cloud Networking
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Cisco Nexus High-Capacity 400G Data Center Networking
Built for the most demanding environments
Built for customer choice and flexibility
Built to last, for maximum investment protection
Cisco Nexus 9364D-GX2A
● 2 RU switches
● 25.6 Tbps of bandwidth
● Ideal for 400G spine
Cisco Nexus 9332D-GX2B
● 1 RU switch
● 12.8 Tbps of bandwidth
● Ideal for 400G leaf or spine
Cisco Nexus 9500 X9716-GX
● 16-port 400G line card for Nexus 9500 Series Switches
● 12.8 Tbps of bandwidth
● MACsec/CloudSec at 400G speeds
Cisco Nexus® 9316D-GX
● 1RU, 16p 400G QSFP-DD
● 6.4 Tbps bandwidth
● Up to 64p 100G in a compact 1RU form factor
Cisco Nexus 93600CD-GX
● 1RU 28p 100G QSFP-28 with 8p 400G QSFP-DD
● 6.0 Tbps bandwidth
● High performance for neural networks workloads
Key differentiators:
● Industry-leader in route scale
● Full data and system telemetry capabilities
● 400G silicon with SRv6 forwarding at line rate
ACI leaf and spine capability in same switch
Cisco Nexus 3432D-S
● 1RU, 32p 400G with QSFP-DD
● 12.8 Tbps bandwidth
● High-density spine
Cisco Nexus 3408-S
● 4RU semimodular switch
● 12.8Tbps bandwidth
● Expansion modules of 8-slots for 100G or 400G LEMs
● 8 slots for different up- and down-link configurations
◦ 400G QSFP-DD
◦ 100G QSFP-28
Key differentiators:
● Lowest latency 450ns at 400G
● Low power at high switch radix
● Optimized for Leaf and Spine architectures
400 GbE QSFP-DD ports are backwards compatible with 100 GbE QSFP28 modules Backward compatible with 100GE QSFP-28 and 40GE QSFP+1x 400 GbE/100 GbE/40 GbE Breakout 4x 100 GbE/25 GbE/10 GbE or 8x 50GbE;2x 200 GbE or 4x 50GbE
Cisco Nexus 400G use cases 400G: Terabit-scale switching
Bandwidth continues to explode. Cisco® Visual Networking Index (VNI) research data indicates the dawning of a 400G era for mass-scale networking in service providers and data centers.
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Superior performance |
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Consistent reliability |
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High scalability |
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Architectural flexibility |
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Superior availability |
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Backward compatibility |
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Investment protection |
Webscale customer use case
● Enable transition from 50G to 100G servers with proportionally scaled-out fabrics
● Higher radix switches for optimized power consumption
Cisco ACI™ enterprise deployments
● High-performance I/O and 400G fabric for AI/ML compute clusters
● Sophisticated dynamic fabric load-balancing, smart buffers, and flow-level visibility
● 400G in different fabric tiers
Service provider deployments
● 100G/400G fabrics for space-constrained environments in service-provider edge locations
● Ready for NFV/5G adoption cycle
| 400G optics: QSFP-DD |
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| PID |
Distance, media (connector) |
| QDD-400-CUxM* |
3m passive copper cable* |
| QDD-400G-AOCxxM* |
30m active optical cable* |
| QDD-400G-SR4-BD |
100m MMF ribbon (MPO-12) |
| QDD-400G-DR4-S* |
500m SMF ribbon (MPO-12)* |
| QDD-400G-FR4-S* |
2km duplex SMF (LC)* |
| QDD-400G-LR8-S |
10km duplex SMF (LC) |
| QDD-400G-ZR-S |
120km duplex SMF (LC) |
| QDD-2X100-SR4-S |
100m MMF ribbon (MPO-24) |
| QDD-2X100-PSM4-S |
500m SMF ribbon (MPO-24) |
| QDD-2X100-CWDM4-S |
2km dual duplex SMF (CS) |
| QDD-2X100-LR4-S |
10km dual duplex SMF (CS) |
To help your organization to upgrade to 400G, contact Cisco today at www.cisco.com/go/400G.