Cisco N9100 Series Switches
AI-scale networking
starts here
Purpose-built 800G switches for AI/ML neoclouds and sovereign clouds — delivering unmatched bandwidth, low latency, and seamless integration with NVIDIA Spectrum-X ecosystems.
Purpose-built for AI/ML data center fabrics.
The N9100 Series is a new family of high-density 800G switches powered by NVIDIA Spectrum-4, purpose-built for lossless AI/ML workloads at scale.
800G at AI scale
64-port OSFP 800G delivering 51.2 Tbps of switching capacity powered by the NVIDIA Spectrum-4 ASIC.
Lossless AI/ML fabrics
PFC, ECN, adaptive routing, and full RoCE/RDMA support ensure zero-drop performance for GPU-to-GPU traffic.
160 MB on-die buffer
Intelligent buffer management handles elephant and mice flows simultaneously, eliminating congestion hotspots.
Cloud Reference Architecture
NVIDIA Spectrum-X compliant and NVIDIA Cloud Partner (NCP) validated for seamless neocloud deployments.
N9100 Series Switches
High-density 800G switching for AI/ML data center fabrics.
64-Port 800G
N9164E-NS4-O
64-port 800G OSFP switch with NVIDIA Spectrum-4
- •64-port 800G OSFP, 51.2 Tbps capacity
- •NVIDIA Spectrum-4 ASIC
- •160 MB on-die buffer
- •2RU form factor
Built for networks that train the future.
The N9100 Series delivers the performance, lossless transport, and automation AI/ML fabrics demand.
NVIDIA Spectrum-4 Powered
Industry-leading 51.2 Tbps throughput with 160 MB on-die buffer for lossless AI/ML workloads.
Adaptive Routing
Dynamic path selection with PFC, ECN, and WRED eliminates congestion and maximizes GPU utilization.
Nexus Dashboard Ready
Full Nexus Dashboard integration for centralized visibility, monitoring, and fabric automation.
NX-OS Automation
Purpose-built NX-OS with VXLAN EVPN, POAP day-0 automation, and 512K flexible forwarding entries.
Let’s build your AI fabric
Whether you need help with switch selection, fabric design, or licensing, our data center specialists are here to help. Fill out the form and we’ll be in touch within one business day.
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