Cisco N9164E-NS4-O
A 2RU 64-port OSFP 800G Ethernet switch purpose-built for AI/ML data center fabrics. Powered by the NVIDIA Spectrum-4 ASIC with 51.2 Tbps of switching capacity, 160MB on-die packet buffer, and adaptive routing for lossless RoCE transport at scale.
Product Overview
AI-Scale Switching
64 ports of 800G OSFP delivering 51.2 Tbps of aggregate bandwidth for the largest AI/ML training clusters and GPU fabrics.
NVIDIA Spectrum-4
Purpose-built ASIC for AI networking with wire-rate forwarding, deep telemetry, and adaptive routing across every port.
Lossless Transport
PFC, ECN, WRED, and adaptive routing deliver lossless RoCE/RDMA transport for distributed AI workloads without packet drops.
160MB Buffer
Intelligent on-die buffer management handles mice and elephant flows simultaneously, absorbing micro-bursts without congestion.
Day-0 Automation
POAP, NX-API, YANG models, and model-driven streaming telemetry for zero-touch provisioning and full lifecycle automation.
Flexible Breakout
Each 800G OSFP port supports 2x400G, 4x200G, or 4x100G breakout for incremental migration and mixed-speed fabrics.
Ready to deploy the N9164E-NS4-O?
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