Arista Networks
Arista Networks provides high-performance Ethernet switches for AI data center networking.
Updated April 2026
Overview
- Website
- arista.com
- Segment
- Networking Silicon
Product overview
Arista develops Ethernet switches like the Etherlink series (7060X6, 7800R4 spines) optimized for AI/ML workloads with 400G/800G ports, lossless RoCE support, and EOS software for low-latency interconnects between accelerators from Nvidia, AMD, and others , ]. Cloud titans (Microsoft, Meta), enterprises, and financials buy them for large-scale AI clusters supporting tens of thousands of GPUs ]. Distinct from Nvidia's integrated InfiniBand/Spectrum-X or Cisco, Arista offers open standards Ethernet with multi-vendor interoperability, no lock-in, superior scalability, and lower TCO via automation/telemetry ].
Revenue model
Primarily hardware sales of networking switches/routers (60-65% data center/AI), plus software/services (10-15%), with 2025 revenue ~$9B driven by AI demand , ].
Moat
- Switching Costs
- Proprietary Technology
- Scale Advantages
- Brand
Arista Networks' key competitive moat stems from its proprietary EOS software and CloudVision ecosystem, which create high switching costs through technical lock-in, complemented by leadership in high-speed AI Ethernet networking and scale advantages with hyperscale customers.