Scaling artificial intelligence is not just a compute problem, but increasingly a network issue. Arista Networks addressed this reality by unveiling its latest switch family, the R4 Series platform, targeted toward AI data centers.
The R4 Series platform is based on the Broadcom Jericho3 Qumran3D silicon and is designed for AI, cloud data centers, and routed backbone deployments. According to Brendan Gibbs, Arista's Vice President of AI, Routing and Switching Platforms, the goal is to
"reduce total cost of ownership, while ensuring high performance, low AI job completion time, low power consumption and integrated security."
Arista Networks made this announcement on October 30, 2025, as part of its efforts to support the growing demands of AI data centers.
Author's summary: Arista Networks introduces R4 Series platform for AI data centers.