Arista reports Q1 2026 results and unveils XPO optics

Arista Networks, Inc. announced its first quarter 2026 financial results and introduced XPO high-density liquid-cooled pluggable optics.

• Main announcement: Arista reported Revenue of $2.709 billion for Q1 2026 (35.1% YoY growth) and cash flow from operations of $1.69 billion, and announced XPO high-density liquid-cooled pluggable optics designed to reduce networking racks by up to 75% and save up to 44% of floor space versus traditional pluggable optics.
• Background and guidance: The company provided Q2 2026 guidance of ~$2.8 billion revenue, non-GAAP operating margin of 46–47%, and non-GAAP diluted net income per share of ~ $0.88; management quoted Jayshree Ullal and CFO Chantelle Breithaupt on execution and results. Conference call was scheduled for May 5, 2026 at 1:30 PM Pacific Time (US dial-in and webcast available).