GenAI Boom Accelerates and Transforms Ethernet Switching

In Q2 2026, Ethernet switch revenue rose 43.4% year over year to $18.91 billion, while router revenue grew 22.8% to $4.51 billion. Sales of 800 Gbps switches surged 6.1 times to $5.07 billion, driven by AI clusters in data centers.

• Ethernet switch revenue in Q2 2026: $18.91 billion, up 43.4% year over year
• Data center segment: $12.3 billion, up 64.5% year over year
• 800 Gbps switches: $5.07 billion, up 6.1 times
• Nvidia grew 2.8 times to $3.86 billion, surpassing Arista