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Inside Azure innovations with Mark Russinovich | BRK226

Microsoft Developer (Build) · Jun 04, 2026 · Engineering Insights

Azure's Fairwater AI data centers in Wisconsin and Atlanta use liquid cooling and dense networking to power AI workloads.

“You can see there's enough cabling to wrap the earth four times in one of these.”

Azure CTO Mark Russinovich gave an under-the-hood tour of the Fairwater AI data centers, highlighting liquid cooling, InfiniBand/Ethernet fabric, and cabling dense enough to wrap the earth four times. It signals the scale of physical infrastructure Microsoft is building to power AI, though this excerpt is mostly a tour intro without a specific product announcement.

azure ai-infrastructure data-centers fairwater liquid-cooling

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