Wire · technology
IREN Delivers Horizon 1 to Microsoft and Achieves NVIDIA Exemplar Cloud Status on GB300 NVL72
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Fusion42 · 13 August 2026 · Fusion42 review
IREN has delivered the first 50MW AI Cloud deployment, Horizon 1, to Microsoft and earned NVIDIA Exemplar Cloud status on the GB300 NVL72 GPU system, marking progress under a $9.7bn five-year cloud services contract. The firm targets significant expansion of AI Cloud capacity to 480MW in 2026 and 1.2GW in 2027 across renewable-powered data centres in multiple regions.
This Wire brief sits within Fusion42's coverage of Cloud Infrastructure.
◆ ◆ The Wire takeaway
IREN’s model delivers complex AI cloud infrastructure rapidly for Microsoft, signalling new supply chain openings in direct liquid-cooled GPU data centres. If you provide cloud hardware or services, Microsoft’s expanding AI buildout in Texas is a key customer opening this year.
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1 source · 13 Aug 2026
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