IREN
Bitcoin miner turned AI cloud with a reported $9.7B Microsoft GPU deal.
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IREN (formerly Iris Energy) converted renewable-powered mining sites in Texas and Canada into GPU clouds, capped by a reported ~$9.7B multi-year Microsoft agreement for GB300 capacity announced in late 2025 — the largest of the miner-conversion deals.
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Record reviewed as of 2026-01-15 — see Methodology.