Microsoft Corp. has signed an approximately $9.7 billion deal to purchase AI cloud capacity from IREN Ltd., becoming the Australian company’s largest customer.

The five-year agreement will provide Microsoft access to Nvidia Corp. accelerator systems in Texas built using the GB300 architecture for AI workloads and includes a 20% prepayment, IREN said in a statementBloomberg Terminal on Monday. Sydney-based IREN also said it’s agreed to purchase the requisite GPUs and related equipment for $5.8 billion from Dell Technologies Inc.