IREN co-founder Daniel Roberts said the biggest constraint in artificial intelligence is no longer chips, but physical infrastructure. In a lengthy X post published Friday, Roberts wrote that AI demand is growing exponentially while infrastructure capacity is not keeping pace, with pressure building around power, land, cooling and data center construction.
IREN outlines a three-layer AI infrastructure model
Roberts described IREN as a vertically integrated AI infrastructure platform built across three layers. The first is physical infrastructure, including power and data centers. The second covers compute infrastructure such as NVIDIA GPUs and servers. The third consists of enterprise software and operational tooling. He said most of IREN’s value creation today sits in the first two layers, while the third layer is expected to deepen that advantage over time.
The company, formerly known as Iris Energy, has moved beyond bitcoin mining into AI infrastructure. That shift is also showing up across the sector, with projects spanning Texas, British Columbia, Oklahoma, Spain and Australia. Roberts said IREN has secured roughly 5 gigawatts of grid-connected capacity globally.
NVIDIA relationship expands with multiyear AI cloud deal
Roberts also pointed to IREN’s growing ties with NVIDIA, including a recently announced five-year, $3.4 billion AI cloud contract linked to Blackwell GPU deployments in Texas.
He argued that owning the full stack can create a durable competitive moat as AI demand accelerates worldwide, especially in regions such as Europe and Asia-Pacific where supply remains less developed.
WhiteFiber takes a different route with third-party facilities
Separate from IREN, WhiteFiber said it signed a five-year AI compute agreement worth more than $160 million with an investment-grade technology customer in France. The deployment will use NVIDIA GPUs and extend WhiteFiber’s footprint in Europe. Unlike IREN, which owns and operates underlying infrastructure, WhiteFiber delivers AI cloud and high-performance compute services through third-party data center infrastructure.
In the market, WYFI shares rose 22% on Thursday and added another 5% in Friday premarket trading. IREN shares gained 10% on Thursday.

