Microsoft and 3M partner on AI data centre infrastructure

Microsoft and 3M have announced a strategic partnership covering AI data centre infrastructure and the deployment of Microsoft AI tools across 3M’s business operations.

Microsoft Azure will become the first hyperscale cloud provider to deploy 3M’s Expanded Beam Optical technology, which is designed to improve the physical connectivity needed for expanding cloud and AI workloads. Unlike conventional fibre connectors that rely on direct physical contact, the technology uses an expanded optical beam, making connections more resistant to dust and contamination during installation and maintenance.

Microsoft said early deployments suggest the technology could shorten network installation times in some environments while maintaining reliable signal performance under typical data centre conditions.

3M is expanding production as hyperscalers and data centre operators invest in AI infrastructure. The company has also supported an industry agreement to standardise expanded beam optical connections.

The partnership will combine Microsoft’s cloud infrastructure with 3M’s expertise in materials science, optical connectivity and precision manufacturing, with further collaboration focusing on deployment speed, reliability, density and long-term scalability.

Alongside the infrastructure agreement, 3M will deploy Microsoft AI and digital platforms across customer service, finance, sales and marketing to simplify processes, improve decision-making and increase productivity.

Microsoft engineers are also working with 3M’s Global Business Services team on an AI agent-based customer order workflow covering credit checks, delinquency assessments and system updates while retaining human approval. A monitoring dashboard will provide employees with real-time visibility into the process to improve consistency, reduce manual work and support auditability.

The partnership links investment in the physical infrastructure that supports AI with the adoption of AI across enterprise operations, illustrating how cloud providers and industrial companies are increasingly collaborating across both domains.

Why does it matter?

The partnership highlights that scaling AI depends not only on chips and computing power but also on the physical networking infrastructure connecting data centres. Improvements in optical connectivity could help cloud providers deploy increasingly dense AI infrastructure more efficiently and reliably.

It also illustrates how infrastructure partnerships are becoming broader digital transformation initiatives. By combining hardware innovation with enterprise AI deployment, Microsoft and 3M are reflecting a wider trend in which AI investment spans both the technology underpinning AI services and the business processes that use them.

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