Microsoft: Embedding Circularity in Data Centre Strategy
Microsoft’s Circular Centers are specialised facilities designed to process decommissioned data centre hardware and maximise component recovery

TL;DR
- Microsoft achieved a 90.9% reuse and recycling rate for data centre servers and components in 2024, exceeding its 2025 target of 90%.
- The success is attributed to Microsoft's Circular Centers and AI/machine learning systems, like the Intelligent Disposition and Routing System (IDARS), which manage hardware lifecycle.
- Key initiatives include piloting sustainable rare earth mineral extraction, reusing/reselling components through Circular Centers, and developing recyclable packaging solutions for data centre hardware.
- Microsoft has processed 50,000 lbs of end-of-life hard drives, recovering critical materials and reducing emissions by 95% compared to traditional mining.
- Over 3.2 million components were reused internally and externally in 2024, increasing value recovery by 30%.
- The company's comprehensive sustainability strategy aims for carbon negative, water positive, and zero waste by 2030.