The big picture: After their lifespan has run its course, those spinning disk platters filled with our digital data must be properly dismantled and shredded to prevent information leaks. Microsoft’s data centers also rely on HDDs. However, instead of simply feeding them into industrial shredders once they reach end of life, the company is adopting a smarter approach. It’s introducing robots that meticulously deconstruct each drive, extracting the data platters for shredding while salvaging other reusable components.Microsoft gets smart about HDD recycling with robots that extract valuable metals
A staggering amount of e-waste is generated
by hard drives every year, with up to 70 million of them mindlessly shredded in their entirety. This results in the loss of valuable metals like neodymium, aluminum, and stainless steel. Microsoft aims to change that with this new technique.
The idea first emerged from a 2022 Microsoft hackathon focused on sustainable disk disposal. It’s the brainchild of Principal Data Scientist Ranganathan Srikanth, who envisioned specialized “Circular Centers” at Microsoft data center campuses. These facilities can reuse and recycle decommissioned server hardware on-site, with the goal of helping the company achieve zero waste by 2030 and carbon negativity by 2050.
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“Utilizing machine learning, these centers will decommission servers onsite, sorting reusable parts for Microsoft, customers, or resale, and applying insights to improve future equipment sustainability,” notes a blog post.
The process, as demonstrated by Microsoft
in the video below, is fascinating to watch. Robots use computer vision to map out components and remove every screw with precision. The liberated components are then sorted, with the platters containing data sent to an industrial shredder, while everything else – including printed circuit boards and magnets – is prepared for recycling.
Ultimately, the process ensures that valuable materials are diverted from landfills and repurposed, a stark contrast to typical recyclers, who pulverize entire drive assemblies into tiny shards.
Microsoft isn’t just implementing this more eco-friendly method within its own operations. The company is taking a leadership role by collaborating with drive manufacturers and governments worldwide. So, while old HDDs may be on their way out, their components are getting a new lease on life.
Of course, using advanced robotics for disk dismantling isn’t a novel concept. Earlier this year, data elimination firm Garner unveiled its compact but powerful DiskMantler, which uses a vigorous shaking technique to disassemble drives in just 60 to 90 seconds. Like Microsoft’s implementation, this process isolates rare-earth magnets as well.Microsoft gets smart about HDD recycling with robots that extract valuable metals
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