I remember using a 128MB USB drive in school and thinking that was a lot of data. Now, there’s talk of 100TB hard drives arriving before the end of the decade.
That lofty target came from Western Digital’s ‘Innovation Day 2026’, where the data storage company outlined its long-term plans. It’s on the verge of releasing a 40TB UltraSMR ePMR HDD, which will be used to keep up with the increasing demands placed on data centres by AI technologies.
But WD isn’t stopping there. By 2029, it plans to produce 100TB hard drive technology by using what’s called “HAMR”. Short for heat-assisted magnetic recording, HAMR uses a precise laser to heat the precise location of a drive that’s being written to, which is part of a process to help increase storage density.
WD’s blog on the technology goes deep into the science, most of which goes over my head. All I can think of is how much would fit on a 100TB hard drive. Sure, such technology is only meant for enterprise-level use, but it’s fun to think about what one could do with 100TB on hand.
Using Netflix’s data rate guidelines, you could store more than 34,000 hours of high-definition video, or roughly 14,600 hours of 4K footage. Based on the recommended 80GB of storage required for Battlefield 6, you could have 1,280 copies of the game saved at the same time.
Again, that’s not what this storage would be used for, but it gives you an idea of how big 100TB is. At the moment, WD sells data centre hard drives reaching 32TB of storage. To more than triple that in just a few years is quite the feat.
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