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HDD Areal Density Growth Slows as Capacity Increases

While the capacity of hard disk drives increased from 10TB in 2016 to 20TB in 2021, the areal recording density of high-capacity HDDs hasn’t increased nearly as much. Areal density is stagnating, observed Tom Gardner, a technology and intellectual property consultant as well as webmaster at IEEE Silicon Valley History Committee. The report notes that areal recording density…