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back to article Hitachi Maxell demos 50TB capacity LTO-class tape

Hitachi Maxell has demonstrated a 50TB capacity LTO-class tape using perpendicular magnetic recording technology. This is 400 per cent more than the raw capacity of the highest-capacity tape on the LTO roadmap, the 12.8TB LTO-8. Hard disk drives have used perpendicular magnetic recording for some years and its limitations are …

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  1. Woodnag

    Not "400% more"...

    Yeah yeah, engineers ARE pedantic, and I am one. 400% times would be ok, just a slight exaggeration.

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  2. Steven Jones

    Percentage journalism

    "his is 400 per cent more than the raw capacity of the highest-capacity tape on the LTO roadmap, the 12.8TB LTO-8."

    No it's not. 50TB is about four times 12.8, but that means that is it 300% more than 12.8TB in the same way that doubling is a 100%, not 200% increase. I see this basic mathematical mistake over and over again in journalism and press announcements - no doubt the bigger numbers add wow factor, but at the expense of inaccuracy and exaggeration

    (There is a counterpart to this in the other direction - far too often halving is described as an - impossible - 200% decrease when it's actually 50%).

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