The first hard disk

September 13, 1956
IBM introduced the worlds first production hard disk the “IBM 305“, on this date, which stored five megabytes of data.

To put this in perspective a modern USB drive stores 2 gig or more (400 times more than the first hard drive just 50 years ago) and fits on a keychain , the first IBM weighed over a ton and needed a fork lift to move it.

And so it goes

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