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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