Why You Should Never Open A Hard Drive

See our video below to find out why you should never open a hard drive.

Transcript

Instead of a needle, hard drives use tiny magnets to read and write data. The heads don’t actually touch the disc.

But you’d only see that if you got close

Super close

The heads float just three nanometers above the disk

In comparison, a spec of dust in the air is 166 times bigger than the gap.

It would be like trying to kick a football through a gap the size of an ant

So if that giant spec of dust can’t fit through the gap, it will hit the read head

Bouncing it into the disc spinning at over 100mph

And scraping away chunks of disc within seconds

Up close the tiny scratches look like mountains

The heads can’t get past the damage so just scratch it even more

Until there’s nothing left but dust

This is what we call a head crash

Why You Should Never Open A Hard Drive

And This is Why You Should Never Open a Hard Drive! (Unless You Have a Cleanroom)

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