Celeb Glow
general | March 13, 2026

External Hard drive with magnet built into the enclosure

I recently bought two Hitachi HLSMPUA3201ABB external Hard drives. They come with a USB key attached to the enclosure with a magnet. It's not a very strong magnet but I can't help wondering whether the drive would last longer without it. Should I consider returning it?

2 Answers

It won't damage your HDD, don't even give it a second thought.

See here for reasons why.

The only magnets powerful enough to scrub data from a drive platter are laboratory degaussers or those used by government agencies to wipe bits off media. "In the real world, people are not losing data from magnets," says Bill Rudock, a tech-support engineer with hard-drive maker Seagate. "In every disk," notes Rudock, "there's one heck of a magnet that swings the head."

There are magnets inside the hard drive also and are not shielded in any way.

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4

It will be fine. Harddrives even contain magnets.

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