this post was submitted on 06 Aug 2025
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I have a device like this and it supports heavy gpu inside my pc. Wery usefull and nicly built thing made from metal. But the consern is it has a magnet on botom side, so it sticks to metal surfece inside the case. Wery usefull again but my hard disk is under that metal surfice. So i wonder can it corupt data or damage hdd itself..?!

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[–] cRazi_man@europe.pub 27 points 1 month ago* (last edited 1 month ago) (3 children)

I wouldn't expect it to. I think mythbusters did an episode on this, and it took the strength of one of those car lifting magnet cranes to damage an HDD.

[–] ook@discuss.tchncs.de 16 points 1 month ago (2 children)
[–] three@lemmy.zip 3 points 1 month ago (1 children)

So weird, literally just watched this episode last night.

[–] BCsven@lemmy.ca 1 points 1 month ago

Just a glitch in the matrix

[–] Kissaki@beehaw.org 1 points 1 month ago

I'd need a banana for scale to see if this is huge or a macro photo of a small thing.

[–] scytale@piefed.zip 2 points 1 month ago (1 children)

Wait really? I used to work at a place where we cleared out HDDs with a degausser. I'm pretty sure that thing wasn't as strong as a car junkyard magnet.

[–] zagaberoo@beehaw.org 6 points 1 month ago

Degaussers use varying magnetic fields in a specific way, it's not raw field strength doing the erasing.

[–] PrincessCory@lemmy.wtf 1 points 1 month ago (1 children)
[–] entropicdrift@lemmy.sdf.org 5 points 1 month ago (2 children)

"relief" is how that word is spelled. Like belief.

[–] PrincessCory@lemmy.wtf 4 points 1 month ago (2 children)

Ok english is not my main language..

[–] entropicdrift@lemmy.sdf.org 8 points 1 month ago

All good, I just wanted you to know how it's spelled. Not angry or upset

[–] SweetCitrusBuzz@beehaw.org 3 points 1 month ago

It's alright. We all understood what you meant. Don't worry about your spelling, this isn't a test or anything. 🙂

[–] clb92@feddit.dk 2 points 1 month ago (1 children)
[–] locuester@lemmy.zip 1 points 1 month ago
[–] nous@programming.dev 17 points 1 month ago

Yes magnets can affect HDDs. But it needs to be very strong and close to the HDD. I wouldn't worry unless you are directly attaching it to you HDD and even then it probably won't do much if anything at all.

Remember HDDs already have strong permanent magnets inside them. Probably way stronger then the one on the bottom of that support.

[–] fedtemis@feddit.dk 6 points 1 month ago (1 children)

I have one in my case, attached to the metal part covering the PSU in a CM silencio case. I have a single 2.5" hdd in the same case, without any issues.

[–] PrincessCory@lemmy.wtf 1 points 1 month ago (3 children)

Yea but the problem is my hard disk is in its bracket made from metal and this support gadget is directly on that metal..

[–] fedtemis@feddit.dk 3 points 1 month ago

I wouldn’t worry. As others has said in this thread; a way more powerful magnet is present inside the HDD. Also fans produce magentic fields to a small degree. Then again, I don’t store anything important on the magnetic drive in my PC, so I’m not risking anything. 🤷‍♂️

[–] fedtemis@feddit.dk 1 points 1 month ago (1 children)

You could always remove the magnet, and glue the support in.

[–] PrincessCory@lemmy.wtf 1 points 1 month ago

I have to check that out. This gadget is made from metal, not plastic, im not sure if its possible.

[–] Kolanaki@pawb.social 5 points 1 month ago* (last edited 1 month ago) (1 children)

You would usually need a really strong electromagnet to actually kill a hard drive through magnetism alone.

[–] PrincessCory@lemmy.wtf 2 points 1 month ago

And what about extended period of time? This thing is siting there and hard drive also for etrnity?

[–] blackstrat@lemmy.fwgx.uk 4 points 1 month ago (1 children)

I can't tell how strong that magnet is, but I wouldn't risk it with my data.

[–] PrincessCory@lemmy.wtf 1 points 1 month ago (1 children)

See thats the problem. This thing is made from metal and magnet is so strong that it can hold it in place with no problem when pc case is fliped on its side down on the ground horisontaly! If i stick it on fridge it will stick out like a horn or dagger. So thats what makes me conserned. And on top of that, its close to the hard drive, olmost like its placed directly on it.

[–] alsimoneau@lemmy.ca 1 points 1 month ago

That doesn't mean much. Gravity is very weak. The real test is seeing how much weight it can hold.

[–] who@feddit.org 4 points 1 month ago* (last edited 1 month ago) (1 children)

It's always possible, but in my experience, the magnets in those graphics card stands aren't strong enough to hurt the data in a hard drive slotted below them. (Let's also remember that fans containing magnets are often placed near hard drives.)

If you're concerned, you could always replace the magnet with a rubber foot, or replace the whole stand with nonmagnetic cylinder like a cut-down paper towel spool. The graphics card's weight will probably hold it in place.

In any case, I recommend regularly making incremental backups of your data. Hard drives occasionally corrupt data and eventually die even when no magnets are around.

[–] SaltySalamander@fedia.io 2 points 1 month ago

They aren't strong enough to affect the data on a HDD if it were directly attached to the hard drive itself. It takes a pretty hefty magnet to do that.

[–] smallerdemon@beehaw.org 3 points 1 month ago

LOL You know what will damage a hard drive? A regularly used electric pencil sharpener on top of the case directly over the hard drive for a few years.

[–] furrowsofar@beehaw.org 3 points 1 month ago* (last edited 1 month ago)

Fields from magnets can, just depends how strong and this applies to spinning hard drives not SSDs. We had an idiot at work once that decided to store a bunch of magnetic bases on the top of a tower PC. Corrupted the drive. This case there were quite a few of them maybe in a half dozen to a dozen range and they were the strong lockable ones for breadboards.

[–] PrincessCory@lemmy.wtf 3 points 1 month ago* (last edited 1 month ago) (2 children)

Ok so here is the situacian. I have rx 6800xt merc that definitly needs some kind of support. But down there is place for two hdds. I have one in top slot. So magnet is directly above 😶 thats why im a bit voried.

Here is another picture, but with hdd in botom slot.

[–] JackbyDev@programming.dev 1 points 1 month ago (1 children)

Can you give me a link for this product? mine says a little and something like this would make me feel better that it won't break lol.

[–] PrincessCory@lemmy.wtf 1 points 1 month ago (1 children)

It doesnt have any branding and site that i bought it from is local site that operates only in my country.. So cant realy give you the exact product name or anything. It just sad gpu holder. But it shouldnt be hard to find now that you know how it looks..

[–] JackbyDev@programming.dev 1 points 1 month ago

Thank you! 🩵

[–] MangoPenguin@lemmy.blahaj.zone 1 points 1 month ago

I doubt it would affect anything, it takes a very large magnet to damage a HDD from outside the casing.