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Archive 2014 · Could a MagMod magnet ruin or erase a hard drive?

  
 
cwes
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p.1 #1 · p.1 #1 · Could a MagMod magnet ruin or erase a hard drive?


I doubt it could, but if I forgot, and left the flash with the magmod sit on top my case, could it erase or ruin the hard drive?


Dec 16, 2014 at 11:14 AM
sjms
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p.1 #2 · p.1 #2 · Could a MagMod magnet ruin or erase a hard drive?


well did the drive run and was there any data loss?


Dec 16, 2014 at 03:10 PM
MalbikEndar
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p.1 #3 · p.1 #3 · Could a MagMod magnet ruin or erase a hard drive?


Well this

http://www.datadev.com/degausser-ts1.html

is an example of what they use to erase a hard drive. I've been inside a similar unit- we're talking BIG coils and lots of current.

I think you are unlikely to erase a hard drive with anything found in the home. No guarantees, however.



Dec 16, 2014 at 03:10 PM
EB-1
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p.1 #4 · p.1 #4 · Could a MagMod magnet ruin or erase a hard drive?


No, the small magnets won't do anything.

EBH



Dec 17, 2014 at 12:21 AM
runamuck
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p.1 #5 · p.1 #5 · Could a MagMod magnet ruin or erase a hard drive?


If you have ever taken a HD apart yu know the magnets controlling the arms are extremely strong, If they come together you will play hell separating them. Pretty much anything you could put on the drive without crushing it will have no effect.


Dec 23, 2014 at 06:03 PM
15Bit
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p.1 #6 · p.1 #6 · Could a MagMod magnet ruin or erase a hard drive?


A quick google throws up a number for the typical magnetisation field needed to flip a bit: 1000 Oersteds. My magnetism theory is rather rusty, but i think that means a local flux density of 1 Tesla or more is needed. Larger Neodymium magnets do give 1T or more at short distances, so with a large magnet it might well be possible to corrupt the HDD. I think you'd need a fairly big one though (1/2" or bigger), as the hard drive case will provide some shielding and also limit how close you can get the magnet to the hard disk platters. Looking at the Magmods, they seem to have pretty small magnets, so you are probably safe.


Dec 25, 2014 at 04:17 AM





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