Micro SDHC and a magnet

[wrcsixeight]

Last week I was in another vehicle other than my own, putting gas in the tank, and dropped my own keys on the tarmac and drove away.

A few hours later I returned to the gas station, and they had my keys inside, but my small thumb drive, that was just big enough to house a MicroSDHC card was no longer on my keychain.

I only had Music files on the Card. No personal Data. I had not actually used or updated the card for a year or 2. It was from my old Phone.

Before I got the new phone I stored my magnets on a magnet, a very strong one which would only attract the MicroSD card holder and the keyring itself.

After I got a new phone and stored the old SDHC card in the key chain holder, I often wondered if the strong magnetic field would corrupt the files on the card.

I never tried to see, but now I wonder if Whomever decided to take my Storage card off my keychain could access the files on it.

What do you think.... Will a strong magnet a few MM away from a SDHC card corrupt it?

 

[SwampSurvivor]

Flash memory (SD, SDHC, SSD) are not affected by magnets.

 

[yvon_la]

I bet nsa wished flash drive were corruptible by magnet lol.why you think they re so popular

 

[PandaBear]

Flash memory cells store electric charges on some metal inside insulator, and use tunneling effect to charge / discharge for writing and use the electric charge to turn on/off transistor for reading. It is not affected by a weak static magnetic field like a magnet.

If you put it next to a high power transformer or electric motor, then the alternating magnetic field may do something to it.

 

[PandaBear]

Originally Posted By: yvon_la
I bet nsa wished flash drive were corruptible by magnet lol.why you think they re so popular


They are small and shock resistance, and cheap for a small amount of storage (compare to hard drive).

 

[wrcsixeight]

Ok thanks for the info.

I hope whomever "liberated" my keychain storage, enjoys the music stored on there.