Re: [Fed-Talk] Secure erase of SSD drives?
Re: [Fed-Talk] Secure erase of SSD drives?
- Subject: Re: [Fed-Talk] Secure erase of SSD drives?
- From: Ben Greisler <email@hidden>
- Date: Wed, 20 Mar 2013 09:02:00 -0400
I don't know how well the SSD's are shielded, but I would suspect that a good blast from an EMP type disk destroyer would certainly damage the chips internal structure via induced current.
I don't have access to that type of disk destroyer currently and I don't feel like testing on a $500 SSD. I'll let someone else report back.
Ben Greisler
On Mar 19, 2013, at 11:17 AM, "O'Donnell, Dan" <email@hidden> wrote:
> Solid state disks are fundamentally different from spinning ferromagnetic
> disks. Solid state are silicon chips in which the transistors maintain
> state when turned off. (I don't know if they trickle charge to retain
> state.)
>
> Magnetic hard drives are just that - magnetic - with (conceptually) little
> ferromagnetic particles that change position when pushed by the magnetic
> heads of the drive. As such they can be affected by the high B field of a
> degaussing magnet.
>
> Solid state drives should be completely unaffected by a magnetic field.
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