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Can a Realistic High Power Video audio tape eraser, erase a hard drive

Can a Realistic High Power Video audio tape eraser zap or at least corrupt  a hard drive and a backup tape?
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Close enough, you mean placing or resting the eraser in the naked drive?
It depends on how much erasure you want. For fairly full erase, yes, next to the drive. For corruption, it could be farther away.

You need to test in your environment.
what exactly do you want to do ?  maybe you have other options
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I guess the question is about the possibility of the "accidental" use of this device and the chance of getting a Hdd corrupted...and the answer is of course...if the device gets too close the magnetic elements of the platter will get disoriented and thus making the Hdd useless..
Professional hard drive degaussers are much more powerful than tape erasers.  This search brings up a number of devices that are made for degaussing hard drives.

https://www.google.com/search?q=hard+drive+degausser
yes - but what he may need will vary with the level of security he needs
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ASKER

We want to make a hard drive unusable.  

We have a "Realistic High Power Video audio tape eraser" and want to use the unit by placing it right on top of the drive or on the bottom (where the circuit board is located).

What u guys think?
That would make it unusable for most uses. No person you are going to run across will ever use it. Forensic workers can read track bleed, but that requires a clean room and technology. So to the 99 % level, it will be unusable.
The most secure way would be to use one of the multitude of multipass erase programs followed by shredding the physical disk
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Gerald we are not interested in a most secure way, we just want to make them unusable without installation or software, this the Eraser device.

Great info john.

Prior closing the question, 2 questions:

1. We assume the best place to put the erasor in the man board of the drive, ls this ok?

2. How long should we leave the device on the drive (we thought for 1 minute under the drive, on the circuit board)
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and be sure to test later if the drive is unusable
Thanks and I was happy to help you with this.