Building a new computer using new parts - paranoid about PSU

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jarkey11

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Dec 31, 2013
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Alright, so I'm upgrading from my old computer, which fried my old hard drive. I figured it was a good time to upgrade, considering all my old parts are five years old or older. I was able to salvage my GPU which I bought earlier this year.

My issue is that I think the overvoltage that caused my hard drive to die was related to my old PSU. However, when I bought a new one and tested it on some 120 gb hard drives, they all shorted out.

Am I installing them wrong? Am I plugging them in wrong?
Maybe the outlet's bad?

I'm at a loss here, if anyone can help, that'd be great.

Thanks!
 
Solution
Blas
I can't find your Thermaltake PSU in the tier list:

http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html

But the Corsair is Tier 1, which guarantees nothing but makes it more improbable that the psu is the culprit. It could be the mobo itself, if all the hard drives died when connected to the same mobo. Or the outlet. If you still have a spare hard drive to (potentially!) kill, try plugin it on the same mobo but at some other place (a friend's, work).

Or even better, check with some local store you trust: they have all kinds of hardware to use (and burn) in tests, and may know better. I can't recommend you to continue doing tests when everytime a HDD goes to heaven :/
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Blas

Blas

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May 18, 2007
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What were the brands and models of both PSUs? Sounds strange, it's probably not anything you are doing wrong: you can normally only plug things one way, plugs are asymetrical to make it easy for us to fiddle in our PCs without a masters degree in electrical engineering.
 
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J

jarkey11

Honorable
Dec 31, 2013
14
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10,510
My old psu is a Thermaltake Smart series m750w and my new psu is a Corsair RM750i.

I dunno what went wrong. I figured it was a power related problem, but I can't be sure anymore.
 
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Blas

Blas

Distinguished
May 18, 2007
729
8
20,165
I can't find your Thermaltake PSU in the tier list:

http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html

But the Corsair is Tier 1, which guarantees nothing but makes it more improbable that the psu is the culprit. It could be the mobo itself, if all the hard drives died when connected to the same mobo. Or the outlet. If you still have a spare hard drive to (potentially!) kill, try plugin it on the same mobo but at some other place (a friend's, work).

Or even better, check with some local store you trust: they have all kinds of hardware to use (and burn) in tests, and may know better. I can't recommend you to continue doing tests when everytime a HDD goes to heaven :/
 
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Solution
J

jarkey11

Honorable
Dec 31, 2013
14
0
10,510


Alright, I will consider this. I agree, I don't want to burn my new 2tb hard drive lol.

Although I don't quite understsand how the motherboard can cause the frying. Since all power comes from the PSU, the motherboard can't burn out my hard drive...unless it did supply its own power? Anyway, it's not important, I'll probably just buy another 80gb hard drive and test it.

Thanks!
 
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