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Man with Fans
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7,746 Posts
Discussion Starter #1
I plan to buy a used Seasonic M12 II 430.

The person is selling it for 55SGD (roughly 42USD).

Is this a normal price for a used M12 II 430?

Also, to ensure that he isn't passing off an abused PSU, how do I go about testing it?

I plan to do the following:
Torchlight - physically check the internals for any sign of damage.
Check warranty seal.

What about loading?
None of us has an ATE, and I know OCCT isn't a reliable tool.

Am I safe to assume that by loading up the OCCT PSU stress test and manually probing the +12V and +5V lines with a DMM, that this is a trustable way of checking if the voltages are stable and in spec?

Thanks.
 

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Super Moderator
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32,930 Posts
The above methods, but also probe each individual rail (3.3v, 5v, 12v, etc...). Make sure you probe them all
. Although I'm sure just the 5v and 12v would likely be sufficient.

Other than that, I honestly don't know. $42 USD is a decent price for a PSU. It sounds a little expensive, but that could be because of exchange rates. For example, there's a Tuniq 1000w unit on newegg right now for $60 USD after rebates. But that's actually a rare price.
 

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Man with Fans
Joined
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7,746 Posts
Discussion Starter #3
Kewl.

I'll grab a small multimeter to probe the 3.3's.


Argh. OCD is consuming me now.

How can my old-ass, abused, dusty workhorse bedroom PC have a modular PSU while my sig rig has to contend with that octopus in it.

I have no complaints regarding the performance of my PC P&C (Seasonic S12D), but it's probably the worst purchase I've ever made.
Cables overkill FTL.
 

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Man with Fans
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7,746 Posts
Discussion Starter #4
So, is that all I should do to ensure a functioning PSU?
I'll be picking it up tomorrow so any last minute advice is helpful.
 
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