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I have some small form factor PCs that use power supplies with odd shapes. Since I manage these PCs in bulk (I'm up to about 60 of them), I want to know how to find replacement parts in the inevitable case of a power supply failure. Right now these are fairly new to us, and so I haven't had any failures yet, but I want to be prepared when I do.

There are actually two varieties I am concerned about here, but I also want to know about how to identify these power supplies and valid replacement parts in the more general case.

The two power supplies are as follows:

  1. HP 437352-001. It's like a section was removed from a normal supply, but a standard size fan still sits at the back. The power supply here sits over the hard drive, so that fan can cool both parts.
  2. The other is a low-power (150W) power supply for a FoxConn-branded machines we have (example of the computer -- couldn't find a good image of the supply itself). It long and skinny, rather than cubish like a typical power supply, and almost looks like a server power supply.

So the question is, how can I find out more about these atypical power supplies? What name (read: google keyword) should I use when talking about them? Where or what kinds of places can I look for replacements?

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3 Answers

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Doing a little research for you, it looks like the HP 437352-001 power supplies is of form factor SFX. I am sure that if you search for that type you can find a supplier.

The tech specs for the R30-A1 on FoxConns wesite list the power supply as DSL150P. It is of type TFX12V. It can be purchased on any site that sells that type. I know newegg sells them.

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The item at the SFX link did not match what I'm seeing in my machines, but the TFX type was very helpful. – Joel Coehoorn Jul 18 '12 at 3:38
Yeah I don't know what I was thinking when I said it was an SFX power supply. Likely it is just a custom design. – Linger Jul 18 '12 at 12:50
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As long as you have some sort of identifiable part number, eBay is your friend.

http://www.ebay.com/sch/i.html?_trksid=p5197.m570.l1313&_nkw=HP+437352-001&_sacat=0

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I'm skeptical of getting new replacements this way. I have checked ebay, and mostly what I see are one-offs that likely came from a machine that was used a good deal before something happened to a hard drive or motherboard and the rest was gutted for parts/ebay fodder. Who knows how much life the power supply has left? It's also not fun making purchases from ebay via company purchase order. I'll use ebay if I have to, but it's never going to be my first choice here. – Joel Coehoorn Jul 17 '12 at 20:37
Can the ebay search give you any useful information to then take to your google search? – JoshP Jul 17 '12 at 20:39
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I have tried checking the HP parts store and this is one of those part they consider "non-customer replaceable" so you can't really buy it from them either. I would suggest finding something else that is compatible, but it looks like the p/s has its own unique shape so your options are really limited. – superuser Jul 17 '12 at 20:44
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Your best bet is probably this outfit, although they don't seem to have that particular model...yet.

http://www.atxpowersupplies.com/hp-power-supplies.php

Oh wait. I see they actually recommend this: http://www.atxpowersupplies.com/350-watt-cfx-power-supply-SPI350MB-MC.php (assuming you have HP DC7900 SFF or similar)

This one is the same shape, but some things are rearranged inside. There is a mechanical drawing on the page, with dimensions.

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