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Thread: Enermax Digifanless 550W Power Supply Review @[H]

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    Default Enermax Digifanless 550W Power Supply Review @[H]

    http://www.hardocp.com/article/2015/...1#.VTkdNpMghgw


    Enermax wasn't supposed to produce its own PSUs?
    Did something change in the meantime?
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    This one is manufactured by CWT. It's a Enermax exclusive design at the moment.

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    It's been a while (few years in fact) since Enermax closed its own factory.
    http://www.computerbase.de/2014-04/e...fremdfertigen/
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    Situation for Enermax PSUs just gets back to several years ago. Enermax designs their own PSUs and buy the components. The OEM factory (CWT or Sirfa here) assembles the PSUs.
    It's been a hard day's night and I've been working like a dog.

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    Oh my FUCKING god, it's been living hell on earth to remove that stupid bloody rectification module. It's soldered into one BIG piece of metal and the transformer has HUGE electrodes. It was SO hot during the process I hope the secondary windings did not short internally…I guess Enermax won't send me another unit

    But now I know how does it look like inside…and what transistors are there. Hold on! My review's gonna be much more thorough…if the unit survived

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    Maaan it survived and is kicking! I hope it is not cheating when I repair one bad soldering for one of the modular connectors. I could use different one anyway so that's gonna save me another opening after the loading is done.

    I am curious whether at least the power reading will be accurate under some real load as with 0 W load, it tells me I draw four watts and it has 45 % efficiecy The ZDPMS provides NO control over OCP/OPP and NO control over any voltage than +12 V. And as the Seasonic G/S12G family, those stupid Anpec DC-DC controllers start with high no-load voltage. I hoped I'll be able to regulate that myself…no way.

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    Default

    Quote Originally Posted by Behemot View Post
    Maaan it survived and is kicking!
    It works now, but in my experience that kind of de-soldering heat tends to shorten lifespans

    Best keep an eye on it. I don't even think about selling them if it takes that much heat to pull parts out of them.

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    I think it's not gonna be that bad after all. The core was hot so I did not kept my fingers on it but I don't know what the temperature really was. And the unit must be ready to handle at least 120 °C as that's the upper limit of the OTP and <90 °C long term as that's the lower limit of the OTP. And quality transformers at least in UPSes are mostly labeled as 140-180 °C.

    Besides, I provide 2y warranty for these samples from my own pocket. Don't do more as obviously I cannot RMA that anywhere The price is accordingly lower, sure…

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    This is as far as went. Its review is ready by me for ages now but still isn't posted






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