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Thread: Seasonic m12ii 520 EVO good enough in 2019?

  1. #21
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    Quote Originally Posted by Tator Tot View Post
    You don't always need to cut, as you can sometimes take the bearing apart without cutting anything. Once you break that seal on an FDB the fan pretty much becomes useless unfortunately, but most fan OEM's just use the same model number for sleeve bearing as they do a Rifle, FDB, or HDB.
    You can also talk to an engineer or product manager at the company; they can sometimes supply appropriate documentation to show how they source the fan and the proper technical diagrams to show it's a proper FDB.
    Yes, but count me as a cynical old man -- I grew up in the 1960s. What you said earlier -- "Because, unless they have a skilled engineer on staff then they could get duped by the Fan OEM into taking an inferior product" rings true. I can see fan OEMs baiting and switching -- the first-delivered specimens being rifle or FDBs, the later stuff being the cheaper sleeve bearings. So it requires that the PSU OEM have good QC to make sure all parts of the device meet spec. This would be true for large OEMs. Is Seasonic large enough to have thorough QC? Can we trust them?
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    Quote Originally Posted by ehume View Post
    Yes, but count me as a cynical old man -- I grew up in the 1960s. What you said earlier -- "Because, unless they have a skilled engineer on staff then they could get duped by the Fan OEM into taking an inferior product" rings true. I can see fan OEMs baiting and switching -- the first-delivered specimens being rifle or FDBs, the later stuff being the cheaper sleeve bearings. So it requires that the PSU OEM have good QC to make sure all parts of the device meet spec. This would be true for large OEMs. Is Seasonic large enough to have thorough QC? Can we trust them?
    Relative to some other OEMs like CWT & FSP; they are rather small.

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    Quote Originally Posted by ehume View Post
    Can we trust them?
    Depends who you ask and talk to...

    But something to keep in mind (sadly only Russian), what you see here is reason enough to be sceptical...
    Last edited by Stefan Payne; 03-20-2019 at 05:59 AM.

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    Quote Originally Posted by Stefan Payne View Post
    Depends who you ask and talk to...

    But something to keep in mind (sadly only Russian), what you see here is reason enough to be sceptical...
    Your link is very broken; https://ru.gecid.com/power/seasonic_...ss-620gb_2015/

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    seems like a few folks are still buying this unit....its got a 3 yr warranty, that should tell ya something....

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    Quote Originally Posted by Stefan Payne View Post
    Depends who you ask and talk to...

    But something to keep in mind (sadly only Russian), what you see here is reason enough to be sceptical...
    Please explain.
    From that review they even pass (surprisingly ) the cross load tests....

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    Quote Originally Posted by none77 View Post
    Please explain.
    From that review they even pass (surprisingly ) the cross load tests....
    Look at the Label.
    Look at the PCB...

    Quote Originally Posted by Tator Tot View Post
    Indeed it was...
    Fixed it, thanks for mentioning it...

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    Quote Originally Posted by Stefan Payne View Post
    Look at the Label.
    Look at the PCB...


    Indeed it was...
    Fixed it, thanks for mentioning it...
    I will need your help here....

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    I believe hes talking about how Seasonic claim it has dual 12V rails but the HY510N protection IC only supports a single 12V output.
    Just some nerd from 'Straya

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    Quote Originally Posted by none77 View Post
    I will need your help here....
    For multiple +12V Rails you need:
    a) seperated solderjoints
    b) traces from the seperated Solderjoint to a supervisior
    c) a supervisior that uses that.

    S12II-Bronze has none of what you need, yet the Label states two 12V Rails with 20A each...

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