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Thread: Seasonic Prime Titanium 650W (five units tested!) review @ TweakPC (German)

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    Internal Analysys for whom??

    For other PSU companys?

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    Quote Originally Posted by breixobaloca View Post
    Epic unit... And epic review, it's nice to see that quantity (and quality ) of tests.

    I only miss an internal analysis, you know my opinion about the lack of them. But NO, another debate of this no, please! Don't reply my comment
    P.S. The image of the 4 Primes and the boxes & the image of the equipment will be part of my dreams this night!
    Thank you!

    We will ad even more tests soon, i am working on it.
    Have plenty of more ideas.

    Internals, yea, i guess we had that discussion ^^
    perhaps when i do not find anymore usefull other tests i can do

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    thanks for the review! Nice work man!

    One question though. You have found OPP to be at 963W and OCP at +12V to 83A, so the total load is 996W. This doesn't make much of a sense to me.

    First how you can be sure that OPP actually didn't shut down the unit and not OCP, since officially at least this unit doesn't have OCP (although Seasonic likes to put this protection in its units) and how you explain that you actually found OPP to be lower!

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    tinpoint (11-09-2016)

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    Quote Originally Posted by RobiKenobi View Post
    Found a big Error in the Prime Series!

    it seems some of them have the Seasonic Emblem on the top in the wrong direction

    One of my retail samples had it wrong ^^
    Noticed that after Shooting all the Pictures ...

    http://www.tweakpc.de/hardware/tests...me_test_23.jpg

    top right one
    LITERALLY UNPLAYABLE.

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    I am thrilled with your work, very representative review.
    I noticed a small mistake.
    If you measure the tension of the Prime directly on the cable, you get almost incredible results! In this measurement method, the Prime becomes almost a constant current source, where the voltages are almost unchanged with increasing load.
    You mean ideal constant voltage source?
    It is very nice to see the evolution of switch power supply, ie decrease of gap between the performance of linear power supply and switch power supply.
    They became so good that the requirements for adequate equipment to test them are proportionally increased as you point out.
    Once again the Prime is brilliant in most tests, only conditionally negative is the high inrush current(57,6A)

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    Quote Originally Posted by crmaris View Post
    thanks for the review! Nice work man!

    One question though. You have found OPP to be at 963W and OCP at +12V to 83A, so the total load is 996W. This doesn't make much of a sense to me.

    First how you can be sure that OPP actually didn't shut down the unit and not OCP, since officially at least this unit doesn't have OCP (although Seasonic likes to put this protection in its units) and how you explain that you actually found OPP to be lower!
    Mhhh,

    damn you are right. i will look into this, maybe i have an error in the Diagramm or something.

    Just to explain what i do here

    To Test OPP i will load the PSU to 100% Load from the 80 % specs, so all rails, and then overpower the 12V Rail until it shuts down.
    That seems more practical to me than overpowering all rails.

    i know i can and may also trigger OCP with that test. But i have no idea how to prevent that.

    OCP i will only load minor rails to minimum loads and then overpower 12V

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    Quote Originally Posted by ITelektro View Post
    I am thrilled with your work, very representative review.
    I noticed a small mistake.

    You mean ideal constant voltage source?
    It is very nice to see the evolution of switch power supply, ie decrease of gap between the performance of linear power supply and switch power supply.
    They became so good that the requirements for adequate equipment to test them are proportionally increased as you point out.
    Once again the Prime is brilliant in most tests, only conditionally negative is the high inrush current(57,6A)
    Yes i mean constant voltage.

    German Language is sometimes quite mixed up with power and current I have to be more precise with my words.

    The inrush is a little higher yes. But its only this very little spike with 57A, top base is around 44 as you see in the picture.
    Last edited by RobiKenobi; 11-09-2016 at 07:31 AM.

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    Ok i found the error.

    I had some bugs in my vbscript that makes the Diagramms. So it put out some nonsens numbers.

    It did not increase the X scale right at some point so the Ampere Numbers where wrong.
    And the total power at 100% Load did just take 650 Watt, but ist 661 ...

    i have changed it now to a new Version, that also Shows Ampere in OPP
    Looks better now.

    Now the shutdown in my OPP / OCP12V test are at the same around ~ 950 Watt total

    So OCP12V is most likley triggered by OPP.

    @Aris big thank you for seeing this

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    @Aris also Big thanks

    i was suspect of the first OPP/OCP values but the mass of the "to do list" totally forgotten to look again at that part shame on me
    best regards
    Tinpoint

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    guys no worries. We all make mistakes (and especially me due to the overload of work).
    Next time I think it is better to pm you and not post in public, since I don't like it so much when others do it to me

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