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Thread: Preview: Be Quiet! Straight Power 10 700 W CM (E10-CM-700W) @HWI

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    I do not recognize this board. It is not the NZXT unit and it is not the E10 CM I have on my bench. It has totaly different layout, it is not even similar by far. What is it than? Calling out one board and saying a completelly different second board are the same thing is quite strange to me.


    I can clearly see there are transformer winding taps on my board and there are transistors soldered to them. And there are synchronnous rectification controllers driving them. If you would mind to explain in what universe you make buck converter out of AC supply, driven by rectification controllorer, I would be very glad to learn something new, thanks.
    Last edited by Behemot; 07-23-2016 at 02:18 PM. Reason: images

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    Both are Straight Power 10, Microflop picture is from a lower wattage model and yours from a higher wattage model.

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    Behemot (07-23-2016)

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    Which one? Is it the 400W non-modular version? That would make sense than. (I actually asked for this model because it was on discount for couple months, making it much more interesting buy than for normal price. Got this 700W one.) Otherwise, usually 700/750W version is still the lower wattage version, but in this case it seems it is not.

    Yet, you can see that you can not generalize just by measuring one unit of a family. These boards are completelly different, it's like Seasonics G-360 (SSP-350GT) and the rest of the G family. Those were also actually performing very differently (it was like a night and day). Good that G-360 is still being made, even after the years it is still very good unit and actually most likely still the best low-power option.

    EDIT// I can see now, after going through couple more articles, there are indeed two versions: 500W and 600W CM have DC-DC modules, while 700W and 800W use this AR system with secondary winding. It also seems according to your review of the 400W non-modular that it also uses that DC-DC system.

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    Probably 500W or 600W, the 400W should have 3 shunts, even if my sample had 4, but that was only for the first ones, was a mistake if I recall correctly.

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    Yeah see my edit. They had 500W on CB which is same as 600W. Than 700 and 800W use different platform. OK, I think it explains a lot now. Thanks for pointing me to the right direction, other responses in this thread did not help as much.

    I can just hope that next time instead of strong-arming and thinking how stupid the other one is and that you are the only right one when you saw something, ppl will be able to state right away what the hell they actually had in their hands. As you can see, we all saw different HW, and they all exist one to each other. Than we could have solved this mystery much sooner. It's called cooperation. You all know what I have here, instead of posting anonymous images, state what did you have and what do you talk about next time!

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    Quote Originally Posted by Behemot View Post
    Which one?
    400-600W use one plattform, 700 and 800W the other...

    Oh and there are only 5 thingys for the +3V3 and +5V rail, 2Q5 does something in the +5V Rail (maybe switch between +5VSB and +5V live rail)?
    Yes, 2Q5 switches between 'Standby' and 'Live mode' for the +5VSB rail on the ATX connector.
    There seems to be a violet cable from the +5V rail solderjoint right before 2Q5 wich therefore switchges that to +5VSB.

    Q503 and Q302 are the MOSFETs that switch against ground...
    Q502 and Q301 are the high side switchers.

    ANd the naming of the MOSFETs is great:
    Q50x -> +5V Rail
    Q30x -> +3V Rail
    Last edited by Stefan Payne; 07-23-2016 at 11:14 PM.

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    With some further delays, here finally goes http://www.hardwareinsights.com/wp/q...m-700w-review/

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    I have yet to read the whole review, but...

    After reviewing a top high-end unit from Be Quiet!, namely the Pure Power P11 550 W...

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    − poor capacitor quality
    You should have taken a look at the spec sheet!
    The Teapo SJ are equivalent to Nippon Chemicon KZE, so they are not 'poor quality'!
    They are decent at worst...

    Poor Quality is something like ChengX and HEC capacitors, but not Teapo...

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