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Thread: Question about nes HX Corsair coil whine feature builtin.

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    Default Question about nes HX Corsair coil whine feature builtin.

    Hello !
    I want to change a prime seasonic 1000w with a corsair 750 w becouse of a fan noise ''brrr'' . Level of coil whine is important to me .(Needed 1000w for fan/load in a silent system, so you don't ask why I choose 1000w - psu fan makes most of noise in my psu )

    On the corsair site at hxi series it's written :
    ''The HXi is built with capacitors and other internal components specially selected to reduce coil whine and other electronic noise.'' http://www.corsair.com/en-eu/hxi-ser...-certified-psu

    My question is if the new 2017 hx series has the same build for reduced electric noise/coil whine .Couldn't get an answer by speaking with corsair support .
    http://www.corsair.com/en-eu/hx-seri...modular-psu-na

    Maybe someone knows .
    Thank you,

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    Yes, but that doesn't mean you can't get coil whine.

    Do you need 750W than?

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    My peak overcloking load would be 555w with z77xud4h + 3570k , 1080ti lightning msi , 1 ssd , 2x8gb ddr3 and 8 fans x120mm .

    I want a 750w to have a safe limit of 20% or 30% over 555w . I was thinking for a 8core overclockable cpu/mb ubgrade in next years . I believe this 20 % - 30% is better for noname psu's , but i'm taking tha math for the fan starting at load/noise .

    I know coil whine is relative ,thx , so you say hx has same features ?

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    HX Platinum is just HXi without LINK. That's it. Nothing else is different.

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    Quote Originally Posted by jonnyGURU View Post
    HX Platinum is just HXi without LINK. That's it. Nothing else is different.
    It would be nice for Corsair to write same thing about the electric noise on both hx and hxi series info page .

    Glad to hear it as I had to choose between hx 10 years warranty , dark power 5 years warranty and prime 12 years warranty .
    Thank you ,

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    Copy was written over a year apart by different people.

    And like Mask said, there's never 100% guarantee against coil whine.

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    Quote Originally Posted by jonnyGURU View Post
    HX Platinum is just HXi without LINK. That's it. Nothing else is different.
    Well, you forgot the 4 pins on the ATX Connector that are missing on the HXi.

    But yeah, the differences are minor, nothing worth writing about...

    Quote Originally Posted by jonnyGURU View Post
    And like Mask said, there's never 100% guarantee against coil whine.
    Yeah, because Coil Whine is somewhat like a resonant problem. If some components switch at a frequency the PSU doesn't like, you have coil whine.

    There isn't much you can do about - except to RMA the PSU and hope that 'the other one' will be better.

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    A question : about dark power and hx psu ,750w , this 2 psu's use a single rail 12v supply with multiple OCP named virtual rail , or this 2 psu's use multiple 12v supplies each with their own OCP ?

    My 1080 ti has 3 x 8pin , 250w at standard clock peak load , but it can get to 340w(http://www.guru3d.com/articles_pages..._review,8.html) peak overcloked , msi recommends a 750w psu(noname watt rec probably) . Would disabling OCP on any of those 2 psu's give the needed power for my 1080ti/3570k intel system ? Or there are other factors to consider ? Thank you .

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    Both are multi rail designs because of the multiple OCP implementations. A single rail PSU like for example the Corsair RMx series lacks this protection. Because of that it's easier to overload a connector or cable. Or in case of a short the PSU could take more time to shutdown or doesn't shutdown at all. Because of that the chance is bigger that a component dies in a case of a problem.

    So you shouldn't disable the over current protection. With your PC it never gets triggered accidentally. The current through one connector won't be that high.

    Guru3D by the way doesn't measure the power consumption of a graphics card, they only do a wild guess based on total power consumption. Also don't listen to the recommendation of the graphics card manufacturer, they are way off, based on nothing.

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    Quote Originally Posted by -The_Mask- View Post
    Guru3D by the way doesn't measure the power consumption of a graphics card, they only do a wild guess based on total power consumption.
    Yeah, for graphics card only power consumption I prefer TPU.

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