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AB350M pro4 vrm

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KazadorI View Drop Down
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    Posted: 06 May 2017 at 7:21pm
down anyone know the thickness of the vrm thermal pad? i was looking at replacing it with a high performance pad such as " Fujipoly Ultra Extreme " which has a Thermal Conductivity 17.0 W/mK but it comes in .5 or 1.0 mm thickness and im not sure which one to get.
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wardog View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 1:19am
Considering 1mm is 0.0397in I'd shoot for something thicker.

I see they're push pinned down.


Manufacturing differences across the tops of the VRMs I would imagine be greater than 1mm. Which would certainly leave a gap over one or more, and making no contact whatsoever.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 1:21am
ie: 0.5mm or 1mm is fine between the processor and it's heatsink.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 7:34am
I removed a VRM heatsink from a different ASRock board, and I'd say the thermal pads were ½mm thick.

That type of material is rather soft and compresses easily, so a 1mm pad would likely work fine too.
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