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MOSFET overheating

post #1 of 11
Thread Starter 
Hello,

Is it normal for mosfet on Asus rampage iv Formula to overheat using watercooling AIO? Push config(exhaust).

I had the issue resulting in Prime95 crashing. Put an extra fan to blow on the area round the CPU and issue went away.

So as permanent solution I use the rear fan as intake instead and now all is OK.
post #2 of 11
When there's no CPU fan blowing on the Mosfets they can overheat.
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post #3 of 11
This is why you can get motherboard waterblocks too.
post #4 of 11
Quote:
Originally Posted by DanielCoffey View Post

This is why you can get motherboard waterblocks too.

Not really. Mosfert blocks are quite restrictive and also expensive.
Simply adding a fan blowing on the mosfets is much simpler.
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post #5 of 11

tumblr_static_tumblr_mywb32gffi1se8ddwo1_500.gif

 

And where'd you hear that? All of our motherboard/mosfet blocks are designed for very high flow. Check out wermad's build, he has the RIVE full board block, two ram blocks, a cpu block, 4 GPUs blocks and a ton of radiators, with a single DDC. 

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post #6 of 11
Quote:
Originally Posted by billbartuska View Post

When there's no CPU fan blowing on the Mosfets they can overheat.

This.
Quote:
Originally Posted by derickwm View Post

tumblr_static_tumblr_mywb32gffi1se8ddwo1_500.gif

And where'd you hear that? All of our motherboard/mosfet blocks are designed for very high flow. Check out wermad's build, he has the RIVE full board block, two ram blocks, a cpu block, 4 GPUs blocks and a ton of radiators, with a single DDC. 

He is correct,most mobo/vrm blocks are restrictive,1 manufacturer is not the whole game.

However restrictive is a broad term,restrictive compared to other blocks...sure. Restrictive to the point of harming overall performance...Nope,unless its one of ASUS hybrid nonsense blocks.
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post #7 of 11

I did specify ours, trying to keep it civil by not bringing in other manufacturers :D

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post #8 of 11
well then derick.....i want proof..in the form of a vrm/mosfet block for the asus P8Z77-I Deluxe itx board tongue.gif

im jk...though i could really use one...fan is not good enough...
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post #9 of 11
Quote:
Originally Posted by derickwm View Post

I did specify ours, trying to keep it civil by not bringing in other manufacturers biggrin.gif

Hey,im a Watercool fanboi,we dont need to prove our manliness,we know whats good.



Phobya on the other hand.........


Quote:
Originally Posted by PCSarge View Post

well then derick.....i want proof..in the form of a vrm/mosfet block for the asus P8Z77-I Deluxe itx board tongue.gif

im jk...though i could really use one...fan is not good enough...




Just Sayin'
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post #10 of 11
Quote:
Originally Posted by PCSarge View Post

well then derick.....i want proof..in the form of a vrm/mosfet block for the asus P8Z77-I Deluxe itx board tongue.gif

im jk...though i could really use one...fan is not good enough...

I have the same 4.4Lpm flow when I run the MOSFET block and when it's bypassed. EK block on a CHVFZ. Most AMD OC'ers add fans to the back side of the MB to aid cooling of the MOSFET and socket area, with or without a MOSFET water block. I have a 220 watt cpu a inch from the VRM-MOSFET array.
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