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My motherboard will die, help me find Mosfet Heatsinks!

post #1 of 14
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I plan to be doing a lot with my build over the summer, like updating my bios to support a Bulldozer processor. I plan on doing some extreme overclocking with it though and I'm pretty sure my motherboard will explode.

What would be the best thing to do to cool this board?
The only thing I'm currently not interested in is cooling other than air.
    
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post #2 of 14
ram heatsink (might) do the trick. just find the right shape and size
post #3 of 14
It...already has a sink on it.
Unless you can remove it, which is not recommended, you pretty much have to get a new board if you're overclocking the 125w.
MSI mosfets aren't that great.

If it's not your sig rig you're talking about, either mos-c10 or mos-c1 will do.
Expensiveexpensiveexpensive mos-c1's though.
Edited by Shomiyamu! - 4/8/11 at 9:07pm
    
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post #4 of 14
This is your board, right?



See the big heatsink (to the left of the CPU socket) that says '140W CPU Ready'? Yeah, that heatsink is already cooling the mosfets. You're fine.
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post #5 of 14
Quote:
Originally Posted by Diabolical999 View Post
This is your board, right?



See the big heatsink (to the left of the CPU socket) that says '140W CPU Ready'? Yeah, that heatsink is already cooling the mosfets. You're fine.
He can't have high overclocks on a 4+1 phase and a 125w cpu because of MSI's low quality mosfets.
    
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post #6 of 14
I've pushed 3.8ghz on a 955x4 BE on my previous Asus M4A77D motherboard which I believe only has 4+1 phase also and no heatsinks on mosfets for about 2 years and it did just fine, but then again it was an Asus board & if MSi boards do have weak mosfets as everyone says then you might not want to go crazy with the overclocking

& yes, if thats your motherboard you already have mosfet cooling with that huge passive heatsink, You could always find a way to attach a fan to it? Or use an Antec spot cooling fan to direct air around the mosfet area, it'll help_
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post #7 of 14
Quote:
Originally Posted by httuner View Post
I've pushed 3.8ghz on a 955x4 BE on my previous Asus M4A77D motherboard which I believe only has 4+1 phase also and no heatsinks on mosfets for about 2 years and it did just fine, but then again it was an Asus board & if MSi boards do have weak mosfets as everyone says then you might not want to go crazy with the overclocking

& yes, if thats your motherboard you already have mosfet cooling with that huge passive heatsink, You could always find a way to attach a fan to it? Or use an Antec spot cooling fan to direct air around the mosfet area, it'll help_
Asus mosfets never blow up because they have a protection that lowers the voltage if it gets too hot.
    
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post #8 of 14
stick some washers under the plastic push pins to add pressure
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post #9 of 14
Quote:
Originally Posted by Shomiyamu! View Post
It...already has a sink on it.
Unless you can remove it, which is not recommended, you pretty much have to get a new board if you're overclocking the 125w.
MSI mosfets aren't that great.
Not necessarily. My 125w 965 C3 has been running @ 4+ Ghz since I purchased it 8 months ago. There is only one (that I can recall) failure of an x4, and the vast majority of failures were from Thuban equipped boards. I won't claim that it'll support oc'ing BD, far from it. I don't trust it past 4 cores. I do however agree on getting a better board for Zambezi.

Quote:
Originally Posted by wumpus View Post
stick some washers under the plastic push pins to add pressure
Great idea, the heatsinks are screwed down though. So just use nylon washers in place of the springs to pressure mod it.
Edited by Lucky 13 SpeedShop - 4/8/11 at 11:23pm
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post #10 of 14
Pressure mod the mosfet heatsink mounting, and make sure the big 140mm central fan in that huge noctua heatsink is down nice and low so it pushes air over the mosfet area. Other than that, your only other options are to increase case airflow some more and to consider replacement TIM on the heatsink (MX Diamond would be good, as would any non-conductive TIM - AS5 would be bad)
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