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post #3131 of 8626
I don't see any reason to worry. I have a fan directly blowing on the VRMs and memory, and my max temps so far even with overclock have been 52-55. I'm pretty happy with it smile.gif With the same OC with the stock cooler I was hitting 75+ even with a custom fan curve. Plus its whisper quiet compared to the stock cooler thumb.gif
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post #3132 of 8626
Hmmmmmmm, if theres no worry of blowing VRMS I just might take the plate off when my FTW arrives
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post #3133 of 8626
Quote:
Originally Posted by JTHMfreak View Post

Hmmmmmmm, if theres no worry of blowing VRMS I just might take the plate off when my FTW arrives

I'm not an expert by any means, but I can imagine as long as there is sufficient cool air blowing on the VRMs, and you don't crank the voltage, it should be fine. (Even with my OC voltage target never exceeds 105%).

Anyone feel free to correct me if I'm wrong.
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post #3134 of 8626
Quote:
Originally Posted by estabya View Post

I don't see any reason to worry. I have a fan directly blowing on the VRMs and memory, and my max temps so far even with overclock have been 52-55. I'm pretty happy with it smile.gif With the same OC with the stock cooler I was hitting 75+ even with a custom fan curve. Plus its whisper quiet compared to the stock cooler thumb.gif

I put my hand on the VRM's (mine have a nice heatsink) after I did the mod and almost lost a finger, they get damn hot and that is WITH a heatsink. Required heatsink + Fan and the sink still feels quite hot when under heavy load.
post #3135 of 8626
Quote:
Originally Posted by Chickenman View Post

I put my hand on the VRM's (mine have a nice heatsink) after I did the mod and almost lost a finger, they get damn hot and that is WITH a heatsink. Required heatsink + Fan and the sink still feels quite hot when under heavy load.

Hmm interesting. All of the research I did led me to the conclusion that a fan blowing directly on them would be sufficient. I guess I'll have to throw some 'lil heatsinks on those dang VRMs tomorrow.
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post #3136 of 8626
Quote:
Originally Posted by estabya View Post

Hmm interesting. All of the research I did led me to the conclusion that a fan blowing directly on them would be sufficient. I guess I'll have to throw some 'lil heatsinks on those dang VRMs tomorrow.

Unless I could prove to myself via personal testing that they didn't need heatsinks I would always take the "better safe than sorry" approach. Hell, if you get a temp probe or IR thermometer and find that they only hit 20° under 1.212V... then... well, ignore it.

My sink was hot enough to hurt without the fan, it aint scientific but it's an indicator biggrin.gif


My world was shattered yesterday when I saw the google stats regarding HDD and the increased likelihood of failure if below 40°.. I can't even get mine that hot rolleyes.gif
post #3137 of 8626
Just finished this mod, here are some pics:



I have more pics and detailed description in the thread here:
http://www.overclock.net/t/1349626/msi-560-ti-nvidia-cooling-mod-another-one
My idle temps are around 33c and my load temps are around 52c, my old temps were 45c and 78c, meaning huge improvement over my old twin frozr.
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post #3138 of 8626
Quote:
Originally Posted by estabya View Post

Hmm interesting. All of the research I did led me to the conclusion that a fan blowing directly on them would be sufficient. I guess I'll have to throw some 'lil heatsinks on those dang VRMs tomorrow.

Maybe you or someone can detail what your doing to guide others.
Reference GTX670, GTX680 boards.
Fan part number, speed, voltage, size, vendor link.
VRAM Heatsink brand, and size(s), vendor link.
VRM heatsink too.
Temperatures with and without heat sinks. Always include room temp.
How much air CFM do you think is needed.
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post #3139 of 8626
It might also be good to find out the MOSFETs part numbers. We might be able to create a table or formula for how much cooling you will need based on things like efficiency, surface area, maximum temperature, number of phases, etc.
    
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post #3140 of 8626
Quote:
Originally Posted by estabya View Post

Haha I know huh. My house is always super dusty because of our dog. I meant to grab some air at radio shack yesterday but totally spaced it. It'll be fixed within the week though smile.gif

Get yourself one of these http://www.overclock.net/t/1094261/metro-vacuum-datavac-club

You will never have a dust problem again, ever...
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