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Asus GTX570DCII, potensial issue with missing RAM-heatsinks.

post #1 of 13
Thread Starter 
Hi there!

As you may know the Asus GTX570/580DCII editions dont have any RAM-heatsinks. Do you think this could be an issue when overclocking the card? I touched one of the RAM-chips with the Card on stock, but under full load and the poor chip was very hot.

How much can these chips take? If I just overclock the vcore, core and shader, will the memory be affected in terms of heat?
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post #2 of 13
Well, the chips are cooled by just air.
And by ocing your gpu and overvolting it the cooler on the card will dump more heat on to the ram chips and ergo they run hotter.
But I wouldn't worry about it. If it bothers you too much then go ahead and add some copper hs there to ease your mind.
Only situation where you would really need hs (E: and airflow ofc for the ram hs's) for your vram would be watercooling the card with a normal gpu block which only cools the gpu itself.

Sent from my HTC Desire using Tapatalk with this enabled just to annoy you.
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post #3 of 13
Thread Starter 
Well it worries my a little because it is under water with a hybrid-block. I have a 120mm fan in the side door and good airflow inside the case, but to be on the safe side I'll guess I just get a aftermarket hs-kit off some kind.
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post #4 of 13
Well if that is case then I would add some heatsinks there.
Enzotechs copper hsinks are good afaik

Sent from my HTC Desire using Tapatalk with this enabled just to annoy you.
Edited by lagittaja - 7/19/11 at 7:27pm
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post #5 of 13
Thread Starter 
Yes, I ordered Arctic Coolings VR004 kit for the Accelero Xtreme Plus. They are special-enginered for the GTX570. I'ts best to be on the safe side I guess
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post #6 of 13

Youve already ordered them?

Sorry but the DCII models do have VRM heatsinks.


If VRMs arent the memory chips please correct me
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post #7 of 13
Quote:
Originally Posted by jacobrjett View Post
Youve already ordered them?

Sorry but the DCII models do have VRM heatsinks.

http://www.youtube.com/watch?v=3Lqv-mQRyF0

If VRMs arent the memory chips please correct me
They aren't the same.

VRM = Voltage regulator modules.

VRAM = Video Random Access Memory.
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post #8 of 13
No.
VRM=voltage regulator module
VRAM=video ram
VRM: "This, is what deliver the power to our GPU. These little thingies, convert the power from the PSU, to a much lower volt in order to keep the GPU in safe working volts.

To simplify, each VRM, receives the 12V from the PSU, cut it, and deliver a much lower volt, around the 1V, to the GPU. Now that is a lot of work for just one little VRM now is it?

So what nvidia and amd did, was put more VRMs in order to share that load. Like instead of making one guy lift a 2 ton car, ask 10 guys to do it together."
Explanation by Defoler here on OCN

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post #9 of 13
Thread Starter 
Theres a pretty big hs covering the VRM so that shouldnt be a problem. New heatsinks, watercooled core and a Noctua NF-P14 FLX in windowed 690II Advanced sidedoor blowing straight towards the side of the card. I dont think theres gonna be problems related to heat with this setup.
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post #10 of 13
Thanks, I stand corrected.

I plan on possibly getting a watercooling universal block for one of my asus dcii gtx 570s, the top one, because i dont have a pcie slot in between, so i think the bottom one is suffocating the top one. At 1088vcore/850core/1950mem, I reached a whopping 95 degrees in heaven looped. (I was ~98% load the whole time though for about half an hour)

If I do this, I will definately be getting memory heatsinks. You probably should too, for the sake of being kind too your hardware.
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