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AC Xtreme Plus and VR004 review (GTX570) + poof update - Page 5

post #41 of 49
Quote:
Originally Posted by Chris Ihao;13070844 
Asus advertise volt modding with their DcuII's as well, so I guess it should be able to take it.

ASUS makes good non-ref cards so the DCII should handle anything you throw at it. And your right, at least you get a 580 out of it. smile.gif
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post #42 of 49
The 570 death was the crappy VRMs, not the AC pro.

i'm considering buying one myself smile.gif
post #43 of 49
Thread Starter 
Quote:
Originally Posted by SpeedNuggeT;13070876 
The 570 death was the crappy VRMs, not the AC pro.

i'm considering buying one myself smile.gif

Its a combi I would say, with a clear emphasis on crappy vrms. I DID overclock quite a bit up to 1.1v with the stock cooler, all this over quite a period, so perhaps the stock cooler was able to keep it just under the meltdown levels. Remember its a MUCH bigger sink. Perhaps 10-20% I would atribute to the AC VRM sinks and 80-90% to the component quality.

Looking forward to testing out the DirectCU II.
    
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post #44 of 49
I was going to get one of these for my 6950... now I'm not so sure. Are there VRM sinks we can use to replace the AC ones?
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post #45 of 49
Thread Starter 
Just a quick update. Replaced my dead 570 with an Asus GTX580 Directcu II today. Ran through 3dmark11 on 900/1800/2004 @ 1.075 volts. In my experience 3dmark11 is a good stability tester, so I hope this oc remains solid. I dont see any point in overclocking the mem above the 2004 stock due to little performance increases. Generally I think I will remain safely seated on these levels with this latest experience freshly in mind.

Oh, and I am also quite happy with the performance vs. noise level on the cooler itself. It maxed at 42% fan speed, and the max temp so far is 72c. I cant say I notice the fans compared to the other cabinet fans. All in all VERY happy with this card applaud.gif
Quote:
Originally Posted by grassh0ppa;13079809 
I was going to get one of these for my 6950... now I'm not so sure. Are there VRM sinks we can use to replace the AC ones?

Yeah, there are several. Just look around. http://www.enzotechnology.com/mos-c1.htm
    
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post #46 of 49
This is all creeping me out.Wondering if I should sell my 570 . I have been waiting and waiting for the Zalman3000 to become available ,but I don't even know if that will be enough. I would much rather have even a 480 now than my 570.
post #47 of 49
Thread Starter 
Quote:
Originally Posted by cutty1998;13111518 
This is all creeping me out.Wondering if I should sell my 570 . I have been waiting and waiting for the Zalman3000 to become available ,but I don't even know if that will be enough. I would much rather have even a 480 now than my 570.

If you're running stock you should normally be ok. I understand you though. Just remember that I were oc'ing quite a bit, like many others here. Cheers.

PS: Ran crysis at above speeds for at least 30 minutes with no issue. Max 72c/29% fan. Love this card.
Edited by Chris Ihao - 4/13/11 at 11:27am
    
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post #48 of 49
I can't say I would blame the VR004 kit sinks for this, the card has next to no cooling with the stock plate on it anyway. I think if they are going to go they will go no matter what you have cooling them.
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post #49 of 49
Thread Starter 
Quote:
Originally Posted by Maxxa;13111971 
I can't say I would blame the VR004 kit sinks for this, the card has next to no cooling with the stock plate on it anyway. I think if they are going to go they will go no matter what you have cooling them.

Once again, its strange that this happened two days after installing the VR004 kit. I also do not agree whatsoever that the vrms has no cooling with the stock cooler mounted, as thats a BIG friggin' heatsink all in all, compared to a tiny light-metal one like in the VR004 kit.

I tested the vrm sinks that were used on the AC coolers last time around, and the vrms reached a blistering 120-130 degrees Celsius on my GTX280 back then (hence my stock cooler mod, involving sawing off a part. dropped 20-30 degrees with just a section of the stock cooler).

Edit: Seems like my new 580 hits a wall at pretty much exactly 920 core. I feel that the cost for passing this border, if at all possible in the long run, is too much in terms of volts to be worth the small increase in fps. Oh well, a very nearly silent 920c oc is a ok in my book.
Edited by Chris Ihao - 4/13/11 at 11:30pm
    
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