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How far can i push my 570 with 620 mod?

post #1 of 9
Thread Starter 
Hey guys iv had my 570 modded for a few months now and haven't even touched it in terms of OCing, it works great and idles around 28-30 etc.

I was wondering how far can I OC the card? I heard that the 570's have bad VRM's or something and that OCing them is not a good idea? I have a zotac 570 btw ( non-amp). I like to usually keep the fan on lower speeds but just want to get some feed back and get a few things cleared up.

Thanks.
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post #2 of 9
Probably could get around the 950 range at least, as for the VRM issues, you should keep an eye on the temps as you overclock. I'm pretty sure they fixed it but it really depends when you got your card.
post #3 of 9
Thread Starter 
So keep an eye on the temps right, but dont VRM temps matter as well? As far as I know 570's dont have temp sensors there so i guess i shouldnt really worry then? Im probably going to need the voltage to be at round 1.1 i assume for 950?
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post #4 of 9
Do you have one of Dwood's brackets?
If not, try and get one with the fan extension, that will cool your VRMs.

http://www.overclock.net/t/1237219/tript-cc-620-920-h50-h70-gpu-brackets-fan-grills-custom-case-badges#
post #5 of 9
we need OC test and LOAD temps rolleyes.gif
post #6 of 9
Thread Starter 
Ok so i tested an OC, 900/1800/2000 @ 1075 voltage and was playing bf3, seems to work fine but i have an issue.
Temps maxed out at 78 degrees C

Does that not seem strange or is that expected with 1075 voltage?
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post #7 of 9
Quote:
Originally Posted by cruisx View Post

Ok so i tested an OC, 900/1800/2000 @ 1075 voltage and was playing bf3, seems to work fine but i have an issue.
Temps maxed out at 78 degrees C
Does that not seem strange or is that expected with 1075 voltage?

Use MSI Afterburner and make a custom fanprofile thumb.gif

I run my Gigabyte GTX 570 (Reference design) at 850/2000@1.050v rock stable. I dont dare to push it very hard due to the weak VRM design. Anyway, mine is not good for 900MHz at or below 1.1v, so I take it easy.

Using a custom fan profile in MSI afterburner ables me to keep my card very cool compared to the stock fan settings.
    
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by tHe GoLdEn MaN View Post

Use MSI Afterburner and make a custom fanprofile thumb.gif
I run my Gigabyte GTX 570 (Reference design) at 850/2000@1.050v rock stable. I dont dare to push it very hard due to the weak VRM design. Anyway, mine is not good for 900MHz at or below 1.1v, so I take it easy.
Using a custom fan profile in MSI afterburner ables me to keep my card very cool compared to the stock fan settings.

But im using a 620 water cooled mod, i tried it again and it seems to be a bit better hovering at around 65 C
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Corsair HX750 HAF 912 
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post #9 of 9
65 degrees C aren't too bad. GPUs can take a bit of punishment temperature-wise.
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