is there a limit in overclocking your GPU?

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saif_1996

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Jul 24, 2013
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i wanna overclock the crap out of my 3-way gtx 980's asus

but by doing this is there like a limit in overclocking? cause if theres no limit then i guess il buy the best water cooling thats in stock at a pc store close to me called EK-360X and buy i guess AX120I which is pretty expansive power supply

i wanna this to overcloack it as much as possible but is this power supply needed? is there a cheaper one in this site?

expansive one cost 1,990,00AED which is $540!?

http://computerpad.ae/product-category/computer-hardware/powersuppliesups/?orderby=price-desc
 
Solution
JackNaylorPE
nVidia GFX cards have gotten so power efficient that water cooling's benefit is limited to noise reduction and simply the fuzzy feeling ya get from running at low temps. I have a pair of Asus DCII 780s w/ EK blocks and on subsequent builds, I have topped their OCs with MSI 780s. The water cooled ones run at 44C ... 39C if i bump the fan speeds up to max. The builds w/ the latter design MSI 780s have hit the same or slightly better OCs but they run up to 80C....and of course, they run quieter under water.

http://www.tomshardware.com/answers/id-2311121/power-supply-requirements-nvidia-gpus.html#14243229

Three 980s will produce about 555 watts, 60% of which (333 watts) will need to be handled by the rads ... each 120mm of radiator...
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JackNaylorPE

JackNaylorPE

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Oct 30, 2004
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nVidia GFX cards have gotten so power efficient that water cooling's benefit is limited to noise reduction and simply the fuzzy feeling ya get from running at low temps. I have a pair of Asus DCII 780s w/ EK blocks and on subsequent builds, I have topped their OCs with MSI 780s. The water cooled ones run at 44C ... 39C if i bump the fan speeds up to max. The builds w/ the latter design MSI 780s have hit the same or slightly better OCs but they run up to 80C....and of course, they run quieter under water.

http://www.tomshardware.com/answers/id-2311121/power-supply-requirements-nvidia-gpus.html#14243229

Three 980s will produce about 555 watts, 60% of which (333 watts) will need to be handled by the rads ... each 120mm of radiator will supply about 60 watts of cooling at 1200 rpm and 85 watts of cooling at 1800 rpm

At 1200 rpm, the appropriate radiator would be 2 x 360mm rads (or 280 + 360)
At 1800 rpm, the appropriate radiator would be 1 x 480mm

For (3) 980s, you'll need 1000 watts (the three 980 draws 555 watts / CPU say 135 for an overclocked i7.) .... I'd suggest a Seasonic 1050 or 1250
 
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Solution
bootcher

bootcher

Splendid
Feb 22, 2013
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There is always a limit, but you cannot know before you try it. Watercooling can get you further compared to stock/air cooling, but only if done correctly. For a 3-way GTX 980 you need a heavy psu for sure, the Corsair 1500 will deliver more than enough power for it. Without heavy overclocking even the 1200 will be enough.

 
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Vlad Rose

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Apr 7, 2014
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Keep in mind that components can get damaged if overclocked too far. If you start seeing artifacts on the screen from your video card, you're beyond the limit. Make sure you do plenty of research as well; else you make end up with ~$1800 worth of useless silicon as a result.
 
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