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Which Material for vga waterblock is better?copper or nickel

post #1 of 8
Thread Starter 
hi friends. I want to buy waterblock for my vga cards but i do not Know Which of them have best performance .copper or nickel or ....
Heatkiller GPU-X³ 79X0 nickel or copper???
tank you
post #2 of 8
Purely from a science standpoint, copper conducts heat better so I'd say go for that.
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post #3 of 8
Copper is supposed to dissipate heat more effectively but many Nickel plated blocks produce better results (but are more expensive). The temperature difference will most likely be insignificant though, so pick what looks best IMO.
post #4 of 8
Quote:
Originally Posted by TheLawIX View Post

Copper is supposed to dissipate heat more effectively but many Nickel plated blocks produce better results (but are more expensive). The temperature difference will most likely be insignificant though, so pick what looks best IMO.
If nickel blocks are only nickel plated, I'd guess that it is copper underneath. If that is the case, this would be superior because nickel is harder than copper and won't imprint as easily as copper will over time being smashed against the CPU chip its entire life. If the copper starts to imprint it will lose its torque against the CPU chip and cooling will be reduced. I don't know this for a fact but that would be my theory based on the properties of nickel and copper.

In this case, I should say GPU chip, but its function is the same as a CPU, only for graphics rendering.
Edited by croSSeduP - 5/24/13 at 11:29pm
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post #5 of 8
Thread Starter 
I'm a beginner .i do not know that is full nickel or only nickel plated.Do you know?cited :Material: Electrolytic copper – nickel plated, stainless steel, POM (black), inlay anodized black

http://www.frozencpu.com/products/16430/ex-blc-1166/Heatkiller_GPU-X_79X0_Radeon_HD_7970_Reference_Design_Full_Coverage_Water_Block_-_Nickel_Black_15021.html?tl=g30c309#blank
post #6 of 8
Quote:
Originally Posted by croSSeduP View Post

If nickel blocks are only nickel plated, I'd guess that it is copper underneath. If that is the case, this would be superior because nickel is harder than copper and won't imprint as easily as copper will over time being smashed against the CPU chip its entire life. If the copper starts to imprint it will lose its torque against the CPU chip and cooling will be reduced. I don't know this for a fact but that would be my theory based on the properties of nickel and copper.

In this case, I should say GPU chip, but its function is the same as a CPU, only for graphics rendering.

This is a waterblock, and it's the nickle in contact in contact with the water that should worry you. In fact, I'm pretty sure most blocks only coat the area in contact with the water, or liquid you are using, because nickle doesn't corrode as much as copper. I may be wrong on that though, so don't quote me.


While nickle doesn't present a risk of corrosion while mixing it with copper/brass/ etc it does present a MAJOR risk. A LOT of people have issues with the nickle plating "flaking" off. Flaking off doesn't present any possibility of damaging your loop, however it will require you to return the waterblack, and most likely disassemble your waterblocks and clear out all the scaling it will almost certainly have.




In general avoid nickle plated blocks. While there isn't any abundant risk of corrosion, there is various issues people have with nickle plated blocks.
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post #7 of 8
I see a lot of misinformation in this thread.....

There is no thermal difference between a copper block and a nickle plated copper block,its a purely aesthetic choice.
EK is the only recent manu to have plating issues,mainly due to the poor surface prep of the blocks prior to plating. koolance have had issues in the past but seem to have resolved that problem.

Choose which you like the look of and go with that. thumb.gif
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post #8 of 8
Thread Starter 
tank you
if No difference .i think my choice is nickel plated waterblock
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