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Is copper that much better?

post #1 of 9
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I am going to buy the Zalman CNPS7700, but there are two versions. An all copper heatsink or a two tone mostly made of aluminum. Will an all copper heatsink really make such a difference that i should spend the extra 10 dollars?
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Intel Baby
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post #2 of 9
It's a bit better with copper!
    
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post #3 of 9
The all copper is for the extreme air coolers that want the most out of their air cooling.


Now us watercoolers...we need copper too


So yes copper is for going the extra mile and getting the most out of your overclock.
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post #4 of 9
go for the solid copper. I loved my old CNPS7000
post #5 of 9
100% Copper > Any% Aluminum
post #6 of 9
you will be glad you spent the extra $10 in the long run. It cools better, and not to mention it looks better.
post #7 of 9
Of course the copper is better, but not by a really large margin. If you can save an extra few bucks, just get the regular. For example, the regular XP90 costs $30 while the XP90-Copper costs $50, but only has 1-2C better temps, so IMO not worth spending the extra $20. But this varies from heatsink to heatsink.
post #8 of 9
It has to do with the denisty of the metal and the MAGIC of Convection. Dense things transfer heat faster, because heat is just the vibration of matter, and the closer matter is to other matter the faster it'll bounce into it and transfer the heat energy. This is the magic know as convection. SO! Because copper is a denser metal than Aluminum, it'll transfer heat away from your CPU faster! Bada -Bing Bada-Boom you have a better Heatsink.



"Any sufficiently advanced science is indistinguishable from Magic"
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post #9 of 9
I personally am of the opinion that a mixture of 80% copper or silver and 20% aluminium is the best mixture as copper does have great heat ABSORPTION properties, the aluminum cna disperse ehat a bit quicker once it has gotten hot....
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