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Copper heat spreader for CPU

Armee
By Armee
in Custom Loop and Exotic Cooling
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CPU delidding is something we do already some time, we change the cooling paste for something beter than Intel puts standard inside there CPU's.

But we always use the head spreader that was on the CPU in the first case. But when we look at the heat coefficient of copper vs stainless steel then we see a big difference.

 

Copper 390 W / ( m.K )

Stainless Steel 16 - 27 W / ( m.K )

 

i would be very curious to see what impact a copper head spreader has in reality.

 

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Is the CPU heat spreader stainless steel?

 

I figured it was aliminum, nickel or some other metal with a higher coefficient of heat conduction. If it is stainless then manufacturers have been doing it wrong for a long time xD

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The standard IHS is copper with nickel plating.

 

a all copper one will probably be negligible in temp gains

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Yes, the IHS is Nickel Plated Copper, and actually a pure copper heatsink has more problems with liquid metal as it can easily form an alloy (when compared to nickel plated). And so performance over time is ususually worse for these aftermarket cpu blocks.

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8 hours ago, Armee said:

CPU delidding is something we do already some time, we change the cooling paste for something beter than Intel puts standard inside there CPU's.

But we always use the head spreader that was on the CPU in the first case. But when we look at the heat coefficient of copper vs stainless steel then we see a big difference.

 

Copper 390 W / ( m.K )

Stainless Steel 16 - 27 W / ( m.K )

 

i would be very curious to see what impact a copper head spreader has in reality.

 

Alreayd been done, the copper IHS's that are available make pritty much zero difference.

Any differencei susualy down to a better contact between the new lapped copper IHS over the unlapped stock IHS.

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Thanks for all the feedback,

 

I have been talking with a server tech of very known US brand that i happen to know.

His feedback was nonsens, almost all CPU's have stainless steel head spreaders, so only one thing to do.

 

Take a drill and see what is in there, and you ........ all ware right it is copper with some plating ( probably nickel ).

 

Watch the video

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