Delidding IHS From CPU Die and Watercooling

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Daniel Johnson

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Apr 22, 2013
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I'm wondering if it's possible to delid (remove the IHS (the silver square on all CPUs) from the larger green square called the "die") and then directly liquid cool the die via waterblock, where normally you would just put thermal paste on the IHS and attach the waterblock to it.
Can it be done safely without damaging the CPU?
 
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Do you actually have a delidded 5960? At a 140watt TDP, it will be soldered. Not saying it is impossible to do, just if you haven't done it already, you may want to figure that part out first and then worry about mounting it, you will most likely need to make\modify something yourself.
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Clast

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May 21, 2015
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IF you want to increase the efficiency of the liquid cooling, many recommend delidding the cpu(depending on which cpu you have) to remove the adhesive that's used to keep the IHS on the die and to replace the thermal compound/liquid/paste that's used on the cpu die with Coollabratory Liquid Pro. However, if this is your first time doing so, it might be better to buy an inexpensive cpu to use it as a practive run in delidding.
 
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Daniel Johnson

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Apr 22, 2013
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Yes I've seen that done, but I was thinking that a direct cooling connection straight to the die would give far better results. Like so:

[Waterblock] {Liquid Pro} [IHS] {more liquid pro...} [Die]

versus

[Waterblock] {Liquid Pro} [Die]
 
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Clast

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Unfortunately, I don't think that's really possible, as the area where the heat is transferred from the die to the waterblock would be so small that it would negatively impact performance(not too sure though in my opinion).
 
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Deuce65

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Oct 16, 2013
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Yes. You want something like this:

http://shop.ekwb.com/ek-supremacy-precisemount-add-on-naked-ivy

As well as the appropriate water block.
 
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Daniel Johnson

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Apr 22, 2013
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Is there anything that would be compatible with a delidded i7-5960X?
 
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Deuce65

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Do you actually have a delidded 5960? At a 140watt TDP, it will be soldered. Not saying it is impossible to do, just if you haven't done it already, you may want to figure that part out first and then worry about mounting it, you will most likely need to make\modify something yourself.
 
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Solution
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Daniel Johnson

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Apr 22, 2013
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I did not realize that it was soldered. Would there be a way to use a very thin hot wire to heat ONLY the solder enough to liquify it, thereby removing the lid?
 
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Deuce65

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I have no idea. Generally speaking, the common reason people delid in the first place is to get rid of the TIM (and glue) used in lower TDP CPUs; as this CPU doesn't use TIM that isn't an issue. So I doubt it has been tried all that much.
 
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Daniel Johnson

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Apr 22, 2013
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I did some reading about this solder stuff, and apparently it's not just a ring of solder around the edge of the lid, it covers the entire surface, which should be basically as good as liquid pro since solder == metal, correct?
So heating the chip enough to melt the solder would probably fry the chip, but IF it didn't, then liquid pro would probably only give a 1C boost in cooling, or might even have negative results.
 
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