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Thread: EK Supremecy Evo Poor Contact With CPU? Reply to Thread
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  Topic Review (Newest First)
05-23-2019 07:53 PM
Ashcroft
Quote: Originally Posted by Pinnacle Fit View Post
Quote: Originally Posted by ThrashZone View Post
Hi,

Unlike 7900x or probably 9900x the 9900k is more vertical than horizontal die so the evo would probably perform better in the default or upside down position which ever pipes better

Horizontal/ goofy worked pretty good on a 7900x though.

They said that regular or upside down was identical.

But now that I think of it...if the TIM worked as intended, there should be an even distributed conduction of heat from die to IHS, so the orientation of the block should theoretically be irrelevant.

I have to reread the article but it would stand to reason that a delidded cpu using liquid metal between die and ihs should have near 100% heat conduction, so the block orientation shouldn’t be relevant.

Maybe I’m assuming too much.


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It does have 100% heat conduction. All the heat produced is carried away.
What we are interested in is the difference in temp required to do that. Physics demands there be a difference in temp for heat to flow, but better conductors allow closer to zero temp difference.
A heat sink made of silver may require a 5c Delta to remove 100 Watts while an aluminium one needs 10c for the same 100 Watts.
05-23-2019 03:45 AM
Vlada011 Your block is fine and your CPU contact is fine.
Mine is very similar. Idle temps depend of ambient temps, if outside is 15-17C idle Temp of CPU is 25-26C.
That mean contact is normal. Thermal paste don' need to spread in all corners of CPU and to cover 100% of CPU if you put thermal paste in middle.

You can spread with plastic part all over CPU if you want.
05-22-2019 04:02 PM
BradleyW
Quote: Originally Posted by Pinnacle Fit View Post
I understand, and respect that. If you change your mind, there’s plenty of support out there.


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Thank you.
05-22-2019 03:58 PM
Pinnacle Fit
Quote: Originally Posted by BradleyW View Post
I thought about lapping the block seen as I've had it for years, so no warranty. I'm going to hold off on IHS removal. I appreciate the benefit... and the equipment that's available today to achieve removal, but it's a risk I won't be taking for the foreseeable. I appreciate your advice though.


I understand, and respect that. If you change your mind, there’s plenty of support out there.


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05-22-2019 03:51 PM
BradleyW
Quote: Originally Posted by Pinnacle Fit View Post
Just my opinion - if you’re going to commit to any warranty voiding action like lapping, you might as well go all the way and delid. I just did yesterday. Provided you don’t use the razor blade and you get the apparatus, it’s pretty hard to screw up.




Sent from my iPhone using Tapatalk
I thought about lapping the block seen as I've had it for years, so no warranty. I'm going to hold off on IHS removal. I appreciate the benefit... and the equipment that's available today to achieve removal, but it's a risk I won't be taking for the foreseeable. I appreciate your advice though.
05-22-2019 03:44 PM
Pinnacle Fit
Quote: Originally Posted by BradleyW View Post
Oh I see. I was advised on page 1 to change to the thinnest Jet Plate to allow for better physical contact between the block and IHS. The user suggested that a thinner plate would add more flex to the block to compensate for any high points on the CPU's IHS.



Based on the information you've given me, I'll stick with the 115x Jet Plate.



Will I benefit from using the Goofy position on my 9900K or is it not worth it?



Last but not least, can adding dye to a loop reduce thermal performance?



Thank you.


Just my opinion - if you’re going to commit to any warranty voiding action like lapping, you might as well go all the way and delid. I just did yesterday. Provided you don’t use the razor blade and you get the apparatus, it’s pretty hard to screw up.




Sent from my iPhone using Tapatalk
05-22-2019 03:33 PM
BradleyW
Quote: Originally Posted by ciarlatano View Post
The jet plate would have absolutely no bearing on mounting pressure or contact. It changes only the liquid flow internally.
Oh I see. I was advised on page 1 to change to the thinnest Jet Plate to allow for better physical contact between the block and IHS. The user suggested that a thinner plate would add more flex to the block to compensate for any high points on the CPU's IHS.

Based on the information you've given me, I'll stick with the 115x Jet Plate.

Will I benefit from using the Goofy position on my 9900K or is it not worth it?

Last but not least, can adding dye to a loop reduce thermal performance?

Thank you.
05-22-2019 03:22 PM
ciarlatano
Quote: Originally Posted by BradleyW View Post
I'm asking about the poor physical contact between the block and IHS purely from my TIM and mount inspection (as seen in OP).

Although switching from the 115x Jet Plate to the general purpose Jet Plate as given slightly better contact, I'm worried that using the wrong Jet Plate will degrade performance. I'm not sure how a Jet Plate does effect performance or if one is even needed.

EK say to use 115x for 115x CPU's, but I hear the 9900K is concave compared to previous 115x CPU's which are convex.
The jet plate would have absolutely no bearing on mounting pressure or contact. It changes only the liquid flow internally.
05-22-2019 02:46 PM
BradleyW I'm asking about the poor physical contact between the block and IHS purely from my TIM and mount inspection (as seen in OP).

Although switching from the 115x Jet Plate to the general purpose Jet Plate as given slightly better contact, I'm worried that using the wrong Jet Plate will degrade performance. I'm not sure how a Jet Plate does effect performance or if one is even needed.

EK say to use 115x for 115x CPU's, but I hear the 9900K is concave compared to previous 115x CPU's which are convex.
05-22-2019 05:57 AM
Pinnacle Fit I’m confused-are you asking if there’s poor contact because the CPU runs hot? Because that’s the way the 9900k is, especially because it draws so much power.

There’s plenty of YouTube videos where they were reaching 80 or higher even with a water block.


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