Modifying the 7950X CPU for better thermals... VOIDED WARRANTY!

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[Noise-Bomb]

Pro Tipp Jay: Use a mirror instead of tempered glass. A mirror is much flatter than any normal plain of glass since you would see any curvature of the glass in the reflection of the mirror as a distortion. Thanks to that mirrors are almost universally the flattest object in everyone's household.

[xerith]

I would suggest anyone flat lapping for the first time to use the same flat surface (start to finish) and super cleaning between swaping grit numbers. It will take longer but it will come out near perfect

[davidbrennan]

I think if you had measured the cpu before and after grinding and lapping with a micrometer or vernier caliper, you could turn down the standoff height the same amount to compensate using a lathe and you could have used any cooler on the chip with the proper pressure (You would have to keep the shorter standoffs with the chip after modifying it)

[camerons.]

It's honestly amazing how much of a difference sub-millimeter tolerances make. I'm so happy I don't deal with anything that precise.

[cbrson]

Im a knife maker and when we mirror polish a knife which can be to around 2000 grit sandpaper a trick we use is each grit go in 1 direction. the next grit go in another, That way if your going left to right and see scratches up and down you know those are scratches from the previous grit and need to be worked out. Might have to use a magnifying glass to see the real fine grits, .

[Incubyss]

Nice!!! Can’t wait to do this for my own!! Waiting for the Delid kit/bracket

[TheAnoniemo]

I like how you aimed the copper dust from the belt sander straight at the server intake

[somethinlike]

I bet that heatspreader dust is great for the lungs

[rdiznfriends]

jay you've been making some great videos recently. feels like old times

[CommissariatGames]

Pro-tip, from one recreational adderall user to another. Take deep breaths when you start to feel the adrenaline rush and the euphoria wave dude, because if you dont center yourself, youll make plenty of mistakes like "forgetting to plug the pump in".

Its VERY easy to see youre on it, or something similar.

[ZMank]

Can't wait for the delidding video! I delidded my 9700K and put a copper IHS on it with some liquid metal in between. Runs like a champ!

[hammer]

You can also use a sanding/polishing product called Micro Mesh to reduce the micro scratches on the heat spreader. Originally developed to sand/polish aircraft windshields and canopies to remove micro scratches and restore visibility (yes it's that fine). The sheets go to insane grits like 20, 000.

[bradfeatherstone]

Change between all the sides when lapping to minimize unintentional gradients in the surface.
Also, if you polish the CPU and the heat transfer block until they physically bond, you will get the best heat transfer. It is pretty cool to see two pieced non-magnetic of metal act like they are magnetic. Looks Great!

[taylor]

Prior machinist and folding knife Maker here, you should never lap with the power sander. When you're lapping a cpu or anything else you want it to be flat and parallel. Using a sander, no matter how flat your platen is, putting too much pressure on one side will cause it to no longer be parallel. Using a surface plate and a figure 8 pattern while turning often is going slowly is your best bet of staying flat and parallel. Yes it takes much longer but precision always does And I wouldn't trust using a surface grinder on a cpu or IHS

[manicdan]

Thank you so much for shaving it down, THIS is the kind of test I wanted to see after the debauer-delid

[dodorichard]

This Old House meets Jaystwocents, didnt thing Jay would break out the super high-tech gear to modify the 7950, hilarious.

[stevenboswell]

For future reference, a figure 8 pattern instead of circles when sanding makes it much easier to keep it flat

[NN]

9:30 Polish is good when the IHS and the cooler cold plate are polished, it will literally create a 0 gap suction.

[jx]

Looking at that huge ass heatspreader i'm definitly gonna delid it when i get mine next week. I think it's the best cpu to do that with. Derbauer got 20C. Lapping just seems to be more work than delidding for less temperature gain.

[HappyDude]

Jay, First thing i was thinking
I want to polish it 😋😁