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Helpful ReplyEvga 3070 xc3 ultra thermal pads

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sarge88
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2021/03/28 18:47:44 (permalink)
I wont go into much detail on this stupid process that took me 5 weeks and 120$ to finish. I could not find information on thermal pads anywhere and support at first told me 1mm was fine. Then later told me that's probably only for the core and could not give me information on the other sizes I needed. 
 
I ordered every size I could get my hands on but I could not find any squishy pads in the 2mm+ range. 1.5mm was just a bit too small for the ram. I installed 2mm blue ones (more rigid) and they fit seemingly perfect but the core was not making the best contact so the card ended up reaching 91c.
 
I paid EVGA 10$ to send me new thermal pads and I have all the dimensions but since they are designed to squish down so much I would not use this information exactly to buy pads. The ones they game me were 2mm, 2.5mm and 3mm. 
The pads they gave me for the memory were 2.5mm which seemed way too big but since they are like playdough they were able to squish down. I am guessing the thickness is some stupid non-standard size about 1.75mm like they have done in the past.
 
There was probably more I could have done to test but I was so frustrated that I just wanted it working better... And it is........... Finally. ~76c
 
I suck at writing, sorry. If you want more information feel free to ask. Also if anyone has a place where I or anyone else could buy those playdough-like pads that have a decent heat transfer rating, I would appreciate it.
 
EDIT: I also wanted to say even though this was an extremely frustrating situation I still think evga is one of if not my favorite GPU manufacturers.
post edited by sarge88 - 2021/03/28 20:15:55
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phroze
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Re: Evga 3070 xc3 ultra thermal pads 2021/03/29 08:07:00 (permalink) ☄ Helpfulby sarge88 2021/03/29 10:49:31
Thermal pad squishiness is rated in what's called shore
 
http://www.tglobaltechnology.com/2019/12/19/what-is-hardness-anyway/
 
EVGA has been using extremely soft pads this generation. I've read that they are using Laird Tflex 300 25 shore pads. 
 
https://www.laird.com/products/gap-fillers-thermal-interface-materials/gap-fillers/tflex-300
 
I did see these on amazon that have the same shore rating but I doubt you'll find the oddball size that EVGA uses.
 
https://www.amazon.com/gp/product/B00UYTTXSM/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
 

Case: Lian Li O11 Dynamic XL
Mobo: Asrock X570 Taichi
CPU: Ryzen 5900x
GPU: EVGA RTX 3090 FTW3 Ultra
RAM: Crucial Ballistix OC to 3800 16 18 18 1:1
PSU: EVGA SuperNova G2 1600w
Cooling: Custom hardline loop: optimus blocks, primochill stuff, lian li stuff, HW Labs 60mm radiators, custom stuff
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sarge88
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Re: Evga 3070 xc3 ultra thermal pads 2021/03/29 12:00:33 (permalink)
phroze
Thermal pad squishiness is rated in what's called shore
 

 
EVGA has been using extremely soft pads this generation. I've read that they are using Laird Tflex 300 25 shore pads. 
 

 
I did see these on amazon that have the same shore rating but I doubt you'll find the oddball size that EVGA uses.
 

 




Thank you very much for this information. I looked more carefully at the pads and they are made by a company called Ziitek. They are basically only available in BULK orders of 100-10000.
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