DisconnectedUser
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Material List from Amazon: Arctic MX-5 Thermal Paste on GPU die and Mosfet lines and Memory modules, GPU side Thermal Grizzly Minus Pad 8 Thermal Pads 1.0mm on Mosfet lines, GPU side Thermal Grizzly Minus Pad 8 Thermal Pads 2.0mm on Memory modules, GPU side AI Aikenuo 3.0mm pads on VRM lines, GPU side AI Aikenuo 3.0mm pads between mobo and back plate  Thermal Grizzly pads with Arctic MX-5 Thermal paste Memory Junction Temperatures while mining etherium 80C ambient temperature, in a Lian Li 215 case. 1100 Memory -200 Clock 67 Power limit 227W = 98.9 mh/s or $280 per month. 102C Original temperatures 98C Aikenuo pads 96C Thermal Grizzly pads 92C Thermal Grizzly pads plus Arctic MX-5 Thermal paste 90C Above on riser, outside of the Lian Li 215 case
post edited by DisconnectedUser - 2021/05/03 19:15:42
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FeyyazFD
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 05:35:19
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Hi buddy. That's exactly what I was looking for. I will change the thermal pads soon. I have 2 cards. Would 1 pack of each 1mm, 2mm and 3mm thermal pads be enough?
I'm planning to buy these;
Thermal Grizzly Kryonaut // paste
and Gelid thermal pads which I can find in locally or will go for Thermalright Thermal Pads from amazon international store.
What would you suggest?
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DisconnectedUser
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 05:45:43
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For each RTX 3080, i needed
1 pack of Thermal Grizzly Minus Pad 8 Thermal Pad, 120 × 20 × 1.0 mm
1 pack of Thermal Grizzly Minus Pad 8 Thermal Pads, 120 x 20 x 2.0 mm
1 pack of Thermalright or other 3.0 thermal pads, approx 100 x 100 x 3.0 mm due to the VRM lines and the backplate.
1 tube of Thermal Grizzly Kryonaut paste or other paste
It depends on how much is inside the pack of pads. 120 x 20 just made it for 1mm and 2mm, needed more of the 3mm due to back plate pads over memory.
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rayven96
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 11:05:41
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DisconnectedUser
For each RTX 3080, i needed
1 pack of Thermal Grizzly Minus Pad 8 Thermal Pad, 120 × 20 × 1.0 mm
1 pack of Thermal Grizzly Minus Pad 8 Thermal Pads, 120 x 20 x 2.0 mm
1 pack of Thermalright or other 3.0 thermal pads, approx 100 x 100 x 3.0 mm due to the VRM lines and the backplate.
1 tube of Thermal Grizzly Kryonaut paste or other paste
It depends on how much is inside the pack of pads. 120 x 20 just made it for 1mm and 2mm, needed more of the 3mm due to back plate pads over memory.
Thank you very much for your experience. I also plan to change the thermal pads in the near future. Do you recommend Thermal Pads by thermal grizzly ?
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DisconnectedUser
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 11:10:07
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I don't have a preference on pads, they all do the same thing.
Find the best/cheapest with thermal conductivity of 10.0 W/mk or more.
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kevinc313
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 11:19:04
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kalebg1
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 11:47:00
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Thats quite the improvement on temps. Wasnt aware factory pads were so lackluster.
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henrickd
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 12:09:55
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Good work, I hope the AIBs decide to revise their cards with better thermal pads... Even in gaming, the temps with stock pads are unacceptable.
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FeyyazFD
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 12:34:55
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Thank you for answers. I cleared almost all questions in my mind.
Currently I have below products in the list:
Thermalright Thermal Pad 12.8 W/mK, 120x120x1mm
Thermalright Thermal Pad 12.8 W/mK, 120x120x2mm
Thermalright Thermal Pad 12.8 W/mK, 120x120x3mm
How much 3mm you used exactly? Should I add 1 more 3mm?
(asking for 2 GPU)
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Dabadger84
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 18:21:48
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What wattage dissipation are those pads? They look exactly like the Aiyunni ones I have, and those are only 6W/mK - having 12W+ pads on VRAM is something I definitely recommend, it made a difference on my card for sure going from 6 to 12W pads.
Thermalright pads on other components is going to be sketchy, they fall apart easily in my experience (those are the 12.8W/mK pads I have on my VRAM, I only use them on that). The VRMs/other components don't put out enough heat for the jump from 6 to 12W pads to be necessary IMO, but it is always better to go higher and not need it, than need it and not have it. For those wanting to do this on a 3090, I have a thread with a good amount of information, with links to the heatsinks & thermal pads used on the backplate side of the card, on page 7 (for those viewing on PC at least)
ModRigs: https://www.modsrigs.com/detail.aspx?BuildID=42891 Specs:5950x @ 4.7GHz 1.3V - Asus Crosshair VIII Hero - eVGA 1200W P2 - 4x8GB G.Skill Trident Z Royal Silver @ 3800 CL14Gigabyte RTX 4090 Gaming OC w/ Core: 2850MHz @ 1000mV, Mem: +1500MHz - Samsung Odyssey G9 49" Super-Ultrawide 240Hz Monitor
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Costner9
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 20:10:25
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Doesn't that void the warranty?? even though its much better for the card
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IRanNaked
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/02 22:51:33
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Costner9
Doesn't that void the warranty?? even though its much better for the card
Crypto mining voids the warranty
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DisconnectedUser
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/03 05:35:53
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The thermal pads progression:
1. I removed the stock thermal pads and paste.
2. I applied AI Aikeuno 3.0mm thermal pads to between the mobo and backplate, 3.0mm pads on the VRM lines, 2.0mm pads on the Memory, and 1.0mm pads mosfet lines; I tried for a week and did not like the 98C thermal junction temperature.
3. I removed the AI Aikeuno 2.0mm pads from the Memory, and 1.0mm pads mosfet lines.
4. I applied Thermal Grizzly Minus Pad 8 Thermal Pads 1.0mm on Mosfet lines, GPU side and Thermal Grizzly Minus Pad 8 Thermal Pads 2.0mm on Memory modules, GPU side; I tried for another week and did not like the 96C thermal junction temperature.
5. I appled AI Aikeuno 0.5mm thermal pads to Mosfet lines and memory modules; I tried to see if I needed thicker pads, nope! Temperatures shot up on the GPU die.
6. I removed the AI Aikeuno 0.5mm thermal pads from the Mosfet lines and memory modules.
7. I applied Arctic MX-5 Thermal Paste on Mosfet lines and Memory modules; -4C after adding thermal paste to the Grizzly pads.
8. I removed the card from the case and put it on a riser; 90C. Cool enough for me.
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FeyyazFD
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/03 05:56:00
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IRanNaked
Costner9
Doesn't that void the warranty?? even though its much better for the card
Crypto mining voids the warranty
let me ask you a question. when you send this card to warranty, are you going to say "hello!, i have done mining?" otherwise, how they can figure out it's used by mining? it was very nice selling huge number of gpu's to miners.. nobody said that you can't use it for mining also.... anyway... warranty is not useful anymore for me unless they change the card with new one. of course it's not possible at the moment also. there is no cards on the market. if they wanna refund for some cases, my buying price is half of the new ones. these graphic cards are not easily breakable. so, change the thermals, make comfortable with gpu IMO
post edited by FeyyazFD - 2021/05/03 06:12:43
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Rapoo
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/03 16:12:33
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This should be stickied at the top of forums for reference. Thank you for the detailed steps in getting the best cooling for the VRAM on your card.
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DisconnectedUser
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/08 05:03:47
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Just a small data point update. Ambient room temperature of 70C. GPU temp of 43.5C GPU memory junction temperature 86C GPU hotspot 57.5C I installed some raspberry pi aluminum cooler fins to the backplate above the thermal pads. .8C less GPU 0C less memory junction temp .6C less hotspot temp I removed them, they are ugly.
post edited by DisconnectedUser - 2021/05/10 17:27:57
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IRanNaked
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/05/08 13:59:37
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FeyyazFD
IRanNaked
Costner9
Doesn't that void the warranty?? even though its much better for the card
Crypto mining voids the warranty
let me ask you a question. when you send this card to warranty, are you going to say "hello!, i have done mining?" otherwise, how they can figure out it's used by mining?
it was very nice selling huge number of gpu's to miners.. nobody said that you can't use it for mining also....
anyway... warranty is not useful anymore for me unless they change the card with new one. of course it's not possible at the moment also. there is no cards on the market.
if they wanna refund for some cases, my buying price is half of the new ones.
these graphic cards are not easily breakable. so, change the thermals, make comfortable with gpu IMO
They do testing on the memory and can determine if they are degraded, which is a sign the GPU has been used for mining :p
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asifisme77
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/06/16 05:43:00
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Confirming that there is quite an improvement following OPs recomendations. I bought the larger 120x120x3mm pad and and ended up using the most of that size. I think the pads on the back make the most difference...I debated just doing that, but ended up making all the changes. If you are nervous, and willing to try again if it does not work, I would suggest just adding the 3mms to that back and seeing if it helps. New temps: GPU 55, Hot Spot 75, Mem 91 (with mining at pwr = 67%, mem +1490 and getting 99 Mh/s) . Earlier I was getting memory in the range of 104-106. My gpu is in a Lian Li case 205. Cooled with 2 intake at the front, 2 exhaust at the top, 1 exhaust at the back and I have a Noctua dual fan cooler on the CPU. I also have a triple fan GPU cooling fan placed below my GPU at max RPMs. My ambient is around 77F (not sure about this). I bought only one each of the various sizes (1mm, 2mm and 3mm). I am only an occasional miner though, during gaming the GPU goes to around 70c occasionally (I turn off all modifications during gaming...i.e. stock settings for the card are used), but the rest of the temps (hotspot and mem) are very low. Also, I did not use thermal paste on the pads...just a personal preference to avoid things getting messy. I used arctic mx-5 on the GPU core as that was what I already had.
post edited by asifisme77 - 2021/06/16 07:00:47
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Red_Infern013
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/06/16 10:06:19
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DisconnectedUser
The thermal pads progression:
1. I removed the stock thermal pads and paste.
2. I applied AI Aikeuno 3.0mm thermal pads to between the mobo and backplate, 3.0mm pads on the VRM lines, 2.0mm pads on the Memory, and 1.0mm pads mosfet lines; I tried for a week and did not like the 98C thermal junction temperature.
3. I removed the AI Aikeuno 2.0mm pads from the Memory, and 1.0mm pads mosfet lines.
4. I applied Thermal Grizzly Minus Pad 8 Thermal Pads 1.0mm on Mosfet lines, GPU side and Thermal Grizzly Minus Pad 8 Thermal Pads 2.0mm on Memory modules, GPU side; I tried for another week and did not like the 96C thermal junction temperature.
5. I appled AI Aikeuno 0.5mm thermal pads to Mosfet lines and memory modules; I tried to see if I needed thicker pads, nope! Temperatures shot up on the GPU die.
6. I removed the AI Aikeuno 0.5mm thermal pads from the Mosfet lines and memory modules.
7. I applied Arctic MX-5 Thermal Paste on Mosfet lines and Memory modules; -4C after adding thermal paste to the Grizzly pads.
8. I removed the card from the case and put it on a riser; 90C. Cool enough for me.
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Did you apply thermal paste to the mosfets and memory then added thermal pads on top of the thermal paste? or am I reading wrong? It actually makes sense and I thought about it before, just want to confirm that I understood you correctly.
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changen
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/07/13 16:46:46
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IRanNaked
FeyyazFD
IRanNaked
Costner9
Doesn't that void the warranty?? even though its much better for the card
Crypto mining voids the warranty
let me ask you a question. when you send this card to warranty, are you going to say "hello!, i have done mining?" otherwise, how they can figure out it's used by mining?
it was very nice selling huge number of gpu's to miners.. nobody said that you can't use it for mining also....
anyway... warranty is not useful anymore for me unless they change the card with new one. of course it's not possible at the moment also. there is no cards on the market.
if they wanna refund for some cases, my buying price is half of the new ones.
these graphic cards are not easily breakable. so, change the thermals, make comfortable with gpu IMO
They do testing on the memory and can determine if they are degraded, which is a sign the GPU has been used for mining :p
LUL running any game at 4K and my mem temps shoot up to 95C+ which is the same temp while mining. I really doubt they can figure out that the memory has been degraded.
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jaro_irl
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Re: 3080 XC3 Ultra Thermal Pads and Memory Junction Temperatures
2021/07/14 03:03:22
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