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pali1H

Back of 980ti PCB getting to 231 degrees fahrenheit

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Posted · Original PosterOP

So this is really strange. I accidentally touched the back of my PCB after gaming and it was WAY too hot to touch. I took my thermal gun out and found that it is getting up to 231F near the middle edge of the card where the power goes in. Right where the power goes in is 187F. The back of the GPU is at 114.5F. I've had an EK waterblock on it for about 6 months without any issues. The temps stay in a great range. My core temps never go above 33C while gaming and it is overclocked to 1500mhz on the core. I don't think a backplate would help as the temps around the PCB look great. It  is just near where the power delivery is.  I have 2 - 480 radiators in a Corsair 900D.  Any thoughts would be greatly appreciated!

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This is a picture of my card without the heatsink. I see some caps there. I highlighted the area on the right side where that 225-231F readings are coming from.

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Also, here is the waterblock I'm currently using. It isn't supposed to connect to that section of the video card as you can see there are cutouts to make room for the caps.

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Current Rig:

i7 4790k @ 4.8ghz on custom water loop

Gigabyte 980ti at 1500mhz on custom water loop

Z97 Maximus Formula VII

32GB G.Skill Trident X @ 2400mhz

Samsung 850 Pro SSD

Two - 4TB Seagate HDs as data backups

Corsair AX1200i
Corsair 900D case

Three - Asus 27 inch monitors at 144hz in Surround

Fanatec V2 wheel base and V2 Fanatec Pedals for sim racing

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Get a fan pointed at is asap, 110 Celsius for the back of the PCB isn't normal. 


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Back plates do help temps. Prolly wont help your issue as much. Mine cards were hot too. I watercooled my plates and called it a day.

 


Main RIg Corsair Air 540, I7 8700k, ASUS ROG Strix Z370-H, G.Skill TridentZ 16GB, EVGA 1080TI SC Black, EVGA 850 GQ, Acer xG270HU 2560x1440@144hz

 

Spare RIg Corsair Air 540, I7 4770K, Asus Maximus VI Extreme, G.Skill Ares 32Gb, EVGA 1080sc & 1060 SSC, Corsair CX850M, Acer KG251Q 1920x1080@240hz 

 

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welcome to the Linus Tech Tips forums!

 

that is not a major concern. at 110° is minimal for that memory controller and memory VRM. generally its 125° (257°F) and can handle 150° (302°F) continuous rated.

if concerned then aim a case fan across the back of the PCB.

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Just some pic of a card on air without a back plate, then with a back plate. Then the card on water with a back plate, never tested without on one water. Then the card with a water cooled back plate. 

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Main RIg Corsair Air 540, I7 8700k, ASUS ROG Strix Z370-H, G.Skill TridentZ 16GB, EVGA 1080TI SC Black, EVGA 850 GQ, Acer xG270HU 2560x1440@144hz

 

Spare RIg Corsair Air 540, I7 4770K, Asus Maximus VI Extreme, G.Skill Ares 32Gb, EVGA 1080sc & 1060 SSC, Corsair CX850M, Acer KG251Q 1920x1080@240hz 

 

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Posted · Original PosterOP

Thanks a lot for the replies everyone! Really cool rig you got there Mick. Thanks for checking your temps. Airdeno, that is very interesting about the temperatures. I didn't think PCB could handle those kind of temperatures.  I'm tempted to open a problem ticket with Nvidia to see what they say and if they have any specifications. For now, I put a little spot fan on that back of the card and the temps went down 100F to the 130F range. I'll need to find a permanent solution that doesn't look ridiculous!

 

Look at what I saw last night. I got real close and took a picture. Does that look like burn marks?! I have some PCB cleaner spray I'm going to use, just have to find it among my 10 bins of PC stuff lol.

 

20170212_163237.jpg


Current Rig:

i7 4790k @ 4.8ghz on custom water loop

Gigabyte 980ti at 1500mhz on custom water loop

Z97 Maximus Formula VII

32GB G.Skill Trident X @ 2400mhz

Samsung 850 Pro SSD

Two - 4TB Seagate HDs as data backups

Corsair AX1200i
Corsair 900D case

Three - Asus 27 inch monitors at 144hz in Surround

Fanatec V2 wheel base and V2 Fanatec Pedals for sim racing

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hard to tell on the lower stem of the 'P' and upper stroke of the 'b'.

the trace does look contaminated, but i wouldn't spray anything on it. just a good dusting and proceed.

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Dat dust buildup. :/ 


CPU: Intel Core i7 7820X Cooling: Corsair Hydro Series H110i GTX Mobo: MSI X299 Gaming Pro Carbon AC RAM: Corsair Vengeance LPX DDR4 (3000MHz/16GB 2x8) SSD: 2x Samsung 850 Evo (250/250GB) + Samsung 850 Pro (512GB) GPU: NVidia GeForce GTX 1080 Ti FE (W/ EVGA Hybrid Kit) Case: Corsair Graphite Series 760T (Black) PSU: SeaSonic Platinum Series (860W) Monitor: Acer Predator XB241YU (165Hz / G-Sync) Fan Controller: NZXT Sentry Mix 2 Case Fans: Intake - 2x Noctua NF-A14 iPPC-3000 PWM / Radiator - 2x Noctua NF-A14 iPPC-3000 PWM / Rear Exhaust - 1x Noctua NF-F12 iPPC-3000 PWM

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Posted · Original PosterOP

Haha yeah I have 3 cats and 2 dogs so I have a lot of dandruff floating around. It is really hard to stay on top of it. Airdino, yeah I'm not sure what that is on the "pb". It doesn't look like any traces are on that logo. 


Current Rig:

i7 4790k @ 4.8ghz on custom water loop

Gigabyte 980ti at 1500mhz on custom water loop

Z97 Maximus Formula VII

32GB G.Skill Trident X @ 2400mhz

Samsung 850 Pro SSD

Two - 4TB Seagate HDs as data backups

Corsair AX1200i
Corsair 900D case

Three - Asus 27 inch monitors at 144hz in Surround

Fanatec V2 wheel base and V2 Fanatec Pedals for sim racing

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I ordered a thermal sensors, to keep an eye on the back of mine, running two 980 Ti with a Delta 4k fan blowing on them both.

I got the thermal sensors and mine only gets up to 143F on the back plate with other fans on low.


(CPU) i9 9900K  (MB)ASUS ROG Strix Z390-I   (RAM) Royal Z Gold 2x8GB  40000DDR4 (GPU) Radeon VII  (CASE) Shift-X  (Storage)M.2 ADATA XPG8200 Pro/  (PSU)Corsair SF750 (COOLING)-H100I Pro   Folding ID Tim_Kelly

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Posted · Original PosterOP

Oh nice. Yeah I'm don't have any airflow in my case since it is all under water and has 2 - 480 radiators. One is in the basement of my 900D, separated by a black piece of acrylic and the other is mounted to the top of the case, blowing air out. I'll have to find a solution that won't ruin the simplicity.

 

Also of note, I used to be big into the overclock forums. I posted this issue there and only got 1 response within 4 days and I kept bumping it. Looks like I found a new home here. Thanks gents.


Current Rig:

i7 4790k @ 4.8ghz on custom water loop

Gigabyte 980ti at 1500mhz on custom water loop

Z97 Maximus Formula VII

32GB G.Skill Trident X @ 2400mhz

Samsung 850 Pro SSD

Two - 4TB Seagate HDs as data backups

Corsair AX1200i
Corsair 900D case

Three - Asus 27 inch monitors at 144hz in Surround

Fanatec V2 wheel base and V2 Fanatec Pedals for sim racing

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Is it possible to add some fans to the front of the case?

Microcenter has stock of the titan backplate btw it does help with temps it helped on my buddies 980ti 

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On 2/13/2017 at 3:21 PM, pali1H said:

So this is really strange. I accidentally touched the back of my PCB after gaming and it was WAY too hot to touch. I took my thermal gun out and found that it is getting up to 231F near the middle edge of the card where the power goes in. Right where the power goes in is 187F. The back of the GPU is at 114.5F. I've had an EK waterblock on it for about 6 months without any issues. The temps stay in a great range. My core temps never go above 33C while gaming and it is overclocked to 1500mhz on the core. I don't think a backplate would help as the temps around the PCB look great. It  is just near where the power delivery is.  I have 2 - 480 radiators in a Corsair 900D.  Any thoughts would be greatly appreciated!

2961766

2961767

2961768

2961769

 

 

This is a picture of my card without the heatsink. I see some caps there. I highlighted the area on the right side where that 225-231F readings are coming from.

2961773

 

Also, here is the waterblock I'm currently using. It isn't supposed to connect to that section of the video card as you can see there are cutouts to make room for the caps.

2961782

Hi, in response to your caps being cooled through your block I don't believe the water gets over there. Those are just cut outs so that the caps aren't squished once the cooler is on. Therefore the only parts of your card being cooled would be the main chip and the vrms, resulting in the caps having very little to no cooling placed upon them. You might want to either consider another fan or a different block.

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Posted · Original PosterOP

Thanks for the responses. Mr.Awesome Yeah I mentioned that in the OP that the caps aren't watercooled and just have a cutout in the acrylic. I'll look into getting a backplate as even though it won't touch that area, it might help spread the heat over a larger area resulting in lower temps. 


Current Rig:

i7 4790k @ 4.8ghz on custom water loop

Gigabyte 980ti at 1500mhz on custom water loop

Z97 Maximus Formula VII

32GB G.Skill Trident X @ 2400mhz

Samsung 850 Pro SSD

Two - 4TB Seagate HDs as data backups

Corsair AX1200i
Corsair 900D case

Three - Asus 27 inch monitors at 144hz in Surround

Fanatec V2 wheel base and V2 Fanatec Pedals for sim racing

Link to post
Share on other sites

Should be good to add a thermal pad anywhere you want. As long as it's thick to touch the backplate it's gonna help quite a bit.  


Main RIg Corsair Air 540, I7 8700k, ASUS ROG Strix Z370-H, G.Skill TridentZ 16GB, EVGA 1080TI SC Black, EVGA 850 GQ, Acer xG270HU 2560x1440@144hz

 

Spare RIg Corsair Air 540, I7 4770K, Asus Maximus VI Extreme, G.Skill Ares 32Gb, EVGA 1080sc & 1060 SSC, Corsair CX850M, Acer KG251Q 1920x1080@240hz 

 

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