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High "GPU" Temps After Watercooling

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post #11 of 24 (permalink) Old 10-08-2019, 08:56 AM
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Hi,
EK also sends two sets of screws short and long
I used the wrong ones and boom high temps at any stress
Didn't look like the short ones were long enough but that is the correct ones on ek block
Long were for the back plate which only about 4 were needed out 12 ek sent

CPU
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post #12 of 24 (permalink) Old 10-09-2019, 07:16 AM
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The thermal paste doesn't look very "compressed" to me, so I'm kinda sure it's bad contact.
This can be caused by thick thermal pads, mounting screws too long, something between the block and PCB, ...

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post #13 of 24 (permalink) Old 10-09-2019, 08:12 AM
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Maybe it could be Spacers or something like this, if you have mounted with some.
Back in the Days, i had kind of the same Problem. Everything looked fine, but there was too little pressure.
Do you have an Aircooler or something else, to test what Temperatures you would get?

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post #14 of 24 (permalink) Old 10-09-2019, 08:23 AM - Thread Starter
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Quote: Originally Posted by mrmouse View Post
Maybe it could be Spacers or something like this, if you have mounted with some.
Back in the Days, i had kind of the same Problem. Everhing looked fine, but there was to less pressure.
Do you have an Aircooler or somethin else, to test what Temperatures you would get?
I would get slightly higher temperatures on the stock cooler. It would peak around 82 at full load. Keep in mind this set up is inside of a DIY wood desk with not so optimal airflow. This was my reason for switching to WC.

To answer any questions about spacers and the like, there is no spacers between the standoff's on the water block and the PCB. This is a water block from EVGA, for an EVGA card. I know these things sometimes get overlooked, but in re-seating the card twice, I made sure I didn't make any silly mistakes. There are spacers between the back plate and the PCB, but this would not have any impact. If anything, it should make it tighter.

I am starting to feel like the tolerances are just not right. I'm in conversation with EVGA at the moment. I'm hoping they know something I don't, but it seems like a pretty straightforward task to attach the water block.
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post #15 of 24 (permalink) Old 10-09-2019, 08:30 AM
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Are you sure you have the right hydrocopper block? I think evga has 2 different blocks for the 2080 ti line, or maybe that was the 1080 ti line.


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post #16 of 24 (permalink) Old 10-09-2019, 09:57 AM - Thread Starter
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Quote: Originally Posted by JedixJarf View Post
Are you sure you have the right hydrocopper block? I think evga has 2 different blocks for the 2080 ti line, or maybe that was the 1080 ti line.
I have the EVGA 2080 XC Ultra (non-ti) and the part number from my order is 400-HC-1189-B1. I just double checked, but it's the right one.
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post #17 of 24 (permalink) Old 10-09-2019, 10:13 AM
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Hi,
Looks like there is an impression on the memory thermal pads where they made contact with the chips :/

CPU
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Motherboard
ASUS x299 Rampage VI Apex
GPU
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RAM
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evga 1200-P2
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GPU
EVGA 1080ti FTW3 with Water block
RAM
Trident-Z 3200C14 4x8gb's b-die default timings 14-14-14-34
Hard Drive
Samsung 970 Evo 500gb M.2/ Samsung 850 Pro 256gb for os and 500gb evo for favorite games plus other wd hdd's for data and backup's
Power Supply
EVGA 1000-P2
Cooling
2-240 GTX Black Ice Nemesis rads/ D5 pump-res combo and D5 top before and after rads.
Case
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post #18 of 24 (permalink) Old 10-09-2019, 10:19 AM - Thread Starter
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Quote: Originally Posted by ThrashZone View Post
Hi,
Looks like there is an impression on the memory thermal pads where they made contact with the chips :/
That is absolutely correct. Is that an issue? Would that suggest that the thermal pads are too thick , which could cause the gap between the GPU and the block?
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post #19 of 24 (permalink) Old 10-09-2019, 11:10 AM
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Quote: Originally Posted by snipersaim View Post
That is absolutely correct. Is that an issue? Would that suggest that the thermal pads are too thick , which could cause the gap between the GPU and the block?
Hi,
Could most water blocks use fairly thin on the memory chips 0.05mm so not much thinner than that I wouldn't imagine.
Post a angled image something like this
Spoiler!

CPU
i9-9940x With Heatkiller IV Pro and VRM Plexi-Copper water block
Motherboard
ASUS x299 Rampage VI Apex
GPU
Titan Xp with copper Water Block
RAM
Trident Z 3600C16 4x8gb's b-die default timings 16-16-16-36
Hard Drive
Samsung 970 Evo Plus 500gb M.2/ Samsung 850 Pro 256gb for os and 500gb evo for favorite games plus other wd hdd's for data and backup's
Optical Drive
LG Blu-Ray WH16NS40
Power Supply
evga 1200-P2
Cooling
2-280GTX Black Ice Nemesis rads with D5 pump-res combo and D5 top before and after rads.
Case
corsair 450D with added 2nd floor to house radiator on top
Operating System
Win-7 pro & 10 pro Win-7 Primary os.
Monitor
ASUS VG248QE 24" 144Hz
Keyboard
Logitech G910 Orion spectrum
Mouse
Redragon Perdition
Audio
Built in realtek and Insignia 2.0 soundbar HSB318
CPU
i7-5930k with Heatkiller IV Pro Plexi-Copper and koolance vrm water blocks
Motherboard
X99 Sabertooth
GPU
EVGA 1080ti FTW3 with Water block
RAM
Trident-Z 3200C14 4x8gb's b-die default timings 14-14-14-34
Hard Drive
Samsung 970 Evo 500gb M.2/ Samsung 850 Pro 256gb for os and 500gb evo for favorite games plus other wd hdd's for data and backup's
Power Supply
EVGA 1000-P2
Cooling
2-240 GTX Black Ice Nemesis rads/ D5 pump-res combo and D5 top before and after rads.
Case
Corsair 450D with added 2nd floor to house radiator on top
Operating System
Win-7 and 10 pro Win-7 Primary os.
Monitor
AOC G2460PG 24"G-Sync 144Hz
Mouse
Red Dragon Perdition
Audio
Built in realtek and Insignia 2.0 soundbar HSB318
Hard Drive
eLeaf MELO-3 4ml
Power Supply
SE US18650VTC6 3120mAh 30A 3.6V 18650 Li-ion Battery - GREENx4
Case
ANGIS Legion MOD 200w Geek Vape
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post #20 of 24 (permalink) Old 10-09-2019, 11:29 AM
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Quote: Originally Posted by ThrashZone View Post
Hi,
EK also sends two sets of screws short and long
I used the wrong ones and boom high temps at any stress
Didn't look like the short ones were long enough but that is the correct ones on ek block
Long were for the back plate which only about 4 were needed out 12 ek sent
correct, the long flat top screws are for back plates.

the small button heads are for no back plate.

yes, it's possible the thermal pads are too thick/in the wrong place, but didn't OP say they were pre-applied? that would drastically reduce error, not increase it

was the card acquired second hand? If so, then its more likely there are thermal pads in the wrong place. Most blocks use .5mm and 1mm pads.

you could always look up the schemes and replace.

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