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-   -   EK Vector RTX bacplate very hot (https://www.overclock.net/forum/18067-ek-water-blocks/1726230-ek-vector-rtx-bacplate-very-hot.html)

mr.freud 05-21-2019 06:18 AM

EK Vector RTX bacplate very hot
 
Hi.
2 days ago I installed EK waterblock on my 2080ti. The loop consists of 2 360 rads - it cools cpu(5930k) and gpu(2080ti).
My temps seem to be good - cpu is under 55c(load) and gpu is under 45c(70-90% load while gaming). idle temps are - 30-35 for CPU cores and 27 for the GPU.
But when I touch my GPU backplate (durring load) - it seems to be hot. I don't have means to measure it but I'd say it's definitely hotter than 60c. Also it really cool above the GPU die but the hot spot is to the right of it closer to where the 2 PCI power cables attached.
Is it ok or should I worry?
Also I switched by back fan to intake so it cools the backplate.

sry for bad english

ThrashZone 05-21-2019 06:25 AM

Hi,
Well 45c is 113 degrees fahrenheit so yeah warm would be an understatement :)

Also if you're looking for an ek response best to email them.

mr.freud 05-21-2019 06:27 AM

Quote:

Originally Posted by ThrashZone (Post 27973876)
Hi,
Well 45c is 113 degrees fahrenheit so yeah warm would be an understatement :)

Do you mean 45c under 80% load is too hot for the GPU?

ThrashZone 05-21-2019 06:30 AM

Hi,
No I'm saying it's normal 45c is hot to the touch :doh:

mr.freud 05-21-2019 06:32 AM

Quote:

Originally Posted by ThrashZone (Post 27973882)
Hi,
No I'm saying it's normal 45c is hot to the touch :doh:

oh, sry :P

anticommon 05-21-2019 06:33 AM

Did you put the thermal pads on the underside of the backplate? I would have to test mine as I usually don't fiddle around touching the card when gaming, but I would imagine, and especially if you are touching near where any of the power delivery is situated and has thermal pads, that there would be a lot of heat transfer to the plate.

The other thing to note is that touching the plate which is made out of metal has a much higher rate of thermal conductivity. This means that heat will both transfer to and from the plate at a high rate compared to something less thermally conductive such as wood or plastic/rubber. When you touch a piece of metal that is, say, 50c vs touching a different material the metal will feel warmer. What this means is that the plate can inadvertently feel a lot hotter than it is simply because more heat is able to transfer to your hand not because it's actually 'hotter' (although thermal capacity is a thing, so technically it could have more energy but be the same or lower temperature... I digress).

Ultimately I would say that if you can touch it and hold your hand there for a good little while you are OK. If you really feel the need some software (maybe EVGA depending on your card) can have additional thermal sensors to help you figure out why your temperatures are the way they are. An IR camera would be the best tool to use to determine the temperature, or even a laser thermometer or thermocouple but those can vary in accuracy. The 2080 Ti can be an incredibly power hungry card especially if you have modded the power limit, if you just keep pumping juice into it it can pull 450-500+ watts which means the heat has to go somewhere, and if it's not being dissipated by the block, then the backplate being warm is a good start in all honesty, as having it be cool to the touch would suggest no thermal transfer which means your components are either idling or cooking.

SOOOOOOOO....

TL;DR: Warm plate = components are being cooled = happy :)

mr.freud 05-21-2019 06:38 AM

Quote:

Originally Posted by anticommon (Post 27973888)
Did you put the thermal pads on the underside of the backplate? I would have to test mine as I usually don't fiddle around touching the card when gaming, but I would imagine, and especially if you are touching near where any of the power delivery is situated and has thermal pads, that there would be a lot of heat transfer to the plate.

The other thing to note is that touching the plate which is made out of metal has a much higher rate of thermal conductivity. This means that heat will both transfer to and from the plate at a high rate compared to something less thermally conductive such as wood or plastic/rubber. When you touch a piece of metal that is, say, 50c vs touching a different material the metal will feel warmer. What this means is that the plate can inadvertently feel a lot hotter than it is simply because more heat is able to transfer to your hand not because it's actually 'hotter' (although thermal capacity is a thing, so technically it could have more energy but be the same or lower temperature... I digress).

Ultimately I would say that if you can touch it and hold your hand there for a good little while you are OK. If you really feel the need some software (maybe EVGA depending on your card) can have additional thermal sensors to help you figure out why your temperatures are the way they are. An IR camera would be the best tool to use to determine the temperature, or even a laser thermometer or thermocouple but those can vary in accuracy. The 2080 Ti can be an incredibly power hungry card especially if you have modded the power limit, if you just keep pumping juice into it it can pull 450-500+ watts which means the heat has to go somewhere, and if it's not being dissipated by the block, then the backplate being warm is a good start in all honesty, as having it be cool to the touch would suggest no thermal transfer which means your components are either idling or cooking.

SOOOOOOOO....

TL;DR: Warm plate = components are being cooled = happy :)

Thank you for the info. Now I understand it better. Yes I put all of the thermal pads on both waterblock and backplate according to manuals. Unfortunately I don't have hardware to determine the temps (IR cam or laser thermometer). It's also the reference design so there's no software to measure the VRM temps.
I wonder if the card would shut itself down in case of VRM components start to overheat?

ThrashZone 05-21-2019 07:10 AM

Hi,
VRM overheating would just throttle the gpu

If worried just make sure case air flow is optimal
Or add a fan to where it's shooting onto or across the backplate.

By the way 113 degrees is just another Hot day in Texas ;)

mr.freud 05-21-2019 07:45 AM

Quote:

Originally Posted by ThrashZone (Post 27973944)
Hi,
VRM overheating would just throttle the gpu

If worried just make sure case air flow is optimal
Or add a fan to where it's shooting onto or across the backplate.

By the way 113 degrees is just another Hot day in Texas ;)

I have 3 fans on rad in front as intake and 3 on top rad as exhaust. And my back fan is set as intake too (just above the gpu). Do you think it's optimal? or should I set the one in the back as exhaust?
Also if for some reason you'd ever want to move to russia - I would gladly switch places with you :D

ThrashZone 05-21-2019 08:42 AM

Hi,
Having the top rear as intake as long as you don't mind it pulling unfiltered dust in and through your top radiator it will do good for the top radiator cool air wise
Dust wise it will usually clog it pretty quickly ;)
Doubt it does anything for the gpu unless you point it down to push onto it.

I keep all radiators as intake top and front and of course filtered
All air is forced out the back.


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