UnclearAsh
I know you guys have succeeded in getting these installed, but after shorting out 2 cards attempting this I am too terrified to try a third time when EVGA has been pretty cool with my RMAs so far.

So EVGA has replaced your cards after trying to water cool them. What did they ask you during the RMA process?

oky want to give an update on my ek front and active backplate, just fired my 2x 3090 with ek front and active backplate and both video card is working. my memory temp for 1 card is 90c  and the other is 70c overall water temp is 45c

It took three cards and four tries, but I've finally got my EKWB front & active backplate installed on my 3090 FTW3 Ultra. And so far it's been great.
 
GPU Temps: 25-30 at idle, 50 or so under load
Junction/Hotspot: under 60 under load
Mem: under 40 under load
 
I've managed to O/C to +150 / +1000 on 3dMark - JUUUST under 15000 on PR. I tried +160 and it runs but the results are worse.
My "daily driver" O/C is -200 / [link=mailto:2040@1v]2040@1[/link]v, +1200 memory, and that works just fine with very low temperatures.
 
Was it worth it? Absolutely not. This was a complete waste of time and money. But nevertheless I'm enjoying it right now.

KingEngineRevUp

Jinatsuu
Alright, was indeed able to tighten some screws even though two got stripped. I turned up the pump speed as well to get the bubbles out but thought I'd try a port royal stress test as well and seems like memory Temps stabilized around the 60c to the 62c range. Pretty happy with that and will deal with the strip screws later if I need to get back in there lol.

Did you use the right Phillips size? Or over side too small?

Hey King,
I thought you might know the answer to this issue I’m having.
So to start off my GPU hotspot was all over the place a month ago, the temps would go anywhere from 30c to 40c above the gpu’s temps.
I took the card apart and reapplied the thermal paste. Now my hotspot temp is 10c above gpu temp but under load it tends to go 20 to 22c above gpu temps.
Do I need to redo the thermal paste? All other temps are normal.

Any help would be appreciated!
This is temps was while running Time spy:
 
This temp is under no load:
 
 
The Average is 15.1 over GPU temps.

Typical full load delta is 10-15C, so you're still pretty high. Probably doesn't hurt anything if it isn't throttling. May hurt OC'ing some.

talon951
Typical full load delta is 10-15C, so you're still pretty high. Probably doesn't hurt anything if it isn't throttling. May hurt OC'ing some.

Yes I agree, it’s for sure effecting any Ocing. I will probably neeed to drain and do the thermal past again. But I will use a different thermal paste this time. Instead of the generic EKWB.

Thank you Talon!

I'd try a thick paste like Gelid GC-Extreme or Kryonaut Extreme (not normal Kryonaut as it tends to degrade on gpus). I've had Kryonaut Extreme on my 3090 since the first of August with no degradation and good temps (11C hotspot delta, 15C block delta at 500w). It is a little difficult to spread though. I haven't personally used the Gelid but have seen reports of good results.

Primarily you want a thicker paste since the core tends to be slightly dome shaped. At least that's the explanation I've seen.

talon951
I'd try a thick paste like Gelid GC-Extreme or Kryonaut Extreme (not normal Kryonaut as it tends to degrade on gpus). I've had Kryonaut Extreme on my 3090 since the first of August with no degradation and good temps (11C hotspot delta, 15C block delta at 500w). It is a little difficult to spread though. I haven't personally used the Gelid but have seen reports of good results.

Primarily you want a thicker paste since the core tends to be slightly dome shaped. At least that's the explanation I've seen.

That's very helpful, The local store has these options:
- Thermal Grizzly Hydronaut Thermal Grease Paste 
- Cooler Master New Edition MasterGel Maker Diamond Particle Thermal Paste
- EVGA FROSTBITE 2 THERMAL GREASE
 
Which one do you think would work best, seems around the same W/mk.
 
And you spread it your self? I tried that once but didn't like the results. I usually do a dot method. 

I haven't used any of those or seen many examples of them being used on gpus,so really don't have an opinion.

The dot method could be your problem. That can work, but I think a thin spread works better for GPUs. Most of the hard core watercooling/OC'ers seem to do that. Use a little spreader like comes with some of the pastes. You want a thin layer, but that covers the entire core. I've done that several times now with good results. I think the combination of the size of the core, the slight curvature I mentioned, and relatively low contact pressure is why it works better for GPUs.

talon951
I haven't used any of those or seen many examples of them being used on gpus,so really don't have an opinion.

The dot method could be your problem. That can work, but I think a thin spread works better for GPUs. Most of the hard core watercooling/OC'ers seem to do that. Use a little spreader like comes with some of the pastes. You want a thin layer, but that covers the entire core. I've done that several times now with good results. I think the combination of the size of the core, the slight curvature I mentioned, and relatively low contact pressure is why it works better for GPUs.

Thank you Talon! Your advice came in handy! I re applied thermal paste used MX-4 and now hot stop is 10C over ideal and 14-18C underload.
 
Having to repasted that card for the 3rd time, now I know that the EKWB paste that I got wasn't the best. It was detreating everywhere.
 
Again thank you man!