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Dual Antec 620 CPU/GPU Cooling FT03

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xyexz

Limp Gawd
Joined
Jan 28, 2012
Messages
471
Curious if anyone else has tried something like this, I found a guy Dwood on overclock.net that makes custom brackets to fix closed loop liquid cooling kits like the Antec Kuhler 620 on a nVidia GPU like the GTX 570 reference I have.
http://www.overclock.net/t/1237219/tript-cc-620-920-h50-h70-gpu-brackets-fan-grills-custom-case-badges#post_16860941

I have a silverstone FT03 case and I'm already using one 620 on my 2600k but what I'm wondering is if I get a second 620 and use one of dwoods brackets, could I sandwich both 620's together and still get close to optimal performance out of the upgrade?

Also other things I've thought about are:
1) Should cpu rad blow into gpu rad, which then blows out?
2) Do I put a fan between both rads, or not? (and if not, do I try to cover up any gaps with tap or something)

Also wondering what fans would be best for a couple of these 620s sandwich together, I'll be worried about combining the temps and not having a very effective cooling solution.

For anyone curious I'm pushing around 80-85c on my card right now stock clock, I don't care if it's fine to run at that temp, I absolutely don't want it to be that hot, my office turns into a sauna and I know the card can run cooler because when I turn on my custom fan profile in evga precision it'll drop to 55-60c which is much more manageable.

I've looked at the artic accelero stuff and wondering if any of that would work? They don't have any designs for the pure air models that exhaust out the back so I feel they would just push hot air around in my case, they have a closed loop water cooler but it's way more expensive than the dwood bracket method. Plus I don't know if the accelero stuff would fit in the FT03 (any comments on that welcome too).

Hopefully someone can shed some light on this from experience?
 
I can't shed much light on this other than obviously your temps will suffer a bit, but by how much you'll never know until you test it.

I primarily wanted to post here to thank you for this link. I now will be able to overclock my 480 without my house heating up by 5F. I wish I were kidding.
 
Also thanks for the link! Seen folks doing this but didn't know how the mounting was accomplished.

xyexz said:
I absolutely don't want it to be that hot, my office turns into a sauna
Click to expand...
EQWoody said:
I now will be able to overclock my 480 without my house heating up by 5F. I wish I were kidding.
Click to expand...

Not to be an ass, but we've got a minor physics fail here ... a chip's heat output is determined by clock & voltage, and it will output that much heat regardless of what's used to cool it. (Heat should not be confused with temperature.) Further, that heat will end up in your room regardless - in fact, using more efficient cooling (lowering the temp of the chip, moving more heat into the room) will only heat your room that much more efficiently! If you're really having room temp issues, the only solution is lowering the clock/voltage of the GPU, or using a more efficient GPU.

As far as using 2 620s - it would be best if you didn't sandwich them for best performance, but it is possible bearing in mind the 2nd unit in the chain will run substantially hotter. A fan in the middle will help push air through the 2nd rad, but isn't required assuming you can get enough pressure through both rads. Sealing the gaps between all units/fans will help as well - something like these might do the trick.
 
Haha glad I could be of some service in providing links for people, I couldn't believe how awesome the bracket thing idea was when I read it.

I didn't think about using the shake washers that would help with noise regardless.

I pm'd dwood on overclock.net, I'm going to try it regardless now I think, I'll obviously post pictures and success/fail stories :D
 
Sweet, go for it! Pioneers are always welcome :cool:

I'd recommend putting the GPU rad 2nd (after the CPU rad) as your GPU can tolerate the higher temp better.
 
Yup that's what I'm thinking, might not get as good of temps as DWOOD on oc.net is getting but it'll be better than the stock reference cooler and fans will be quieter as well.

I posted some pictures on my blog of my test fitments of two Antec 620s in my FT03, enjoy - I didn't bother disconnecting my CPU rad and making it the lower one yet but it's a good proof of concept.

http://xyexz.wordpress.com/2012/07/15/project-gpu-freeze/
 
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