after market cooling on your 5850? What did you use? Stock plate left on?

bradyapba

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Nov 30, 2004
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Ok, so after looking at all the cooling solutions for the 5850, I decided to go with the Arctic Cooling Twin Turbo Pro. I know I will have to mod the fins a little around the DVI connector. I plan to try and keep the stock VRM cooling plate on.

So heres my question. Has anyone else done this successfully? With or without the back plate?

If you used a different cooler, why did you choose it? Were you able to keep the stock VRm cooling plate on?

I went with the Twin Turbo pro, because its a good cooler, will plug into the fan header on the card, and is pretty silent, and I hoping with the stock cooler plate on, and the 2 92mm fans blowing on the plate, it will keep the VRM cool, plus i have 2 S-flexes modded in the window blowing outside case air, right onto my VC, so that should keep the plate cool too.

Heres hoping. I hope its relatively easy to keep the stock plate on.

I also picked, because I was able to find it for $38
 
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Heres our victim: A power Color 5850



Heres the back, where i have to remove the screws to seperate the the board from the reference cooler.



all seperated, you can see where the cooler hits the GPU and where the thermal pads are:




Here you can see i need to remove about 8 screws(more on that in a minute), so I can seperate that black metal plate from the rest of the junk, so i can reinstall it.




Heres the GPU all cleaned of its cheap goop. All shiny!


Heres everything separated (and if you notice on the bottom piece, i broke it, 2 screws would not come out, and the plastic actually broke as i was trying to get them out! This cooler better work now! ) Its only a $300 video card, no biggie




heres the back plate, reinstalled.(the part i wasnt sure would work


screws back in!



View from the bottom. As you can see on the right, some of the fins hit the DVI port, I have to cut/bend about 11 of them to get it to fit)


close up of the bottom (so you can see how close it sits to the base)




view from the top, so you can see the clearance for the heat pipes.



finally, installed!!!



itrs running like a champ.

If you remember i cant run the reference fan past 40% because it sounds like a jet engine. This cooler, I can run at 100, and you cant hear it at all! Its silent!

Now on to the quick stats:

Reference cooler:(fan 40%)

stock is 725/1000 Volts 1.08

I stopped at 850/1170 temps GPU/MEM were 62C/71C (100% load)thats about as comfortable as i was willing to get. Volts 1.175

With the Turbo Pro temps went to 46C/68C

quick test I OCed to 925/1200 and it was 51c/72c.

loving it. Better cooling on GPU, it keep the Mem as cool (most aftermarket coolers are having a hard time keeping the mem cool without the stock baseplate) as the reference cooler, and silent!
 
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yeah u can try thermal epoxy but cut it a little bit so its not as strong[ so u can remove em if needed] and stick on a few small heatsinks to cool the vrm plate or buy a stock heatsink and use it..
 
Edit: i forgot to mention. Tighten all the screws well. I was afraid at 1st, and got some crappy temps, when i tightened everything as best I could, temps were great.
 
ok final stats on my last OC. This is probably where i stop, where im not real comfortable exceeding these temps.

final OC was:

Volts = 1.225
GPU = 925
MEM = 1200

Passed 100% load test for 20 minutes, no errors.

temps:

GPU: settled in after about 2 minutes, and didnt change much the rest of the way too:

GPU 1: 58 C
GPU 2: 72 C
GPU 3: 68C

VRMS:

VRM 1:74C
VRM 2:78C
VRM 3:76C


Those temps seem acceptable to you guys?
 
hello bradyapba

thanks for youre help at silentforum ;)

with stock settings and stock cooler I reached 84c VRM after 12min of furmark.

so if this setup gives you 78c full load then it should be fine, you can try furmark but today most games do not use that much power.
 
Did this to my 5850 yesterday:
dsc00044vn.jpg

Idles at 48c, load 90c in furmark @ stock. Very silent though. Some case ventilation improvements are on the way :)
 
hello bradyapba

thanks for youre help at silentforum ;)

with stock settings and stock cooler I reached 84c VRM after 12min of furmark.

so if this setup gives you 78c full load then it should be fine, you can try furmark but today most games do not use that much power.


Your welcome! Yeah, if my temps are lower than yours, and mine is way overclocked, i think im fine..

and yeah, my temps dont get nearly that hot in any game. Its been running great, an amazing cooler!!
 
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