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SLI GTX 580 Bracket Removal

post #1 of 8
Thread Starter 
I tried undervolting, failed at that.

Next approach to cooling my GTX580 SLI is the removal of the brackets, let them breathe freely.

700

I didn't have the right tool to get that screw open, used my trusty pliers, and they worked perfectly. Who needs a fancy tool kit? tongue.gif

450

That's the two cards done, notice how there is nothing in the way of the exhaust now.

450

This is how they fit in my case, the leaning GPU's of Pisa.
The SLI ribbon is holding them together, as are the power plugs in the back, so they're stable.

450

And because of the way they lean, there is a lot of space between the 2 sandwiched GPU's, making the first one breathe much better than before.


So the Results:

Well playing the same level in Deus Ex: Missing Link (2560x1440 resolution)

Before : 78% fan @ 78c
After: 73% fan @ 73c

So a 5c drop in temp, and that's without taking into consideration the fan isn't running as hard.

(I almost had a heart-attack when I ran the game for the first time after the mod, since it was artifacting and flicking blue during the game. Re-opened the case and turned out in my haste, I forgot to properly put in the SLI ribbon. After adjusting it properly, everything is running perfectly)
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post #2 of 8
Could find some OLD non used single slot vid cards and make them fit on your cards.
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post #3 of 8
You can install single slot bracket back to your GTX580s.

2 such products are:-
a) EVGA
http://www.evga.com/products/moreInfo.asp?pn=M020-00-000161&family=Accessories%20-%20Hardware&sw=4
http://www.sidewindercomputers.com/sislgtx48br.html
483

b) Phobya
http://www.aquatuning.us/product_info.php/info/p10086_Phobya-465-470-480-single-slot-slot-cover.html




If you wish to further enhance the exhaust of the two cards, consider adding an pull-fan system. This should drop several degrees further. Read my thread for the idea:-
http://www.overclock.net/t/1053718/thermal-management-outside-a-case-part-ii

One example
450
post #4 of 8
Thread Starter 
After "windfire's" tips, I managed to ghetto mod my own shroud, with a bit of pimp in there too.

448

Zip-tie the fans, and I put a double sided tape in between to act as a gasket.

336

Here's how it looked like with cardboard from a cereal box.

336

Then I decided to make it look better, so added some black paper on the outside.

336

And here is my ghetto shroud in all it's glory, I'll be installing it to my case and gpu's later, will post pics for sure too.
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post #5 of 8
looks good, adjas.

The stock reference GTX 580 bracket restricts too much exhaust. My gpu load temp decreased the same (5C) when I removed my GTX 580 bracket. Less fan noise too. It's almost like having a new gpu cooler.

Do let us know how well those rear external gpu exhaust fans work for you. I might try something like that.
Hope your fans are not too small. A GTX 580 at 85% fan speed (and without a bracket) can exhaust a LOT of air.

Here's my GTX 580 stub bracket.
cut_gtx580_bracket.jpg

Here's the stub bracket I made for my 8800 GTS (3C load temp decrease)
stub_bracket1.jpg 66k .jpg file

In addition to cutting down the bracket, I also cut off the thin strip of metal between the PCI slots.
Since you already got 5C temp decrease, it may not make any difference if you cut them off.

Rear side of my case (without bracket)
remove_bracket_cut_pci_slot_divider.jpg 129k .jpg file
Edited by Partol - 3/21/12 at 1:24pm
     
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post #6 of 8
Thread Starter 
Just finished installing the shroud unto the case, and it looks very stock like, (to me at least) smile.gif

450


700


450


I'll be adding the difference in temps in a bit, if there is any.

So far they're idling at 40c @ 45% and 37c @ 43%.

Edited (added):

After a 5 minute gaming session with the same game as earlier (Deus Ex: Missing Link)

Max temp 67c @ 67% and 63c @ 63%

I'm over the moon with those temps, mod well worth it, plus it was fun creating and attaching the shroud.
Edited by adjas - 3/21/12 at 2:56pm
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post #7 of 8
i know sounds a lil picky but wheres your RGB/DVI cables? or are you playing wireless,lol
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post #8 of 8
Thread Starter 
If you look to the left of the shroud, you can just make out the DV-I outputs.

Wireless tongue.gif
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