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Corsair 800D Mod ... or how I dropped my Fermi temps by 10C (*56k warn*)

post #1 of 32
Thread Starter 
So, I originally had the idea to put 2 fans in the side panel of the Corsair 800D Obsidian in order to cool my GTX260s. I then got a GTX480, and I definitely needed more air flow going through the case.

After looking around, I found someone at the EVGA forums who had done something like I wanted to do. Now, being a noob at case modding, I didn't want to cut the fan holes in the plexi myself, for fear of cracking it or just doing a poor job in general.

Well, I contacted CyberDruid and he was kind enough to help me out with this. I sent him the panel, instructed him where I wanted them, and he sent it back with the fan holes cut.

Now, my GTX480 idled at 76C before the mod with the side panel off. This is due to the dual monitor bug in the hardware that does not allow the card to downclock into 2D power saving mode. In games, I was getting up to 90C.

I havent done any testing yet with any games, but EVGA Precision is showing the card now idles at 66C, and there is a strong flow of air throughout that whole zone in the 800d.

Anyways, here is a pic of the case mod. Dont mind the dust ha.



Im going to add another GTX480 by the end of the summer, and Im in the process of getting my high flow brackets. That should drop it by another few degrees celcius.
Edited by shiarua - 8/9/10 at 12:59pm
post #2 of 32
Look into getting a backplate if you want a few degrees off. The high flow bracket only lowers the temp by 1 degree celcius on average, while I think the backplate does 4 or 5
    
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post #3 of 32
Thread Starter 
You know, Im not sure if EVGA offers a backplate yet for the GTX480. Its been brought up on the EVGA forums and they are working on getting it released, but it just hasnt happened yet (to my knowledge)
post #4 of 32
Quote:
Originally Posted by shiarua View Post
You know, Im not sure if EVGA offers a backplate yet for the GTX480. Its been brought up on the EVGA forums and they are working on getting it released, but it just hasnt happened yet (to my knowledge)
I was looking for those today, no dice
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post #5 of 32
Quote:
Originally Posted by Deagle50ae View Post
I was looking for those today, no dice
+1 can't wait for them to release those. These bad-boys in SLI get the temps up pretty high.
Money-sink ;/
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post #6 of 32
I may be a noob on this subject, but by backplate would you happen to mean the thing that came on my 5870 Vapor-X? It was a nice solid plate on the back of my 5870, really reinforced it and looked good...
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post #7 of 32
Quote:
Originally Posted by RPaulG87 View Post
I may be a noob on this subject, but by backplate would you happen to mean the thing that came on my 5870 Vapor-X? It was a nice solid plate on the back of my 5870, really reinforced it and looked good...
yep.

The 480's, alot of them, are not coming with backplates until just recently. We're all waiting for EVGA to release theirs. Rumor has it they may give it away for free to EVGA fermi owners.

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post #8 of 32
Thread Starter 
Quote:
Originally Posted by Deagle50ae View Post
yep.

The 480's, alot of them, are not coming with backplates until just recently. We're all waiting for EVGA to release theirs. Rumor has it they may give it away for free to EVGA fermi owners.

Backplate will apparently be free

Source

Quote:
In other news, EVGA will upgrade any customer of GeForce GTX 470 or GTX 480 and send them a replacement high-airflow bracket and vented backplate for them to convert their existing cards. EVGA claims that the modification can result in a 7°C temperature drop (5°C via bracket, 2°C via backplate), meaning a quieter stock cooler or more overclocking headroom. Realistically this isn't a massive difference, but EVGA stated that it is '99 per cent certain it will do this for free', so we can't complain.

Addendum 4th June 2010: EVGA contacted us to correct that while the bracket and backplate will be free, p&p will have to be paid for.
EVGA Threads on the Backplates:
http://www.evga.com/forums/tm.aspx?m=260377
http://www.evga.com/forums/tm.aspx?m=447412
http://www.evga.com/forums/tm.aspx?m=399449
post #9 of 32
Sweet mod, I may just have to order another side panel from Corsair to try this out. Bummer that the fans block out the view though.

Oh yea, I'd get some fan filters for those fans as they're blowing directly onto the GPU. My old PC with only a mesh slot on the side (no fan) has a lot of dust on the video card b/c it's a negative pressure system.

What kind of fans are you using btw?
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post #10 of 32
The backplate isn't free, only the high flow bracket will be, but you still have to pay the $4.95 shipping.
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