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AXPs in SLI on 2x GTX 480 Heat Issue - Page 3

post #21 of 41
Quote:
Originally Posted by ChicAgoHawk;13920046 
I already did that one too tongue.gif , please read above. I put one of my AP-15s on the HD cage and it made zero difference frown.gif.

I did just think of a new idea though. I took this huge industrial fan I have, which is about the same size of my HAF-X, took off the side panel and replaced it with that fan to see what would happen. The fan of course moves more air than my AP-15 or my 200mm, but also has much higher pressure than my AP-15 (just by putting my hand up to it tongue.gif, I don't know the actual specs of the fan).

Idle, it took the top card down to 40C (turned off my dual monitors for better measuring)...and my bottom card idles at 36C...that's a 4C difference, that's how it should be! So I had high hopes about the Furmark test. Well, Furmark took the card to 85C maxed out (66C on the bottom card). 15C drop in temperature. At least I know now SOMETHING can move air under that top card. I just have to figure out what kind of case fan I can use to replace the 200mm one to do the same job the ear bleeding industrial fan is doing right now.

EDIT: Put one of my AP-15s on my side panel in place of the 200mm to see if temps improved. They improved slightly...95C on the top card, 5C decrease. I'd love to get 2x 120mm or 2x 140mm on that side intake, like nagle3092 mentioned, but that's difficult. I can't fit them on the side panel the current way it is...as there's only room for up to 200mm x 200mm. If I did mount them, part of the intake of both fans would be blocked by the side panel and I don't know if that would affect air flow too much. Or, I'd have to find a panel that fits both fans and fits on the HAF-X or make a mod of my own...and I'm no pro when it comes to modding that involves drilling or cutting acrylic glass...
You could try the regular HAF 932 panel, as it fits the HAF X, and has the proper screw holes for up to four 120mm fans.
The CM Store has it in stock at a very reasonable sale price.
I just ordered one because my 932 has the BE full-windowed panel, and I wanted to get some air flowing on my two 480's.
Edit: Here is the direct link to the panel:
http://cmstore.coolermaster-usa.com/product_info.php?cPath=18_25&products_id=131
Edited by DerComissar - 6/18/11 at 5:27pm
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post #22 of 41
In all honesty I never thought those type of coolers did well in an enclosure.

I think they are more suited to open air benches.
I bet you would get better temps with a ref coolered card in the top slot.
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post #23 of 41
Quote:
Originally Posted by grunion View Post
In all honesty I never thought those type of coolers did well in an enclosure.

I think they are more suited to open air benches.
I bet you would get better temps with a ref coolered card in the top slot.
no they are not

axp took my overclocked 5850@1000 on core to 48 in furmark with 100% fan
stock cooler on stock clock in furmark=70C
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post #24 of 41
Thread Starter 
Quote:
Originally Posted by DerComissar View Post
You could try the regular HAF 932 panel, as it fits the HAF X, and has the proper screw holes for up to four 120mm fans.
The CM Store has it in stock at a very reasonable sale price.
I just ordered one because my 932 has the BE full-windowed panel, and I wanted to get some air flowing on my two 480's.
Edit: Here is the direct link to the panel:
http://cmstore.coolermaster-usa.com/...roducts_id=131
Great info! I could slap a couple 120mm fans on there and that should do the job. I'm assuming a high static pressure fan like the Gentle Typhoon AP-15 does the job best?

Quote:
Originally Posted by grunion View Post
In all honesty I never thought those type of coolers did well in an enclosure.

I think they are more suited to open air benches.
I bet you would get better temps with a ref coolered card in the top slot.
100% correct. I only have game benchmarks to back that up, but I got about 5C or so higher on the top AXP card than I got with the stock cooler at 100%. It really is unfortunate, but I did trade the noise for that. Also, hopefully a couple of strong 120mm fans using the HAF 932 side panel can turn things around.
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post #25 of 41
Quote:
Originally Posted by ChicAgoHawk View Post
Great info! I could slap a couple 120mm fans on there and that should do the job. I'm assuming a high static pressure fan like the Gentle Typhoon AP-15 does the job best?
Exactly, that's what I will be experimenting with as well.
I'm thinking it's got to be the card spacing on your Asus board that's making the top card heat up more. My top card typically runs up to 9C hotter on a really high load, maxing in the high 70's, but that's it.

I've had side fans on several cases before, but low speed fans were not very effective for me.
I haven't used the Scythe AP-15's, but as you found with one AP-15, it produced a 5C decrease, so two should be better. Nice thing about the regular HAF 932 panel is that it has lots of fan mounting options, without having to drill out holes or mod it.
Looks like the stock 200mm fan isn't very good, I'm going to try it when I get the door panel just to compare it to no ventilation, but I know I will end up getting at least two 120mm's. There are a lot of guys running four 120mm's on the HAF 932 panels in the HAF club thread.

As you found with the industrial fan, getting some good airflow going in there will really help the temps. 85C isn't too bad for a 480 when running Furmark, I can come close to that if I run it.
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post #26 of 41
Quote:
Originally Posted by hawkeeyee View Post
no they are not

axp took my overclocked 5850@1000 on core to 48 in furmark with 100% fan
stock cooler on stock clock in furmark=70C
I'm referring to multi gpu set ups.

Stack those coolers and see what happens.
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post #27 of 41
Thread Starter 
So a little update. I bought the 932 side panel with the fan mounts off of CoolerMaster's site and a couple of AP-15s. Just received my AP-15s today and then got a call from CM stating the 932 side panel is out of stock (great inventory check there, also glad they processed it and charged my CC and then called me days later...). I had the rep check if they have any refurbished panels in stock and he said he'd give me a call tomorrow about it.

If that doesn't work, my only other chance at trying out this cooling method is to make a side panel mod. Would anyone recommend someone on the board or someone they know who can cut acrylic glass well to mount a couple of 120mms on it? It would honestly be cheaper to pay someone to do it rather than having to buy all the tools necessary myself and the time it takes to learn it.

I'm also wondering if hodgoes2001 tried turning off his side panel fans and seeing how that affected the cooling still...
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post #28 of 41
Quote:
Originally Posted by ChicAgoHawk View Post
So a little update. I bought the 932 side panel with the fan mounts off of CoolerMaster's site and a couple of AP-15s. Just received my AP-15s today and then got a call from CM stating the 932 side panel is out of stock (great inventory check there, also glad they processed it and charged my CC and then called me days later...). I had the rep check if they have any refurbished panels in stock and he said he'd give me a call tomorrow about it.

If that doesn't work, my only other chance at trying out this cooling method is to make a side panel mod. Would anyone recommend someone on the board or someone they know who can cut acrylic glass well to mount a couple of 120mms on it? It would honestly be cheaper to pay someone to do it rather than having to buy all the tools necessary myself and the time it takes to learn it.

I'm also wondering if hodgoes2001 tried turning off his side panel fans and seeing how that affected the cooling still...
Here's the testing I did with the 932 panel and various fans installed.
My results should be applicable to your situation, in spite of the different brand of gpu coolers we are using, reviews have them producing similar results. The 932 and HAF X are very compatible cases.
http://www.overclock.net/13996490-post14674.html
To sum up my results with the 932 door panel and four CM R4 120mm fans installed, I was able to reduce the idle temps. by as much as 6C, load temps. by as much as 10C. The temp. difference between the top and bottom card at load went from a 10C spread down to about 4C., so a 6C reduction there.

Note that my results with the 230mm fans were dismal. I tested both the included black one and the red led version that both came with my case, and all I saw was a brief 1C drop on the top card, the red led fan produced no temp. decrease at all. The panel itself with no fans installed was just as effective.

The problem with the HAF X door panel is that it is only designed for the big fan, no provision for anything else. That is where you should really benefit from the 932 panel, and at least two, but better four, 120mm fans, as I did.

I hope that CM can arrange to send that 932 panel asap. They should damn well pull one off a new 932 for you if they have to!

I've been running the four 120mm fans for a week now, and I am really pleased with it. We have had some hot summer weather, and I've been able to monitor the gpu temps. under all kinds of conditions, and various loads under different gaming and gpu tests, and it continues to perform well.

As far as modding the HAF X panel to accept some 120mm fans, it looks like a difficult task. The grill is only the size of the stock 200mm fan, and the window is separate. Some of the really skilled modders here would probably have some ideas, but it wouldn't be easy regardless.
Hopefully you will get the 932 panel soon.
Edited by DerComissar - 7/1/11 at 1:52am
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post #29 of 41
Quote:
Originally Posted by ChicAgoHawk View Post
So a little update. I bought the 932 side panel with the fan mounts off of CoolerMaster's site and a couple of AP-15s. Just received my AP-15s today and then got a call from CM stating the 932 side panel is out of stock (great inventory check there, also glad they processed it and charged my CC and then called me days later...). I had the rep check if they have any refurbished panels in stock and he said he'd give me a call tomorrow about it.

If that doesn't work, my only other chance at trying out this cooling method is to make a side panel mod. Would anyone recommend someone on the board or someone they know who can cut acrylic glass well to mount a couple of 120mms on it? It would honestly be cheaper to pay someone to do it rather than having to buy all the tools necessary myself and the time it takes to learn it.

I'm also wondering if hodgoes2001 tried turning off his side panel fans and seeing how that affected the cooling still...
if i turn off my side fans, my temps skyrocket...

@ stock clocks (won't run my OC without the side fans)

up to 90 Deg C on the top card...

and 70 Deg C on the bottom card...

so yes my side fans are my saving grace...

but that is to be expected with 2 high performance GPUs so close together...
post #30 of 41
How about buying a thermalright spitfire and placing it on the top card? You could always sell your cooler online. It would look like this:
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