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CM 690 II Advanced Cooling Suggestion - Page 2

post #11 of 20
would these mods apply to the nvidia edition as well?
post #12 of 20
Thread Starter 
Quote:
Originally Posted by ehume;14397601 
You can get sheets of stiff plastic from hobby stores. They're used to make buildings in model train dioramas.
Good to know! thumb.gif
Quote:
Originally Posted by ehume;14397601 
I found a PWM fan here. But you have to mod them, proceeding very carefully.

Personally, I'd always mod these things to take power from the PSU if I were truly going to use them in a rig.
I'll definitely look into this, depends on how ambitious I am. I am also looking into doing the Gentle Typhoon mod since I have the materials needed for that except I'm not sure where to get female 4pin fan plugs.
Quote:
Originally Posted by ehume;14397601 
I believe it will redirect the front intake to an upward vector . . . unless you make the bottom intake too strong.
I wish I had some sort of fog or smoke machine to see where all of the air channels are. Any ideas on a cheap imitation smoke system? This way I could change the RPMs on my fan controller and watch it adjust to find the best airflow.
Quote:
Originally Posted by ehume;14397601 
The side exhaust should give better gpu temps in a case with bottom intake(s). With the 690, you're generously supplied.
I noticed the OP of this comment and yourself both have ATI cards, do these exhaust out the rear or exhaust inside. The reason for my asking is because the GTX460 ref. card exhausts out the rear of the case. Regardless, if I do move a fan here I plan on doing testing myself.
post #13 of 20
Quote:
Originally Posted by sdfx;14399516 
would these mods apply to the nvidia edition as well?

Yes. The nvidia edition is just a new painted case (I suppose).
    
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AMD FX-8320 3.5Ghz @ 3.5ghz Gigabyte 990FXA-UD3 Gigabyte 6850 OC windforce 1GB GDDR5  8GB (2x4GB) G.SKILL RipjawsX F3-12800CL9D-8GBXL 
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post #14 of 20
Thread Starter 
Okay so I gathered all of the suggestions and used them to make some mock-ups of four possible placement setups for my fans. Give me some input on which mock-up you think would work best!

Legend:
Blue = Intake
Red = Exhaust
White = Blocked Off
Gray = Open Area (Removal of PCI covers or no rear fan)

In #1 and #3 it's assuming I put the HDD cage back in to support the mounting of the proposed fan position. This also would allow me to actually cool the two hard drives I plan on getting instead of only hitting the bottom of one drive.

In #1 and #2, the red/blue square represents either an intake or exhaust for the side panel's bottom position. I'll decide which to use depending on what cools my GPU more after testing.

#1
case1oh.jpg

#2
case2jm.jpg

#3
case3hj.jpg

#4
case4.jpg
post #15 of 20
I'm going to freely bump the thread 'cause I also want to know the answer.
    
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post #16 of 20
Thread Starter 
Quote:
Originally Posted by spikexp;14426692 
I'm going to freely bump the thread 'cause I also want to know the answer.

Here's the plan I'm going with when I make the adjustments next week. I haven't decided if I'll include the most-frontal part of the HDD cage yet (using the other part as structure for the fans to attach to), but I'll figure that out after testing how much it obstructs airflow.
post #17 of 20
I got a recommendation from a friend:
You put the back fan on intake and top as exhaust (because air go up) to bring cold air directly to the cooler.
Like that
http://i.imgur.com/EfrUwl.jpg
it's is drawing, not mine XD
    
CPUMotherboardGraphicsRAM
AMD FX-8320 3.5Ghz @ 3.5ghz Gigabyte 990FXA-UD3 Gigabyte 6850 OC windforce 1GB GDDR5  8GB (2x4GB) G.SKILL RipjawsX F3-12800CL9D-8GBXL 
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post #18 of 20
Quote:
Originally Posted by spikexp;14539207 
I got a recommendation from a friend:
You put the back fan on intake and top as exhaust (because air go up) to bring cold air directly to the cooler.
Like that
http://i.imgur.com/EfrUwl.jpg
it's is drawing, not mine XD

It would cool nicely . . . except that it might ingest hot air rolling up from the psu. That air, being undirected, will rise.
alpha updated
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secundus
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alpha updated
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secundus
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post #19 of 20
Quote:
Originally Posted by spikexp;14539207 
I got a recommendation from a friend:
You put the back fan on intake and top as exhaust (because air go up) to bring cold air directly to the cooler.
Like that
http://i.imgur.com/EfrUwl.jpg
it's is drawing, not mine XD

Moving the bottom fan next to PSU would help to get more air for GPU, doesn't it?
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StrykeR
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post #20 of 20
Quote:
Originally Posted by mikupoiss;14540486 
Moving the bottom fan next to PSU would help to get more air for GPU, doesn't it?

Well, I did put it as intake on the side panel. I gain maybe 2 to 5 C on my GPU at idle, might help with full load, but I don't overclock it (to small of a gain since it don't overclock really well) so even with the fan at 55% at load, it's not that bad.
    
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AMD FX-8320 3.5Ghz @ 3.5ghz Gigabyte 990FXA-UD3 Gigabyte 6850 OC windforce 1GB GDDR5  8GB (2x4GB) G.SKILL RipjawsX F3-12800CL9D-8GBXL 
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AMD FX-8320 3.5Ghz @ 3.5ghz Gigabyte 990FXA-UD3 Gigabyte 6850 OC windforce 1GB GDDR5  8GB (2x4GB) G.SKILL RipjawsX F3-12800CL9D-8GBXL 
Hard DriveHard DriveHard DriveCooling
2TB Caviar Green 250GB Hitachi 64GB Crucial M4 Noctua D14 
OSMonitorMonitorMonitor
Linux + Windows 7 64Bits LG Flatron Wide 20.1" 1680x1050 LG Flatron W2442PA 24" 1080p Samsung B2430HD 24 With TV Tuner 1080p 
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