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CM 690 II Advanced, need fan configuration suggestions

post #1 of 18
Thread Starter 
Hey there. I'm building a new gaming rig and i picked Cooler Master's 690 II Advanced to be my case. Everything's fine, except that i want to add a few more fans for better airflow in the case. I read stuff about positive and passive airflow and now i don't really know what to do. Here's the configurations i made, give me your oppinion and possibly how to fix it : )



A bit explanation of my plan. First of all the case is with a side window with a space for 120mm fan. So, i will remove most of the HDD bays and move the top 140mm fan under them for intake. Get 3 120mm fans, 2 as exhaust at the top and 1 at the side window as intake.
I don't know what fans to get, since in my country they're pretty damn limited, i was going to pick 3x 120mm Enermax Everest Blue UCEV12, but i read that altho it is quiet and looking good it doesn't move a lot of air. And now i don't know what fans to get too.. should i search for some yate loon fans or idk?

I'll be most grateful if you help me out : )
post #2 of 18
Welcome to OCN!

I suggest:- (see pic below)
a. 2 top fans removed as they will (likely) interfere with air intake and exhaust of the CPU cooler, probably doing small harm than giving big help.
b. Install a 120mm fan (Fan B) to the rear of your CPU cooler as 'pull' to assist the cooling
c. Install a 120mm fan (Fan A) to the top front of the case, lining it up to supply direct (ie straight line = shortest route) fresh air to feed the CPU cooler
d. Bottom 140mm fan removed. Only the lower front 140mm fan is enough

Last, I suggest you click the User CP on top and go into Edit System to the left to fill in details of your computer system.
post #3 of 18
I use this case as a gaming rig, this is my fan set up
Attachment 208148

What you see is front/bottom intake, with a fan hanging off the back of the HDD cage pointed at the VGA card. Bottom fan is intake, pointing straight up.
The yellow squar on the PSU/VGA card is a 120mm intake fan. I also suggest replaceing your PCI slot covers with mesh one's, or remove them(i used mesh ones) On the top of the case I blocked off the rear top exhaust vent, using the front top as an intake. with the rear fan as an exhaust. Hope this helps some, best thing for you to do is try out diffrent things and see what cools your rig best, each is diff in its own way. Good luck!

EDIT: ignore the red line on the blue arrow...did this in a hurry... also if you have 2 fan mounts on top of each other on the side pannel, block off the top most fan slot.
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post #4 of 18
Thread Starter 
Thank you guys.I managed to do a few more versions, which i think are far better than the first i suggested. You can see them bellow. For the case fans i think i'm gonna pick CM R4-L2R-20AC-GP 120mm Blue LED for the 120mm ones and for the CPU cooler either 1x or 2x CM R4-BMBS-20PK-R0 Blade Master 120mm.



Edited by Vex. - 4/30/11 at 12:54am
post #5 of 18
Quote:
Originally Posted by Vex. View Post
Thank you guys.I managed to do a few more versions, which i think are far better than the first i suggested. You can see them bellow. For the case fans i think i'm gonna pick CM R4-L2R-20AC-GP 120mm Blue LED for the 120mm ones and for the CPU cooler either 1x or 2x CM R4-BMBS-20PK-R0 Blade Master 120mm.
Looks great! Unless its a money issue. I would stongly recomend using Push pull, aswell as hanging a fan off the back of the HDD cage. I was just shocked at how well adding a fan to the HDD cage,and side pannel droped my GPU tempsThose R4's are ok fans I have used them in push pull on a CMhyper 212+ with great results!, I have a few around here somewhere
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post #6 of 18
Wouldn't it be better to have the top fans as exhaust since heat rises? Having the fans on the top as intakes would just be blowing all the hot air back down in to the case. I'd go with windfire's suggestion and maybe keep the left top fan but make it exhaust.
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post #7 of 18
Quote:
Originally Posted by blazed_1 View Post
Wouldn't it be better to have the top fans as exhaust since heat rises? Having the fans on the top as intakes would just be blowing all the hot air back down in to the case. I'd go with windfire's suggestion and maybe keep the left top fan but make it exhaust.
Heat dose not rise once fans enter the picture. play with a hair dryer. fans can "Push" the hot air where you want it to a good extent. If your intrested, I can post a bit more tech info on my case set up and why. basics are it has two airflow "zones" if you will results are great

Also, you will be shocked at what will and will not work in PC air cooling, I've been testing with this case non stop sence I got it, over a month or so
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post #8 of 18
Quote:
Originally Posted by KhaoticKomputing View Post
Heat dose not rise once fans enter the picture. play with a hair dryer. fans can "Push" the hot air where you want it to a good extent. If your intrested, I can post a bit more tech info on my case set up and why. basics are it has two airflow "zones" if you will results are great

Also, you will be shocked at what will and will not work in PC air cooling, I've been testing with this case non stop sence I got it, over a month or so
I can see the logic behind how your setup works and it looks good. I might actually try that with my next case. However, I was referring more to the last pics the OP had posted. I guess I just don't see the point of having a fan in the front of the case and one at the top feeding air to the cpu cooler. Also the one on top on the left in the pic is just blowing the hot air from the cpu cooler back down to the gpu.

On another note if that MSI N570GTX Twin Frozr II the OP has is going in that case its not going to be venting out the back but rather just dumping the heat into the case. So going by last pics OP posted you have 5 fans pulling air in and only 1 taking the hot air out.
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post #9 of 18
You should be trying to keep negative pressure (aka more air being sucked out than in), this will mean that less dust will end up in the case. I think the one in the OP is perfect except for the 140mm fan at the bottom, it sucks in an insane amount of dust there (I ran mine there for a few weeks, there was so much dust!).

Oh yeah, another thing, if your GPU in your signature is accurate, I believe those MSI cards don't have external exhaust(don't quote me on it though, I thought I remembered reading people complaining about it a while back).
post #10 of 18
Quote:
Originally Posted by blazed_1 View Post
I can see the logic behind how your setup works and it looks good. I might actually try that with my next case. However, I was referring more to the last pics the OP had posted. I guess I just don't see the point of having a fan in the front of the case and one at the top feeding air to the cpu cooler. Also the one on top on the left in the pic is just blowing the hot air from the cpu cooler back down to the gpu .

On another note if that MSI N570GTX Twin Frozr II the OP has is going in that case its not going to be venting out the back but rather just dumping the heat into the case. So going by last pics OP posted you have 5 fans pulling air in and only 1 taking the hot air out.
I gave a quick version of my airflow...there ALOT involved with my case flow. I'm confused by the part in bold.
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Gizmoto
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