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post #16791 of 19729
Quote:
Originally Posted by ilikebeer View Post

Anyone tried having two top mounted fans as INTAKE to feed the cpu cooler with cool air? Read this can create positive pressure in the case and improve temps slightly too. Yes heat rises but it will go where it is pushed. My case might end up with no exhaust fans at will be interesting to see the temps.

I've read some things on the net, where people have tried different configurations , But the most effective is still to exhaust the air through the top, The only time I've read what you're saying working is when the case is almost 100% mesh, so the air vents everywhere. But it's always good to try new things and NOT just do what people say, you should post your results when you're finished and show us how it does.

It's my understanding that exhaust is absolutely important and blowing air into the case only cools so much, all that extra air gets warm by the hardware and has no place to go, heating the case up more. People with a good intake and exhaust usually report cooler temperatures.
Edited by Bravo2010 - 2/26/12 at 5:52am
 
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post #16792 of 19729
Quote:
Originally Posted by ilikebeer View Post

Anyone tried having two top mounted fans as INTAKE to feed the cpu cooler with cool air? Read this can create positive pressure in the case and improve temps slightly too. Yes heat rises but it will go where it is pushed. My case might end up with no exhaust fans at will be interesting to see the temps.

Yes. but you don't want to use both top spots as intake. First you want to remove the rear most exhaust fan. Then on the top panel, block off the rear most vent, and use the front as an intake. this will add cool air in before the cooler. having air blow straight down after the cooler will mess up the flow and ability of the case to vent air properly. When you remove the rear exhaust fan you have moved to pure positive pressure. Temps are cooler "most" of the time. The main reason for doing positive pressure/pure positive pressure is that you can control dust's ability to enter the case. exhaust fans tend to suck air in from odd place's(like side panels and stuff) because the case is not air tight. This turns the case into a baggless vaccume cleaner.

This is how I set my case up. AMAZING temps and almost no dust is in my system.


EDIT: also if your using the stock metal side panel with two fan spots on it you also want to block off the top most fan slot(the bottom on if your not using it. and use vented PCI slot covers.
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post #16793 of 19729
Quote:
Originally Posted by KhaoticKomputing View Post

Quote:
Originally Posted by ilikebeer View Post

Anyone tried having two top mounted fans as INTAKE to feed the cpu cooler with cool air? Read this can create positive pressure in the case and improve temps slightly too. Yes heat rises but it will go where it is pushed. My case might end up with no exhaust fans at will be interesting to see the temps.

Yes. but you don't want to use both top spots as intake. First you want to remove the rear most exhaust fan. Then on the top panel, block off the rear most vent, and use the front as an intake. this will add cool air in before the cooler. having air blow straight down after the cooler will mess up the flow and ability of the case to vent air properly. When you remove the rear exhaust fan you have moved to pure positive pressure. Temps are cooler "most" of the time. The main reason for doing positive pressure/pure positive pressure is that you can control dust's ability to enter the case. exhaust fans tend to suck air in from odd place's(like side panels and stuff) because the case is not air tight. This turns the case into a baggless vaccume cleaner.

This is how I set my case up. AMAZING temps and almost no dust is in my system.


EDIT: also if your using the stock metal side panel with two fan spots on it you also want to block off the top most fan slot(the bottom on if your not using it. and use vented PCI slot covers.


ilikebeer: As you see there's many ways to configure your fans in this case....what a problem hmmmm!!!!tongue.gif biggrin.gif  Everyones experiences doing so will/could vary.

 

But KhaoticKomputing has gone through it and knows what he speaks of with this case.  I oughta know, I've read the majority of his posts pertaining to his 690 II case.thumb.gif  He's one of the 690 II case spokespeople and I sometimes wonder if Cooler Master pays him a tribute. tongue.gif wink.gif

 

I've also had my fun trying different fan configs.

 

 

post #16794 of 19729
Quote:
Originally Posted by nickt1862 View Post



ilikebeer: As you see there's many ways to configure your fans in this case....what a problem hmmmm!!!!tongue.gifbiggrin.gif   Everyones experiences doing so will/could vary.

But KhaoticKomputing has gone through it and knows what he speaks of with this case.  I oughta know, I've read the majority of his posts pertaining to his 690 II case.thumb.gif   He's one of the 690 II case spokespeople and I sometimes wonder if Cooler Master pays him a tribute. tongue.gifwink.gif

I've also had my fun trying different fan configs.


I wish they payed me! I have to pass the pat on the back to Ehume though. His post's and threads are what stared me to look at the cooling of this case in such a way:) There are also other ways to set it up, If you feel creative you should try it and add the data here thumb.gif
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post #16795 of 19729
Quote:
Originally Posted by KhaoticKomputing View Post

Quote:
Originally Posted by nickt1862 View Post



ilikebeer: As you see there's many ways to configure your fans in this case....what a problem hmmmm!!!!:p:D   Everyones experiences doing so will/could vary.

But KhaoticKomputing has gone through it and knows what he speaks of with this case.  I oughta know, I've read the majority of his posts pertaining to his 690 II case.:thumb:   He's one of the 690 II case spokespeople and I sometimes wonder if Cooler Master pays him a tribute. :p;)

I've also had my fun trying different fan configs.
 

I wish they payed me! I have to pass the pat on the back to Ehume though. His post's and threads are what stared me to look at the cooling of this case in such a way:) There are also other ways to set it up, If you feel creative you should try it and add the data here :thumb:


Oh yes ehume my fellow NJ-ian (see we NJ-ians are top notch innovators lol! tonguesmiley.gif) and has had plenty of great information contributions all throughout this forum. yessir.gif thumb.gif

 

And don't tell me about not getting paid - we know you're raking it in! tongue.gif

 

The best of us still stand to learn from others, even from innovative beginners - it really never stops and I guess that's really the fun of it. smil3dbd4e4c2e742.gif

 

The only thing I wish was for the 690 II to have come with a native two front fans configuration, not two different places for one fan.  And I don't mean using the 5.25 bays either.  The HAF 912 case has such configuration and so the 690 II could've has that as well if they used a bit more brain power initially with dual modular hard drive trays to boot. smile.gif

 

 

 

post #16796 of 19729
Quote:
Originally Posted by nickt1862 View Post



Oh yes ehume my fellow NJ-ian (see we NJ-ians are top notch innovators lol! tonguesmiley.gif ) and has had plenty of great information contributions all throughout this forum. yessir.gifthumb.gif

And don't tell me about not getting paid - we know you're raking it in! tongue.gif


The best of us still stand to learn from others, even from innovative beginners - it really never stops and I guess that's really the fun of it. smil3dbd4e4c2e742.gif

The only thing I wish was for the 690 II to have come with a native two front fans configuration, not two different places for one fan.  And I don't mean using the 5.25 bays either.  The HAF 912 case has such configuration and so the 690 II could've has that as well if they used a bit more brain power initially with dual modular hard drive trays to boot. smile.gif



My thing with this case is because I feel its an amazing value for the money. I mean come on they are $79.99 all day long and I have seen them for ceaper on sale and stuff. For the money spent you would be hard pressed to find a case of this caliber. I want to get the USB3.0 top panel and the gromets for it. That just make's it amazing:)
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post #16797 of 19729
Quote:
Originally Posted by KhaoticKomputing View Post

Quote:
Originally Posted by nickt1862 View Post



Oh yes ehume my fellow NJ-ian (see we NJ-ians are top notch innovators lol! :tonguesmi ) and has had plenty of great information contributions all throughout this forum. :yessir::thumb:

And don't tell me about not getting paid - we know you're raking it in! tongue.gif


The best of us still stand to learn from others, even from innovative beginners - it really never stops and I guess that's really the fun of it. :drink:

The only thing I wish was for the 690 II to have come with a native two front fans configuration, not two different places for one fan.  And I don't mean using the 5.25 bays either.  The HAF 912 case has such configuration and so the 690 II could've has that as well if they used a bit more brain power initially with dual modular hard drive trays to boot. :)

 

My thing with this case is because I feel its an amazing value for the money. I mean come on they are $79.99 all day long and I have seen them for ceaper on sale and stuff. For the money spent you would be hard pressed to find a case of this caliber. I want to get the USB3.0 top panel and the gromets for it. That just make's it amazing:)


True for the value but the argument is that the HAF 912 is cheaper and has that front dual front fan config option. 

 

I'm debating wether or not to spring for that top panel and if the CM Store comes up with the mobo grommets I don't think they'll fit some or even all of the mobo holes as if you look closely at the revised mobo tray the PSU and side holes are a bit different as well as the side holes are now pretty much the same size unlike what we have with the top mobo side hole larger than the two below that.  I could be mistaken but that's what my eyes seem to see.

 

 

post #16798 of 19729
Quote:
Originally Posted by nickt1862 View Post



True for the value but the argument is that the HAF 912 is cheaper and has that front dual front fan config option. 

I'm debating wether or not to spring for that top panel and if the CM Store comes up with the mobo grommets I don't think they'll fit some or even all of the mobo holes as if you look closely at the revised mobo tray the PSU and side holes are a bit different as well as the side holes are now pretty much the same size unlike what we have with the top mobo side hole larger than the two below that.  I could be mistaken but that's what my eyes seem to see.


Its very possible they revised the mobo tray. I hadn't even thought or looked at it though. Very good points. +1.

As to the HAF 912 vs 690 II advanced: I have worked with both case's first hand. I'll take the CM 690II, but that's all personal opinion. the Hot swap bay is amazing. I also think the CM 690 II is a little more water cooling friendly. Lastly the HAF case's are a tad on the "gamer" side for me. 690II is "almost" to much lol. Buy its all opinion on that stuff. 912 is a good one.
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post #16799 of 19729
Quote:
Originally Posted by KhaoticKomputing View Post

Quote:
Originally Posted by nickt1862 View Post



True for the value but the argument is that the HAF 912 is cheaper and has that front dual front fan config option. 

I'm debating wether or not to spring for that top panel and if the CM Store comes up with the mobo grommets I don't think they'll fit some or even all of the mobo holes as if you look closely at the revised mobo tray the PSU and side holes are a bit different as well as the side holes are now pretty much the same size unlike what we have with the top mobo side hole larger than the two below that.  I could be mistaken but that's what my eyes seem to see.
 

Its very possible they revised the mobo tray. I hadn't even thought or looked at it though. Very good points. +1.

As to the HAF 912 vs 690 II advanced: I have worked with both case's first hand. I'll take the CM 690II, but that's all personal opinion. the Hot swap bay is amazing. I also think the CM 690 II is a little more water cooling friendly. Lastly the HAF case's are a tad on the "gamer" side for me. 690II is "almost" to much lol. Buy its all opinion on that stuff. 912 is a good one.


 

LOL! I just gave my Mom my now former HAF 912 rig for her birthday a couple of weeks back but might change out that case hence I might get an empty HAF 912 back.

 

Here's photos of the two different 690 II chassis revisions and you can see the side hole size being different and even the spacing of them.  First is the USB 2.0 version, then USB 3.0 revision you can also see the newly enlarged CPU cooler access cutout.

 

690 II USB 2.0 inside chassis

 

690 II USB 3.0 inner chassis

 

post #16800 of 19729
Hmm, They are different. They need to release them so we can measure them lol.
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