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How to decide on a case for air cooling (warning - pics) - Page 168

post #1671 of 2110
Hello, people! I wld like to say that this top inlet is really great idea! Did you have any experience with the new CM Cosmos 2 ? I have recently bought it and thinking how to arrange the air flow (no water, please smile.gif)
Please, have a look at my humble layout of airflow.
Can i have any hope that it will work like this ?
Thank you for your answers!
post #1672 of 2110
Thread Starter 

140mm rear fan is a nice feature. I'd recommend removing the rear grill, however. Then your case will do fine with no rear fan. Most importantly, you can keep all of your case fans down under 1000 rpm, so that the entire beast will be quiet.

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post #1673 of 2110
thank you the answer!
yes, no grill = it was written on the layout smile.gif) i cut it already

question = what do you think will be the better place for the TOP fans - below the ceiling (inside the case) OR on the "roof" (outside the internal space fo the case) ??

what you think to leave this case completely with passive cooling ? i mean that i have Z600 hyper CM and it can cover 89 watt TDP only in passive (i have lga 1155 with z77 + core7 3770k = 77 watt)
post #1674 of 2110
Thread Starter 
Quote:
Originally Posted by RIBAKULA View Post

thank you the answer!
yes, no grill = it was written on the layout smile.gif) i cut it already

question = what do you think will be the better place for the TOP fans - below the ceiling (inside the case) OR on the "roof" (outside the internal space fo the case) ??

what you think to leave this case completely with passive cooling ? i mean that i have Z600 hyper CM and it can cover 89 watt TDP only in passive (i have lga 1155 with z77 + core7 3770k = 77 watt)


1. Congratulations

2. Try both, and compare net temps (cpu minus ambient)

3. Passive vs active: again, try both, see what you like.

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post #1675 of 2110
Quote:
Originally Posted by ehume View Post


1. Congratulations
2. Try both, and compare net temps (cpu minus ambient)
3. Passive vs active: again, try both, see what you like.

+1. You'll always discover the best setup for your personal system by trying everything. I went through about 3-4 different configurations before arriving at what was best for me. thumb.gif
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post #1676 of 2110
will follow
post #1677 of 2110
Quote:
Originally Posted by ehume View Post

140mm rear fan is a nice feature. I'd recommend removing the rear grill, however. Then your case will do fine with no rear fan. Most importantly, you can keep all of your case fans down under 1000 rpm, so that the entire beast will be quiet.


"I'd recommend removing the rear grill"
Is this just done for the reduction in noise?
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post #1678 of 2110
Quote:
Originally Posted by ipv89 View Post

"I'd recommend removing the rear grill"
Is this just done for the reduction in noise?

no grill = no resistance = better airflow
post #1679 of 2110
yep but does it lower the noise level.
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post #1680 of 2110
Quote:
Originally Posted by ipv89 View Post

yep but does it lower the noise level.

no grill = no resistance = better airflow = no need for exhaust fan = less noise

no grill = no resistance = better airflow = less restriction of airflow = quieter fan (intake or exhaust) + intake filter = slight airflow resistance = slightly more noise.

Things like HDD cage too close to fan will increase fan noise too.

The less obstacles the air has to navigate the better the airflow and the quieter it will be.
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