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 Air Ventilation, need opinion

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TStanuki
post Dec 23 2007, 08:13 PM, updated 18y ago

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currently using raidmax sirius seris casing, found out that my mobo temp still go up still 50.....

so i decided to add 1 fan that has a high air flow.....but the question is, shud i put the fan sucking fresh air into the casing or blowing out air from the casing? and put where? i found out only my southbridge is heating up....northbridge has no problem.....and my graphics card temp can go till 60++ >_<

sucking air inside will lead to lots of dust inside rite?

opinions? hmm.gif
lucifah
post Dec 23 2007, 08:25 PM

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depends on the fan placement

general rule of thumb:

side panel - out or in (depends on preference)
top - out
front - in
rear - out
TStanuki
post Dec 23 2007, 08:29 PM

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my front got 1 80 x 80 but i dun think there is air coming in there, coz raidmax design got "door" front panel that blocks the ventilation air in, so, all out is, no in, can ah?

and i need to cool my southbridge + my vga card

This post has been edited by tanuki: Dec 23 2007, 08:30 PM
omara86
post Dec 23 2007, 09:01 PM

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extra exhaust fan is more efficient than extra intake fan...

i've read about it before, it's negative pressure or sumthing like that~ dont really remember which thread... in ianho's thread...

so better add up more exhaust

This post has been edited by omara86: Dec 23 2007, 09:04 PM
omara86
post Dec 23 2007, 09:04 PM

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i've found the ori quote

QUOTE(E-J@1 @ Dec 12 2007, 08:19 PM)
yup, negative pressure is the best

but for me i don't want the cfm differences between the intake & exhaust fan differs a lot

for my casing:


  • i will try to equal the cfm with the intake & exhaust fan

  • if the case got two (2) or four (4) fan slot --> will make equal

  • we will always get negative pressure --> remember one more fan, the psu fan

  • so not much difference in cfm, intake & exhaust fan already equal (in quantity i presume)

  • want that negative pressure --> got one more exhaust fan, psu fan that is wink.gif

  • plus the psu fan ain't that fast (or push high cfm), so not that big difference in cfm anyway

  • thus less dust will accumulate in time compared to other ppl's casing with hella big difference in intake & exhaust cfm whistling.gif


» Click to show Spoiler - click again to hide... «


yup, agree with u on this

hot air (from the psu) will be suck by the heatsink's fan to cool off the heatsink rclxub.gif

btw, which is more hotter?

  1. Hot air from the PSU (like this project), or
  2. Hot air from the HDD Bay (like all chassis) --> the air that suck into the case which bypass the HDD bay

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TStanuki
post Dec 23 2007, 09:16 PM

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wooo...thx yo~
omara86
post Dec 23 2007, 09:19 PM

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thx to ppl who contribute in the ianho thread discussion... i'm juz a messenger... u may say phrophet.. ha ha ha~ kidding..
overclockalbert
post Dec 23 2007, 11:57 PM

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most important the air ventilation, make the air flow, then all the heat will go .

remember what Bruce Lee said :

u put water into a cup, it becomes the cup.
smile.gif smile.gif

u force the air go in, the same amount of air will go out, togather with the heat as well....

reez07
post Dec 25 2007, 07:45 PM

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raidmax casing is a nice casing...
but its bad on air ventilation...
so u better think how to improve the air ventilation lorrr....

 

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