Re: Reducing case temp
- From: "peter" <peterk@xxxxxxxxxxx>
- Date: Fri, 29 Feb 2008 02:24:05 GMT
I agree with everything except this statement:
, I'd suggest you remove (or just unplug) the
exhaust fan to lower the case temp.
Removing the exhaust fan will definitely increase his Case Temp.
He needs to be sure that the airflow going in is slightly better than the airflow going out.
This will result in Positive Pressure which will keep dust out as well as keep the case cooler.
Pushing 60CFM of air in and removing 50cfm as an example
Other than that I see no real problem with his temp....My Inside case temp is about 12 F above room temp...his is a little higher.putting a Video Card with no fan inside will bring the temp up a little more and as such he would need to look at increasing the movement of air inside his case...fans that push more air are an easy choice.
Looking at the CPU cooler is another alternative...Quite a few aftermarket coolers do a better job than the OEM ones.
peter
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"Dave" <noway@xxxxxxxxx> wrote in message news:fq7kg8$trj$1@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
"Lee MacMillan" <lmacmil@xxxxxxxxxxx> wrote in message news:KrSdnSDHttPup1ranZ2dnUVZ_s6mnZ2d@xxxxxxxxxxxxxxHow much does the video card contribute to case temperature? If I switch
from a Radeon 256MB 9600XT (which has a fan) to a fanless, 128MB Radeon
9250, will my case temp go down a few degrees?
FYI, system is Athlon XP 2700+, tower case, inlet and exhaust fans and case
temp runs about 35C with a 70F ambient. I can drop the case temp 4C-5C by
removing the front cover so I have some airflow issues.
You are thinking in terms of temperature at a specific sensor. The question shouldn't be how to lower the temperature, it should be how to correct the airflow. But then, we don't even know if you have an airflow problem. With the front cover removed, you DO have an airflow problem.
I need to back up a bit. Cases cool by circulating air through specific areas. If you remove a cover, temperature might be cooler at a specific sensor, but you will have less airflow -where needed-, leading to hot spots. Cases can not cool properly with a cover removed, in other words. Leave the covers ON unless you are actively troubleshooting. Even then, figure out what the problem is, fix it, and get the covers back on ASAP.
WHAT, specifically, leads you to think you have a temperature problem to begin with? 35C with 70 ambient sounds about right. A little high possibly, but nothing to worry about, and probably due to where the sensor is located. For example, right behind a hard drive or up top near the PSU will give really high readings.
Oh, and switching to a passively cooled vid card will probably -increase- case temp, depending on where the sensor is located. Again, it's about airflow. Less airflow will result in more heat buildup. That wouldn't be a problem, but if your goal is to reduce case temp. (WHY?!?), then that's the wrong way to do it, by switching the video card.
After re-reading what you wrote, I'd suggest you remove (or just unplug) the exhaust fan to lower the case temp. I know that's counter-intuitive, as it would seem that more fans must be better. But it's best to balance inflow air with exhaust air. Right now you've got an imbalance of more exhaust than intake, assuming your power supply has an exhaust fan(s) that pulls air from inside the case. In other words, the exhaust fan might be sucking hot air out of the PSU and back into the case. Or at best, reducing airflow through the PSU, again causing case temp to rise.
But then again, I don't think you need to lower case temp at all, so you should post why you think you have a heat problem. -Dave
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