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Intake fan necessary?

C

CDC Mail Guy

Golden Member
Do I REALLY need a fan blowing fresh air into my case? The reason I ask is that I live in a very dusty area, and have to clean my case out monthly. I now have 1 120mm fan blowing across the hard drives, but what if I reversed it to blow out? Would my temps get to high in the case?
 
Filter your intake fan and create a positive pressure environment in your case (more CFM in than CFM out - don't forget to figure in your PSU though it won't be much). You'll also need to block off all extraneous venting or you'll have to use too much intake fan. You pay for your clean case with a couple of degree rise in temps and having to keep the filter(s) clean...

I rediscovered the advantage of using even a weak fan to blow some air across the HDDs. I had just moved my drives back into a different cage and forgot to hook up its fan. My hottest drive, an old IBM 10k SCSI) got up to 47 deg. C before I noticed. I quickly plugged the fan up and the temp eventually settled in around 30-32 deg C. I'm thinking that has already helped longevity quite a bit as that drive is really long in the tooth - it had been used for some time before I got it.

.bh.
 
I doubt that Google runs their drives until they die like I do. They replace their drives on a schedule that they set based on their own experience. I doubt that any of their drives have six or seven years on them like my IBM. So their findings really only apply to those who DO change out their drives on a set scedule. But then, probably only SCSI drives have the legs to be competitive over several generations of drives on the IDE/ATA side. Only recently did the performance of the inexpensive IDE drives (PATA or SATA) surpass that of my old 10k IBM. So it will be replaced soon, but I certainly won't be able to depend on its replacement for another 6 or 7 years...

.bh.
 
I'll just sacrifice a tad more noise and filter the 1 intake fan in the front, especially since I have 2 10k RPM drives kinda right on top of each other. Thanks guys. (Or gals, just to be on the safe side 😀)
 
with the p180 i noticed no difference in temps for my cpu with a yate loon intake in the middle hard drive bay. the middle hard drive is so cool already i didnt need the extra degree benefit.
 
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