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 Post subject: Alpha performs better in blow mode ?
PostPosted: Tue Jun 17, 2003 10:51 am 
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Joined: Sun Aug 11, 2002 3:26 pm
Posts: 116
Why Alpha recomends to put the fan in 'suck' mode?

I did some test with my alpha 8942 (shroud on, case open, case closed, with and without case fans...) and it performs better in blow mode than in suck mode (3ÂșC better) ... so I dont understand why Alpha say that..

Any ideas? :?:


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PostPosted: Tue Jun 17, 2003 12:08 pm 
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Joined: Mon Mar 03, 2003 11:03 am
Posts: 150
Location: Denmark
In my case it does in fact work better in suck mode. My temperatures drop about 2 degrees celcius when the fan is sucking air away from the heatsink instead of blowing on it.


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PostPosted: Tue Jun 17, 2003 4:42 pm 
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Joined: Sat Jan 18, 2003 2:19 pm
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Location: St Louis (county) Missouri USA
I'm blowing ambient temp air on my Alpha....sucking like Alpha suggests raised my cpu temp about 3c. I think the whole thing depends on your internal case temps, and the airflow in the cpu area.


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PostPosted: Wed Jun 18, 2003 4:50 am 
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Joined: Sat Nov 23, 2002 6:33 am
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Location: Sunny SoCal
It seems like in any thread about Alpha heatsinks "trying the fan both ways" is always mentioned, probably because some people are finding that it works best sucking, others get better results with it blowing. It's designed to suck though. I alway check it both ways and have mostly run the 8045 and 8942 "sucking", FWIW.

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