Which way should CPU fan face?
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Thread: Which way should CPU fan face?

  1. #1
    Join Date
    May 2001
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    Bay Area, CA
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    Which way should CPU fan face?

    My thermaltake directs air towards the heatsink. Would it help cooling if I turned the fan around so it pulled air away? I might even duck it to my exhaust fan with black electrical tape. Gimme some input guys!

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  2. #2
    Join Date
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    Try it. I dont think you will do any better then with the air going at the hs. Actually I think it should perform alot worse. So try this, Underclock your chip, and see what temps it hits the way the fan is setup now. Then turn off you comp and reverse the fan. Wait a few hours to make sure everything is as cool as it is going to get then turn it back on and see how the temps compare. Just an idea. Good luck and let us know the results!

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  3. #3
    Join Date
    Oct 1999
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    Some Heatsinks are designed to have the fan(s) suck instead of blow, (most of the Alpha's for example) but sometimes because of system/case layout, sucking will work better on sinks designed for blowing.

    You just have to try it .

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  4. #4
    Join Date
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    Mine work better when they blow. But it depends on the heatsink and fan you're using. As stated above, try it both ways and measure the results. That's what I do.

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  5. #5
    Join Date
    May 2001
    Location
    Bay Area, CA
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    203
    I'll do that when I have time I have to reapply the thermalpaste between the CPU and the H/S again because the first time I did it I was in a rush. I can't find my little packet of thermal paste! AHH!! Anybody want to send me their extra?

    No time for anything these days! I'm searching around the house to find parts to build up a 233MMX system

    ------------------
    Iwill KK266
    TBird 850@1008 (6.5x155)
    Crucial PC133 256MB cas2
    Tt VolcanoII
    ATi Radeon LE@190
    Maxtor DiamondMax+ 40GB 7200/ATA100
    HP 9550i 12x8x32 CD-RW
    BTC 16x CDROM
    Actiontec 56k PCI Lite
    D-Link PCI 2xUSB Port
    Envision EN780 17"
    Labtec LCS-2418 Flatpanels
    MS Intellimouse Trackball
    KK266, Tbird850 @ 995(153x6.5), Maxtor 40gb 7200/U100, Crucial 256MB cas2 PC133, Tt V-II, ATi Radeon LE @ 191, USR Winmodem

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