Installing case fans

By flapc ยท 4 replies
Mar 11, 2005
  1. I'm building a new PC. The case will have two fans installed. My question is multi-point. Should one fan suck air in and the other blow out? How can you tell by looking at the fan which way it turns when powered up?
    I am installing a 680w power supply with two built in fans, just fyi.
    Any help anyone can provide will be greatly appreciated. I do not want to do this thing more than once.
  2. isatippy

    isatippy TS Rookie Posts: 497

    Ya you should have one going out and one cameing in, as far as telling which dir the fans blow plug them in and find out. :bounce:
  3. olefarte

    olefarte TechSpot Ambassador Posts: 1,345   +13

    Ideally, you should have one on the lower front of your case blowing cool air in, one in the back under your power supply blowing hot air out. Your power supply will help circulate air through your case, and you can also get a PCI slot fan to add to your circulation if you need it. As isatippy said, just hook up your fan, and see which way it's blowing, then install it in the proper direction.
  4. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    Some fans actually have arrows on them showing the direction of the fan and air flow.
  5. isatippy

    isatippy TS Rookie Posts: 497

    If you look at the fan blads you can tell too. :bounce:
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