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Which way to face

The Great Kamek
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Can anyone quickly clarify which direction of the case fan be facing? In and out air blowing

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Fans almost always blow TOWARD the frame. So if you look at the fan, one side you can just see the fan blades. The other side you see the "frame" of the fan (parts that don't spin). So the fan almost always blows air toward the parts of the fan that don't spin. Also every single fan has arrows on one of the sides indicating which way it blows air. 

 

As for which way to put them in your case, that's personal preference, but generally it goes as follows.

 

Front fans: Blow In

Bottom fans: Blow In

Back fans: Blow Out

Top Fans: Blow Out

CPU Fans: Blow toward the back.

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Just now, corrado33 said:

Fans almost always blow TOWARD the frame. So if you look at the fan, one side you can just see the fan blades. The other side you see the "frame" of the fan (parts that don't spin). So the fan almost always blows air toward the parts of the fan that don't spin.

 

As for which way to put them in your case, that's personal preference, but generally it goes as follows.

 

Front fans: Blow In

Bottom fans: Blow In

Back fans: Blow Out

Top Fans: Blow Out

CPU Fans: Blow toward the back.

And I can use the fan sticker for reference?

  • CPU
    AMD Ryzen 5 1600
  • Motherboard
    MSI B350 PC Mate
  • RAM
    Team T-Force Vulcan 16GB (2x8)
  • GPU
    ASUS Geforce GTX 1060 6GB
  • Case
    Phanteks Eclipse P400
  • Storage
    WD 1TB 7200RPM, WD Blue 500GB SSD
  • PSU
    CORSAIR CX Series CX650 650W
  • Display(s)
    Dell SE2717HR 27" 75HZ
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    AMD Wrath Spire
  • Keyboard
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Just now, masked_guy said:

And I can use the fan sticker for reference?

Yes, that's the side for exhaust but sometimes there are stickers on both sides.

open-grille.png

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Just now, masked_guy said:

And I can use the fan sticker for reference?

Which sticker? The one on the front that has the brand name or the one on the back that says things like "12V 0.15A" etc?

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That's a fairly subjective question, but there are some general guidelines followed based on the location of the case fan. If it's in the front of the case, most will advise to have it draw air into the case. If it's located near the top and/or back of the case, convention is to have air exhausted from the case. 

You can check out a Fast as Possible from LTT 

There's also this video from NCIX

 

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Just now, corrado33 said:

Which sticker? The one on the front that has the brand name or the one on the back that says things like "12V 0.15A" etc?

brand name

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  • Motherboard
    MSI B350 PC Mate
  • RAM
    Team T-Force Vulcan 16GB (2x8)
  • GPU
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  • Case
    Phanteks Eclipse P400
  • Storage
    WD 1TB 7200RPM, WD Blue 500GB SSD
  • PSU
    CORSAIR CX Series CX650 650W
  • Display(s)
    Dell SE2717HR 27" 75HZ
  • Cooling
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1 minute ago, masked_guy said:

And I can use the fan sticker for reference?

Back and top sticker should be facing inside. Bottom (if your case has it) and front sticker should be facing outwards

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1 minute ago, masked_guy said:

brand name

Technically the brand name should be on both stickers. Just look at the graphic above. It has a good description. But yes, if you have all the same fans then you can use the stickers as a reference. 

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All case fans have two arrow indicators etch on the edge of the frame, showing fan rotation and direction of air flow. Look at it carefully and you'll see them.

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6 minutes ago, NumLock21 said:

All case fans have two arrow indicators etch on the edge of the frame, showing fan rotation and direction of air flow. Look at it carefully and you'll see them.

Didn't Linus said a long ago that some fans don't

  • CPU
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  • Motherboard
    MSI B350 PC Mate
  • RAM
    Team T-Force Vulcan 16GB (2x8)
  • GPU
    ASUS Geforce GTX 1060 6GB
  • Case
    Phanteks Eclipse P400
  • Storage
    WD 1TB 7200RPM, WD Blue 500GB SSD
  • PSU
    CORSAIR CX Series CX650 650W
  • Display(s)
    Dell SE2717HR 27" 75HZ
  • Cooling
    AMD Wrath Spire
  • Keyboard
    Rosewill Neon k85
  • Mouse
    Rosewill Neon m59
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Just now, masked_guy said:

Didn't Linus said a long ago that some fans don't

That's a long time ago. Most of them do now, unless it's really cheap, but even those have it too. Just look at yours and if it has, it will make your life a lot easier. Another way is to take a small strip of toilet paper or napkin and hold in front of the fan, this will also tell you which way the air is blowing.

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HP Envy X360 15: Intel Core i5 8250U @ 1.6GHz 4C:8T / 8GB DDR4 / Intel UHD620 + Nvidia GeForce MX150 4GB / Intel 120GB SSD / Win10 Pro x64

 

HP Envy x360 BP series Intel 8th gen

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