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Power Supply fan facing up or down - Page 4

post #31 of 39
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Sigh. Its always the noobie that becomes the scapegoat. This isn't the first time we had a disagreement about something, but its frustrating when the other employees look down at you as if you don't know anything. One time he deemed a motherboard was "fried". I told him that I'll test it just to double check. He said no. Ordered a new mobo, he ordered the wrong size (mATX vs ATX) and then when he left the shop I tested the old mobo. Bam, worked just like new. lol
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post #32 of 39
Quote:
Originally Posted by Eric Barney;14287222 
I am a member of the UP FACING crowd. My PSU fan won't even turn on unless I am playing a game, it's dusty here, and my computer lives in a desk where air is mainly drawn in from the front of the case. There is a large, easy to clean air filter in the front. Corsair seems to agree with both up, or down. The PSU I.D. stickers are positioned so they are up no matter which way you mount the PSU.
That's so that the label is still right-side up when installed in a case where the PSU is mounted at the top.
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post #33 of 39
In general it's safer to install them all with the intake fan facing inside the case though, since you know that inevitably a computer or two is going to be placed on some thick carpet.

You don't worry about what's best in general, but what's going to create a legitimate problem for a few users that don't know better. It's a matter of policy.
post #34 of 39
Most people on here will know not to put their bottom mounted, PSU fan down-facing CPU on carpet.

As for the general public, why not just ask the customer?
post #35 of 39
I thought PSU fans were exhaust..
post #36 of 39
Quote:
Originally Posted by kiwiasian;14288751 
I thought PSU fans were exhaust..
It depends where the fan is located.

This PSU's fan is exhaust:

TPQ1200OC_q__81462_zoom.jpg

Where as this PSU's fan is intake:

HCP750.jpg
post #37 of 39
Quote:
Originally Posted by KrisBKreeme;14286431 
If I have a case with power supply on the bottom and a vent on the bottom of the case as well, does it matter which way the fan is facing? I've done it facing down always and never had a problem. However my manager says it should be facing up

basic thermal dynamics: sucking hotter air from within the case through the PSU will keep it hotter than turning the fan upside down and sucking cold air in through the bottom.
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post #38 of 39
Quote:
Originally Posted by GamerKingFaiz;14288651 
Most people on here will know not to put their bottom mounted, PSU fan down-facing CPU on carpet.

As for the general public, why not just ask the customer?
Ask them what?
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It's a computer!
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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #39 of 39
it should not realy mather, as some said if you but it fan down it will pull cool air from outside the case, but again if you have a case with good airflow it shouldnt mather. If you put it fan up you should cover the fan intake in case you drop a screw or something(or if you are watercooling spill liquid into it). personaly I have always put it fan facing down, but I think the fan facing up looks neater.
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