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I don't want to put my psu upside in the my new Antec 300 case ?

post #1 of 12
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My psu is the CMPSU-650TX 650W and case is the Antec 300 where you mount the PSU at the bottom of the case. I would rather not mount the psu upside due because something could fall into the psu it self and also the cords will be coiming out of the pus reall close to the door which I'm not crazy about.

Theres a 1/2 to 3/4 of space between the case floor and the psu fan would it not be enough space for the fan to suck the air from ?
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post #2 of 12
The PSU exhaust fan should face the exterior of the case to vent the hot air, so nothing will fall into the PSU hardware as the exposed side (in the case) will be covered by the PSU shell.
 
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post #3 of 12
I'm looking at my 300 right now and that seems to be quite a small gap for the psu to draw air from. You could just buy a fan filter to place on the top so that nothing can fall in.
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post #4 of 12
Quote:
Originally Posted by Gunderman456;13467430 
The PSU exhaust fan should face the exterior of the case to vent the hot air, so nothing will fall into the PSU hardware as the exposed side (in the case) will be covered by the PSU shell.

The problem with that is that the Antec Three Hundred does not have a vent to the outside underneath where the PSU is mounted, so mounting the PSU right side up would cause its fan intake to be mostly obstructed, so it should be mounted upside down, i.e. fan facing up.

That being said I really have no idea what might fall into the PSU from the computer, or how that would happen in the first place... unless you're planning on having a hamster cage hanging over the PSU and feeding it dry crumbly bread.
post #5 of 12
I was faced with the same issue when building my system. I mounted my psu with the fan facing up so it could get adequate circulation.

As to your concern about things falling into the psu: How often do screws randomly just rattle around in your case? unless you are dragging your rig all around town and just throwin it around, even then things shouldnt come unscrewed...

The only time you really need to be careful is when installing and removing hardware. I always make sure to set my rig on its side so nothing will fall straight into the psu.
 
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post #6 of 12
Quote:
Originally Posted by Shub;13467639 

That being said I really have no idea what might fall into the PSU from the computer, or how that would happen in the first place... unless you're planning on having a hamster cage hanging over the PSU and feeding it dry crumbly bread.

LOL my thought exactly
 
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post #7 of 12
mount it with the fan down, there is enough space.....had a 1000 watt cooler master psu running tri-sli 8800 ultras in that case......no problems smile.gif
    
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post #8 of 12
Yeah I would just filp the PSU over and have the fan up. Thats what you do with most cases anyways. Noting will fall into it unless you drop a screw or something.
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post #9 of 12
Quote:
Originally Posted by Subzero11;13467391 
My psu is the CMPSU-650TX 650W and case is the Antec 300 where you mount the PSU at the bottom of the case. I would rather not mount the psu upside due because something could fall into the psu it self and also the cords will be coiming out of the pus reall close to the door which I'm not crazy about.

Theres a 1/2 to 3/4 of space between the case floor and the psu fan would it not be enough space for the fan to suck the air from ?

I've had my ST-400 PSU mounted upside down in my Antec 300 case. I've actually toyed with the idea of using a dremel tool to make a hole on the PSU spot of my Antec 300, since I feel that you don't get enough air flow to the PSU if you mount it as it is.
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post #10 of 12
I've had my 720W PSU mounted fan-side down in my Antec 300 for as long as I've had it built. There was actually a time where I took it to a place to test, and I got annoyed because the idiots mounted it fan-side up... tongue.gif

Anyways, mine's been running fan-side down all this time, and it's been running fine. Granted, my AC makes for low ambients, but I've also run it for a good while at warmer temps, so in my experience, it's alright.
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