Mount PSU Upside Down? Chieftec Matrix case + Fortron PSU

[WhipperSnapper]

I have a Chieftec Matrix case (one of the late 2004 Tiger Direct $33 shipped specials) and a Sparkle/Fortron 550-PLG-SLI power supply.

It's all ducky, but it seems like I'm supposed to mount it upside down! It's not like the PSU has a big arrow on it saying "this side up", but it seems like the way I would end up mounting it is upside down. The case's bracket seems to be set up so that the screw hole that's towards the center of the PSU and on the bottom ends up being on the top. Note that if I mount it "upside down" the power cords leave the power supply lower, so perhaps "upside down" is really right side up.

Are there any negative ramifications to mounting it upside down? It is composed of solid state components except for the fan.

...and yes...I am a complete computer building noobie. Maybe I don't know the top of a PSU from the bottom.

 

[GalvanizedYankee]

IIRC, that PSU has one 80mm exhaust fan at the rear.

If that is the case it makes no differance at all. But, if a PSU has a 120mm intake on it's bottom this fan must be installed with the fan facing down. Some PSUs have two fans(TT),
this PSU only goes in one way=intake down.


...Galvanized

 

[imported_Kiwi]

The components inside of a power supply, any kind I am familiar with, including those for a PC, have no "top" or "bottom", so you mount that one whatever way is convenient, if it does indeed have no second fan on one of the two largest sides. When it does have one, that fan faces foward the interrior of the case, not toward any end panel. If it should happen to be mounted near the bottom of the case, that type would have its intake fan facing upward.

A few twin-fan PSU's have two 80's, one at either end, in which case there is no right side up either.