Bottom placed Psu

[HOLY MAnIAC]

Some clarification please.

Apparently the bottom placed Psu are more efficient in heat (control\dispersion).

Though I'm confused as to why, as heat rises wouldn't having your Psu at the bottom of the chassis cause your other components temps to rise?

Or is it more effective as the Psu can be more efficiently cooled from the bottom thereby reducing the ambient temperature?

 

[Pada]

The PSU's are more efficient at low temperatures.

If you install the PSU at the top, then it is subject to the ambient temperatures of the case, which is pretty much always higher than the room temperature, due to the CPU, HDD's & graphics card generating heat.

I think the decent PSU's suck in air from the bottom and then blow it out at the back, so it shouldn't affect your case's ambient temperature.

So ja, placing the PSU at the bottom is better.

 

[cerebus]

Place it at the bottom with the fan downfacing if you have mesh to disperse the heat....that's the most optimal setup. Some cases even separate the compartments so that the PSU heat isn't affecting the rest of the case at all.

 

[PostmanPot]

On a decent PSU, when bottom mounted, the side that faces the inside of the case will be sealed. Thus the air comes in the bottom via the fan and out the side (with power cord and switch) out the case. Hope that makes sense.

 

[bubbatentoe]

CPU & graphics at the top/middle + a PSU at the bottom
or
CPU & graphics at the bottom/middle + a PSU at the top.

I go with option B.
CPU & graphics cost more than a PSU.
Hence the current positions.

Maybe if you have a R4000 PSU put it at the bottom.

 

[Lounger]

It would also make the case top heavy.

 

[Pada]

@Bubbatentoe:
Positioning the components depending on their cost price is just silly!
If you've read what PP & I said, then there is absolutely no reason why you should even bother with a top placed PSU, unless you can't afford any thing else than a very cheap case.

Also: my PSU costs more than what my CPU/graphics card is worth.