shakran

First you have to have a place to slap it on unless you want to dremel out a hole for it, which is a pain in the butt. Second, the more fans you put on there, the more noise you have, which gets annoying after while. And third, random placement of fans can have little to no effect, or can even harm, cooling - it all depends on the airflow of the case.

Possibly, but in most cases, if a case comes with a power supply, the power supply is going to suck. and a bad power supply can kill the other components, requiring a replacement of the machine. That's one lesson you don't wanna learn the hard way