[Cyberlore]

Yeah, P4 connector connected. Right now i've got my old ps sitting on a garbage can next to the case...looks pretty classy, i should take pictures. So I'm well aware how to plug it in...

And yes, you are correct, it is a replacement. To me, replacement seems to imply that the old one is broken or cant be used, whereas upgrade is to make it better than the current (and still usable) state. The english language just has too many different words