Originally Posted by TekBubs
No one has the answer for this?
Dell do not use the ATX standard, and therefore no, it most likely wont be compatible and wont fit in your case.
PC Power and Cooling are the only brand i know of that make Dell compatible PSUs - and they make very, very good PSUs by the way.
Dell Upgrade Power Supplies from PC Power & Cooling
Oh and by the way, please dont double post, just use the edit button.
EDIT: Ok, just saw a link for that adaptor in the OP, so assuming it works then you can use any ATX power supply if you use that adaptor with it.