I'm just cuirous...exactly why won't it fit? Is there not an open port above the PCI-Express slot, or some other reason? I didn't know if there was some way to slightly modify the card(like remove the duel slot cover) and make it work... Of course, if there's no way to get air, the card would overheat

But I did think the newer dells(at least the GX620s) had a basically open back end...