Quote Originally Posted by mbm
But are the also BTX mobo´s?

Cant see how only a case can make problems. It must be a mobo prob.
The card bends a little under the weight of the cooler and in ATX case + DFI Expert mobo the fan will interfere with the lower pci-e slot. In BTX case where everything is upside down it doesnt.

I think with "normal" DFI NF4 mobo you dont have the problem. But you can always get something to hold the card straight.