Most like that would be the options seen in the softwares between the two cards. But that simply takes a trip to Creative to look over the features and specifications seen for each model. The Xtreme Platinum Fatality offers the 5 1/4" drive bay I/O connectivity panel for one.
http://www.creative.com/products/pro...nav=0&bypass=1
That's one item that would be an optional purchase for the Xtreme Fatality Pro model seen at
http://www.creative.com/products/pro...15854&bypass=1