The Housing screws of the DM 800 are for tin metal sheet with a rough thread.
The Housing screws of the Clone 800 are with a fine thread.
The screws at the back of the DM 800 differ from those of a clone 800. The screws for the eSATA connector are silver all other screws are black.
The screws at the back of the Clone 800 are silver up to the two housing screws.
Surface of the Housing
The frame cover of DM 800 is painted with a structure.
The frame cover the clone 800 is painted brilliant.