There is a greater variety of DVI, including DVI-A, DVI-D, DVI-I, which can be divided into single channel and dual channel The DVI-A (DVI-Analog) only transfers analog signals, which is the VGA analog transmission specification It is often used to transfer the DVI-I output of the graphics card to the VGA display The DVI-D (DVI-Digital) is a pure digital interface, not compatible with analog signals The DVI-D (DVI-Integrated) compatible with both DVI-I and DVI-D plugs, compatible with digital and analog signals The shaped is different, cannot be plugged in if the connectors do not match The DVI can provide a maximum transmission rate of 8GPS to meet the display requirements of 1920X180/60Hz High resolution can not only provide the best movie picture quality in today's flood of 3D movie special effects, but also the basic requirement of 3D graphics producers Therebefore, the DVI will be an invitable trend in the development of the digital age