The cable from your display is a Dual-Link DVI-D cable. The port on your GPU is a dual-link DVI-I port. DVI-I is capable of generating both analog and digital signals. The analog signals are present on the 4 pins surrounding the + shaped pin. However, these pins are absent on the DVI-D cable and will simply be left unconnected.
Yes! It is DVI-D (digital) cable, the 4 pins (sockets) around the flat is for DVI-I which carries analog signal if you want to change to VGA connection.
The cable from your display is a Dual-Link DVI-D cable. The port on your GPU is a dual-link DVI-I port. DVI-I is capable of generating both analog and digital signals. The analog signals are present on the 4 pins surrounding the + shaped pin. However, these pins are absent on the DVI-D cable and will simply be left unconnected.