A DVI Cable is used to connect devices like computers and monitors, transmitting high-quality digital video signals for clear, sharp images. It supports resolutions up to 1920x1200 or 4K, depending on the version. DVI cables come in different types, including DVI-D (digital), DVI-A (analog), and DVI-I (both digital and analog). While they provide excellent video quality, DVI cables do not transmit audio, so an additional audio cable is needed.