A DVI (Digital Visual Interface) cable is a video display interface used to connect a video source, such as a video display controller, to a display device, such as a computer monitor. It was developed with the intention of creating an industry standard for the transfer of uncompressed digital video content. DVI cables can carry both digital and analog signals, and they come in three types: DVI-A (analog), DVI-D (digital), and DVI-I (integrated; analog and digital) .
DVI-D cables are used for direct digital connections between source video (namely, video cards) and LCD monitors, providing a faster, higher-quality image than with analog, due to the nature of the digital format. DVI-D connectors can only transfer digital video signals, while DVI-A connectors only carry analog signals. DVI-I cables are integrated cables that are capable of transmitting either a digital-to-digital signal or an analog-to-analog signal.
DVI cables are becoming outdated, especially when compared to HDMI and DisplayPort cables, which offer more features and higher resolutions. DVI cables do not have audio output, so a dedicated cable for audio is needed. They also support 4k display, but only at 30hz, which is outdated compared to HDMI and DP cables. Newer GPUs do not have DVI connections on them, rendering DVI cables almost obsolete.
