These DVI-D cables are used for digital DVI-D dual link connections between source video and digital DVI-D monitors. These DVI cables provide a higher quality image compared to analog video. This is due to fact the digital video signals output better quality video signals. These DVI cables send information using a digital information format. It is referred to as TMDS (transition minimized differential signaling). Dual link DVI cables feature all pins as opposed to DVI-D single link cables. This allows DVI-D dual link cables to support higher bandwidth for better video quality. These DVI extension cables are ideal for digital signage, splitting and extension applications.