A DisplayPort cable is  used to connect a computer or other device to a monitor or display device. It is specifically designed to transmit video and audio signals over a single cable using the DisplayPort standard. DisplayPort cables have a unique connector with 20 or more pins and are available in different lengths to accommodate different distances between the source device and the display device. DisplayPort cables are commonly used in computer systems and can support resolutions up to 8K, high refresh rates and HDR content. They can also be used to daisy-chain multiple display devices, allowing for a multi-monitor setup without the need for multiple cables.