Purpose: It allows you to connect a computer or laptop that has a DisplayPort output to a monitor, projector, or TV that uses a different cable type.Connections:Male End: The smaller, rectangular plug is a DisplayPort connector, often found on desktops (especially Dell or HP) and high-end graphics cards.Female End: The larger box-like end is the receiving port. Common versions of this specific cable design convert the signal to either HDMI for high-definition video and audio or VGA for older monitors.