The 8K DisplayPort Adapter Cable enables the direction connection of a PC or notebook with a DP output to an HDMI device, such as a TV or monitor. The adapter cable is a must-have accessory. With this adapter cable, your next gaming session or home cinema experience will be displayed in razor-sharp definition. When used with Mac devices, the cable supports mirroring or extension mode and when used with Windows devices it supports duplication or extension mode. No external power supply is required for this adapter cable.