This Mini DisplayPort™ 1.2 cable lets you extend the connection distance between your Mini DP devices by up to 3 feet. Position your devices the way you want The cable delivers the ideal solution for better placement of peripheral devices and can be used to connect your Microsoft Surface™ Pro 4,  Surface Book, MacBook, MacBook Pro, MacBook Air, and other mDP enabled devices to Apple's LED Cinema Display or other Mini DisplayPort monitor. Simply connect your tablet or laptop to the extension cable using a standard Mini DisplayPort Cable and connect the extension cable to your Mini DP monitor. Provide astonishing picture quality The cable supports high resolutions of up to 4k x 2k (3840 x 2160) @ 60Hz with a maximum HBR2 bandwidth of 21.6 Gbps. The cable also supports Multi-Stream (MST) for daisy chaining multiple monitors and provides optional audio support. The MDPEXT3 is backed by StarTech. with both HDCP and DPCP capability. Please note: Newer laptop and desktop computers (e.g. Apple) come equipped with Thunderbolt™ ports only. Our Mini DisplayPort Cables can be connected to the Thunderbolt ports, enabling you to connect your Mini DP compatible displays.