20G DATA + 4K VIDEO high performance Thunderbolt to Thunderbolt cable supports a 20 Gbps data transfer rate when connecting Thunderbolt peripherals; Compatible with MacBook Air, MacBook Pro, iMac, Mac Pro, and Apple Thunderbolt Display THUNDERBOLT DOCK MATE using a single Thunderbolt 2 to Thunderbolt 2 cable to connect multiple peripherals for video, storage and Ethernet network access; Highly efficient cable handles large 4K Go Pro video files and terabytes of data rendering for video professionals DAISY CHAIN DREAM for connecting up to 6 devices or displays per port with compatible equipment; Flexible cable is designed for frequent use with a rubberized TPE jacket that provides superior insulation and UV resistance; Low-profile connectors with molded strain relief will not block adjacent ports on your computer