Apple Thunderbolt Cable 0.5 m, Black (MF640ZM/A) Thunderbolt technology supports fast data transfers with two independent channels of 10Gb/s each. And Thunderbolt 2 technology can bond the two channels for a superfast 20Gb/s The Apple Thunderbolt Cable lets you connect two Thunderbolt-equipped Mac computers in target disk mode or .network two Mac computers Utilize the Thunderbolt cable to use your iMac as a display for a MacBook Pro or MacBook Air.