About this item 
Compatible with: MacBook Air (13-inch, Early 2015 - 2017 | 11-inch, Early 2015), MacBook Pro (Retina, 13-inch, Late 2012 - 2015 | Retina, 15-inch, Mid 2012 - 2015), iMac (Retina 4K, 21.5-inch, Late 2015 | Retina 5K, 27-inch, Late 2014 - 2015), Mac Pro (Late 2013), Mac mini (Late 2014) 
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. 
Use this cable to connect Thunderbolt-enabled devices to the Thunderbolt or Thunderbolt 2 port on your Mac. 
The Apple Thunderbolt Cable lets you connect a Thunderbolt-equipped system to a Thunderbolt device. 
Connect a Thunderbolt-equipped Mac in target disk mode to another Mac for fast data access or system migration, or network two Thunderbolt-equipped computers.