Genuine in box with serial number. This is a hidden gem! Originally priced $39 but selling for $70 on Amazon and as much as $90 on eBay due to rarity. 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. Thunderbolt technology supports fast data transfers with two independent channels of 10Gb/s each. 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. Not compatible with USB-C ports ✨Smoke Free/Pet Free Home ✨Top Rated Seller ✨Fast Shipper ✨Reasonable Offers Welcome ✨Bundle likes to save on shipping!