Kanex Thunderbolt 3 to Thunderbolt Adapter The Thunderbolt 3 to Thunderbolt Adapter lets you connect existing Thunderbolt 2 and Thunderbolt devices to any new Thunderbolt 3 enabled computer, This adapter is not compatible with USB-C computers. This Thunderbolt 3 to Thunderbolt Adapter simultaneously supports 4K video and data up to 20Gbps. You can move data up to 4x faster than USB 3.0 and up to 25x faster than with FireWire 800. Daisy chain up to 6 Thunderbolt 2 or Thunderbolt devices from a single Thunderbolt 3 computer port. Adapter is backwards compatible with 1st generation Thunderbolt, refer user manual below,Compatible with Windows 7.1 and above Important - The Thunderbolt 3 to Thunderbolt Adapter does not require an additional dock as stated in the user manual, please contact manufacturer for revised manual. Please refer to the compatibility list under the images.