Use first-gen Thunderbolt and Thunderbolt 2 devices with a new Thunderbolt 3 computer</br>Thunderbolt 3 to Thunderbolt Adapter / Thunderbolt 3 USB C to Thunderbolt / Thunderbolt 3 USB Type-C to Thunderbolt</br>Compatible with first-gen Thunderbolt & Thunderbolt 2 devices / Supplies power for bus-powered devices / Thunderbolt Certified</br>Works with Thunderbolt 3 computers such as the latest models of Dell XPS & Dell Precision & MacBook Pro & more</br>Guaranteed reliability with a 2-Year warranty</br></br>Product Description</br></br>Use legacy Thunderbolt devices with your new Thunderbolt 3 computer -   With this adapter?? you can connect Windows and Mac based Thunderbolt 3 computers to older Thunderbolt devices?? such as external hard drives?? Thunderbolt displays?? and older Thunderbolt capable Mac computers.    Because this adapter is backward compatible?? you can connect to first-generation Thunderbolt devices at 10Gbps speed. With Thunderbolt 2 devices?? you can connect at 20Gbps. The adapter satisfies all requirements for bi-directional data transfers and simultaneous power for bus-powered devices.    The TBT3TBTADAP is backed by a 2-year warranty for guaranteed reliability.    Your computer??s Thunderbolt 3 ports might not function properly until you update one or more of the following on your computer:    BIOS