.com Thunderbolt 3 to Thunderbolt 2 Adapter - TB3 Laptop to TB2 Displays/Devices - Thunderbolt 2 20Gbps or Thunderbolt 1 10Gbps Converter - TB3 - Black - Windows/Mac (TBT3TBTADAP)

This Thunderbolt 3 to Thunderbolt adapter is a cost-effective solution for connecting older Thunderbolt peripherals such as external hard drives, Thunderbolt 2 displays to newer Thunderbolt 3 host devices (laptops or computers). You can connect to first-generation Thunderbolt devices at 10Gbps speed. With Thunderbolt 2 devices, you can connect at 20Gbps. The Thunderbolt adapter satisfies all requirements for bi-directional data transfers and simultaneous power for bus-powered devices. The Thunderbolt 3 adapter will not work with non-Thunderbolt 3 USB-C laptops and only works with Thunderbolt 3 enabled ports (look for the Thunderbolt sign on your port).