Compatible with Thunderbolt™ 3 hosts, the 0.8M USB-C Male to USB-C Male Thunderbolt™ 3 40Gbps Cable connects your device to Targus’ Thunderbolt 3 docking station – DOCK221. It makes transferring data (up to 40Gbps) or charging your device quick, and its compact size easily fits in your go-to backpack or briefcase.