Thunderbolt 3 includes official support for external GPU docks. Intel's reasoning for not allowing them sooner was due to hot-plugging issues but they could be

Thunderbolt 3 includes official support for external GPU docks. Intel's reasoning for not allowing them sooner was due to hot-plugging issues but they could be spinning it around. Source: http://www.anandtech.com/show/9331/intel-announces-thunderbolt-3 http://www.anandtech.com/show/9331/intel-announces-thunderbo...