2 x USB 3.2 Gen1, 1 x USB 3.2 Gen1 mit PowerShare Dock für Dell Precision 7740
1 x USB 3.2 Gen 1 with PowerShare - 9 pin USB Type A. The Dell Thunderbolt™ Dock – WD22TB4 is a high-performance docking station designed to expand your laptop's capabilities. 2 x USB 3.2 Gen 1 - 9 pin USB Type A.