If the speed transfer is less than 60 MB / s (corresponding to USB 2.0 Hi-Speed), please update the driver via the download available on the following link:

ftp://bcnlab.dlinkddns.com/PUBLIC%20FOLDER/DUB/DUB-1310/Renesas_USB3_uPD720200_uPD720200A_2.1.36.0.exe