USB C to USB 3.0 B Cable, CableCreation 4ft USB 3.1 Type C to USB 3.0 Type B Cable, Compatible MacBook Pro, External Hard Drive, Docking Station, 1.2M, Black Connects a computer with a USB Type C port to an external hard drive, docking station or USB switch with a USB 3.0 Type B port; Kindly NOTE: (1)This cable is NOT backward compatible with USB 2.0 Type B , because USB 3.0 Type B looks totally different with USB 2.0 Type B connector.(2) If your target device is printer, scanner or MIDI, please firstly go to your computer's official website to download corresponding driver before using it. Super Speed: GEN2 USB 3.1 Type C to USB B cable, data transfer speed up to 10Gbt/s. USB Type-C to USB 3.0 B male cable with sturdy construction, fully shielded cable provides superior transmission performance; gold plated connector, reduce signal loss and 100% contact efficiency. USB-C Compatibility: USB-C is Host side, compatible with 2015/ 2016/ 2017 Macbook(Pro), Google Chromebook Pixel. Dell XPS 13, Dell XPS 15, HP Spectre x2 / Pavilion x2 , Lenovo Yoga 900 13 inch, ASUS Zen AiO PC and upcoming releases of computers with a USB C connector. USB 3.0 B Compatibility: USB 3.0 B is Device side, compatible with Fujitsu ScanSnap iX500 scanner, Dell S2340T monitor, Dell USB 3.0 docking station, external hard drive ( HDD) , Blu-ray Disc, digital camera and other devices with USB 3.0 B male port.