Compatible with Samsung Galaxy S5, Galaxy Note 3, Galaxy Note Pro 12.2, and portable USB 3.0 external hard drives including Toshiba Canvio, Seagate FreeAgent, and Western Digital (WD) My Passport and Elements hard drives, Ensures reliable data communication with external storage devices. Backward compatible with USB 2.0, USB 3.0 uses less power, but has increased power output - up to 4.8 Gbit/s. Compared with the USB 2.0 transmission speed, USB 3.0 is 10 times faster