USB 3.0 to Micro-B Super Speed external hard drive cord compatible with PC, laptop or Mac with a USB-A port. Compatible with Western Digital WD My Passport, Seagate, Seagate Goflex, Seagate FreeAgent, Toshiba Canvio, LaCie, Backup Plus Ultra Slim, Backup Plus Slim, Elements & other external hard drives with a Micro-B port. USB transfer cable / fast charger compatible with Samsung Galaxy Note 3, Nokia Lumia 2520 4G Tablet (only for data transfer). USB 3.0 technology provides transfer rate of 4.8 Gbps.