MasterStor Dual Power USB 3.0 Y Shape 2 X Type A to Micro B Superspeed Cable External Hard Drives For Toshiba/Seagate/Samsung/WD/Hitachi (100cm - 3 Foot - 1M) Allows you to power a single device from 2 USB ports. An additional USB type-A connector allows the cable to be connected to two USB ports (2.0 or 3.0) for maximum power and performance. It is compatible with HDDs, PCs, laptops, mobile phones, digital cameras, printers, Wii-U or other devices with low power output USB ports. Can be used to connect your USB 3.0 devices with a transfer rate of up to 5 Gbps. In order to fully enjoy the benefits of the USB 3.0 specification, the device and source must be USB 3.0 compatible. Includes: 1 USB 3.0 Y cable. 1 Year Warranty