This USB (Universal Serial Bus) dual power cable is perfect for connecting a PC to a bus-powered external USB (Universal Serial Bus) device which has power consumption requirements up to 1.4A. It is ideal to be used with USB (Universal Serial Bus) 3.0 devices such as a USB (Universal Serial Bus) 3.0 hard drive enclosure. It features two USB (Universal Serial Bus) Type A connectors, one of which is a USB (Universal Serial Bus) 3.0 Type A, the other being USB (Universal Serial Bus) 2.0. The USB (Universal Serial Bus) 3.0 connection provides 900m A of current whilst allowing Super Speed data transfer rates of up to 5 Gbps, while the USB (Universal Serial Bus) 2.0 connection provides up to 500m A power only. The cable terminates in a Type A connector for connecting to your device.