High performance Micro USB 3.0 cable connects a portable external USB 3.0 hard drive to a computer for speedy file transfer or synchs and charges smartphones or tablets equipped with the USB 3.0 Micro-B port Super Speed USB 3.0 data transfer cables are compatible with most USB 3.0 external portable and desktop hard drives. USB 3.0 cables offer a throughput of up to 4.8Gbps when used with a USB 3.0 host and device - an outstanding 10x the capability of USB 2.0 (480Mbps) Great for lost or broken USB 3.0 Cables for external hard drives.