This USB 3.0 to SATA converter cable connects any standard 2.5 inch SATA hard drive or solid state drive (SSD) to a computer through USB 3.0 ports. It's ideal for backing up files or upgrading your notebook hard drive. The cable is fully compatible with USB 3.0 and backwards compatible with USB 2.0/1.1. It's made of copper and has a transmitting speed of 6Gbps. The package includes one converter cable.