SIIG USB 3.0 to SATA 6Gb/s Adapter (JU-SA0812-S2) Use USB 3.0 technology to quickly access data on your SATA hard disks or DVD/CD drives Ultra fast for backup and copying large data files Ultra portable design makes it perfect for travel and use with notebook computers USB 3.0 data transfer rates up to 5Gb/s Supports Serial ATA bus bandwidth up to 6Gb/s Supports up to 4TB hard disk capacity