The Sandberg USB (Universal Serial Bus) 3.0 Hard Disk Cloner is the perfect solution for when you need to copy, read & write large amounts of data quickly & easily. The USB (Universal Serial Bus) 3.0 connection enables you to achieve impressive data transfer speeds of up to 5 Gbit/sec. The cloner has two SATA slots, so you can connect two hard disks to your PC at the same time. The two SATA slots also allow you to clone the contents of one hard disk to another, without any PC connection at all.