The MediaStation USB 2.0 Portable DVD Multi Drive from Buffalo is a portable DVD burner, ideal for use with laptop or notebook computers. It has two built-in USB cables that snap to the chassis for easy mobility. You can power the drive using one or both of these cables, depending on how much power you need. The compact drive can read and burn DVD discs at up to 8x speeds and can read and burn CD discs at up to 24x speeds. To note, it can write to dual-layer DVD discs up to 6x speeds and DVD-RAM discs up to 5x speeds.