From the manufacturer
The More Space. The Merrier.
Windows computers tend to perform better when their internal drives aren’t filled to the brim. That’s why Expansion Portable is here to help. Transfer, backup, and give that desktop or laptop the space it needs. Fast USB connectivity and drag-and-drop style make the whole process a no brainer.
Expansion Portable, 18-inch (45.72cm) USB 3.0 cable, Quick start guide