The latter, on the other hand, is a portable memory stick that stores information and data from a system it also tends to be larger in capacity, ranging from 32Gb to 64GB, and so forth. The former is primarily a tool for data transfer between a system's hard drive and other devices or computers. You do know there's a difference between USB drives and pen drives, yeah? Even though they perform similar functions, don't go and mistake one for the other. Part 1: Overview of Pen Drive Data Recovery How Can I Recover My Deleted Files from Pen Drive? Free Download Pen Drive Data Recovery Software Full Version