External hard drive with shock-resistant design. - Brand: I-O DATA - Model: HDPS-SU40 - Interface: USB - Features: Shock-resistant design - Capacity: 40GB Thank you for viewing. Although it has a small capacity by today's standards, how about using it for carrying data around? Formatted for Windows and offered for sale. The HDPS-SU40 is a portable hard disk drive manufactured by I-O DATA, supporting USB 2.0/1.1. It is primarily designed for carrying and backing up data, and features security functions and a shock-resistant structure.