subject: Buying Guide for USB Drives [print this page] Also consider the design and size of the USB drives. The size of the drive should not be too large for your computer. The drive should be designed for the USB 2.0 interface. Know about the features of the drive before purchasing. For fast configuration from the network, it comes with easy web-based user interface. These are the important factors you need to consider while going to buy a USB drive for your storage needs.