The WD Elements portable hard drives with USB 3.0 offer reliable storage for on-the-go use, ultra-fast data transfer rates, universal connectivity options, and a huge storage capacity for budget-conscious buyers. This drive combines compatibility with the latest USB 3.0 devices as well as backward compatibility with USB 2.0 devices. When connected to a USB 3.0 port, the WD Elements portable hard drive provides ultra-fast data transfer. If your internal hard drive is nearly full, your computer will slow down. Don’t delete files. Move files to your WD Elements portable hard drive, free up space on your internal hard drive, and get your laptop back up to speed.