WD Elements portable hard drives with USB 3.0 offer reliable, high-capacity storage to go, ultra-fast data transfer rates, universal connectivity and massive capacity for value-conscious consumers. USB 3.0 and USB 2.0 compatibility – With this single drive you get compatibility with the latest USB 3.0 devices and backward compatibility with USB 2.0 devices as well. Maximum transfer rates – When connected to a USB 3.0 port, WD Elements portable hard drive delivers ultra-fast data transfer rates. Improve PC performance – When your internal hard drive is almost full your PC slows down. Don’t delete files. Free up space on your internal hard drive by transferring files to your WD Elements portable hard drive and get your laptop moving again. Massive capacity in a small enclosure – The small, lightweight design offers up to 2 TB capacity, making WD Elements portable hard drives the ideal companion for consumers on the go. Free trial of WD SmartWare Pro backup software – WD Elements portable hard drives come with a trial version of WD SmartWare Pro backup software. This backup software allows you to back up your files to your WD Elements drive or to the cloud using your DropBox account. Formatted for Windows – Formatted NTFS and compatible with Windows 8, Windows 7, Windows Vista or Windows XP. Can be reformatted for Mac.