WD Elements desktop storage with USB 3.0 offers reliable, add-on storage, ultra-fast data transfer rates and universal connectivity with USB 3.0 and USB 2.0 devices. The sleek design features 4TB capacity, renowned WD quality and it includes a free trial of WD SmartWare Pro backup software for local and cloud backup. Transfer files faster than ever When connected to a SuperSpeed USB 3.0 port, WD Elements lets you access and save files faster than ever. Transfer a 2-hour HD movie in just 3 minutes instead of 13 minutes. 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. Free trial of WD SmartWare Pro backup software WD Elements desktop storage comes 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. Sleek drive, massive capacity The sleek design offers 4TB capacity, making WD Elements desktop storage the ideal solution for easy, add-on storage for all your important photos, music, videos and files. 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 desktop storage and get your computer moving again. WD quality inside and out WD knows your data is important to you. So they built the drive inside to their demanding requirements for durability, shock tolerance and long-term reliability. Then they protect the drive with a durable enclosure designed for style and protection. Plug-and-play-simplicity Formatted to work right out of the box with your Windows PC. Just connect the power and plug the drive into the USB port on your computer to instantly add more storage.