USB 3.0 and USB 2.0 compatibility Get compatibility with USB 3.0 computers and backward compatibility with USB 2.0 computers in this single drive. Improve PC performance When your internal hard drive is almost full, your PC may slow down. Don’t delete files. Instead, free up space on your internal hard drive by transferring files to the WD Elements SE portable storage to get your laptop moving again. High capacity in a compact design The small, lightweight design of WD Elements SE portable storage offers up to 5TB capacity, making it an ideal, on-the-go companion to take files with you. WD quality inside and out WD Elements SE portable storage with enclosure is built to meet WD's demanding requirements for durability, shock tolerance and long-term reliability to help protect the data that's important to you. Formatted for Windows Formatted NTFS and compatible with Windows 10, Windows 8.1, Windows 7, the WD Elements SE portable storage can be reformatted for other operating systems.