The WD My Passport is a compact and spacious external hard disk that lets you store your digital files securely. Featuring USB 3.0 and USB 2.0 connectivity, this 2 TB wired hard drive allows you to access and save files at a fast speed. With the Auto Backup feature and the WD Backup software, the WD My Passport automatically backs up your laptop???s or computer???s important files to keep them safe in case of a system crash. The WD Security software keeps your private data safe from unauthorized access.