Removable storage medium that allows data to be written and erased as many times as is required ,- With USB 3.0 technology for capacity expansion ,- Removable USB 3.0 storage medium (downward compatible with USB 2.0) ,- Allows ultra fast data transfer with up to 100 MB/s ,- Sturdy plastic casing with a retractable USB connector ,- SanDisk SecureAccess software included (download necessary): protects your private files in an encrypted, password protected folder (128-bit AES encryption) , ,System Requirements: ,- Operating system: Windows 8/7/Vista/XP/2000/ME, Linux, MacOS X v. 10.1.2 or higher