Designed for netbook or notebook users, the high-performance Lexar Echo MX is an easily accessible, ultra-portable backup drive that provides secure, no-touch automatic backups in a convenient, reliable flash-based design. Built-in Lexar Echo backup software activates as soon as it"s plugged in, to securely and automatically protect files with 128-bit AES encryption. Available from8GB to 128GB, the drive"s higher capacities offer higher performance - with speeds up to 30MB/s read and 17MB/s write.* It also sports an easy-to-read, always-on capacity meter that displays available backup space, even when disconnected from your laptop - for ultimate convenience. Compatible with both PC and Mac systems. Five-year limited warranty.