The ASUS DRW-24D5MT is the one drive for users who are looking for additional data protection, energy efficiency and faster burning rates. It is a power-saving 24X DVD Writer that provides you with the flexibility and efficiency for multimedia data storage, and the most complete data backup solution with M-Disc support. This DVD Writer also features E-Green which auto-closes drive application when not in use, saving over 50% power consumption for users. Not to mention, a free included app (Nero BackItUp) makes it easy to back up all of your important data online or to a SD card or PC. Disc Encryption II doubles the security with password controls and hidden file function, protecting important user data to keep all your files safe.