ASUS ZenDrive Ultra Slim USB 2.0 External 8X DVD Optical Drive +/-RW with M-Disc Support for Windows and Mac and Nero BackItUp for Android Devices 8X DVD write speed, ASUS ZenDrive U7M provides a complete, easy-to-use backup solution. ASUS ZenDrive U7M has an ultra-slim, 13mm form factor, making it the perfect companion to thin and light laptops. M-DISC is designed to protect your memories from degradation and data loss for 1,000 years or more. Nero Backup full back up solution for Android devices Windows and Mac compatible