ASUS SDRW-08D2S-U LITE is an external slim DVD writer capable of 8X speeds. It's stylish and portable design. The lattice-like appearance of the drive is inspired by diamonds, making the product unique from every angle. Additional features include USB 2.0 and the E-Green Engine for the best optical storage available. 1) M-DISC provides archival-quality storage to protect your precious photo, video and data for 1,000 years or more (supporting after manufacture date 2017/Jan) 2) Windows and Mac OS compatible 3) Nero BackItUp provides easy and comprehensive photo, video, data backup for your valuable information (Window OS) 4) Disc encryption in highest security standards with password control and encoded file name functionality (Window OS) 5) Drag-and-burn in 3 easy steps (Window OS) 6) Free unlimited ASUS Webstorage for 12 months