The OWC Slim optical drive solution makes CD and DVD creation Plug and Play easy. A fast USB 3.0 interface and a lightweight design provides portable convenience and flexibility for use with both Macs and PCs. Now you can add high performance optical drive functionality with stylish value to notebook or desktop computers. Supports the burning of up to 50GB of data or high definition video per Blu-ray disc, or up to 8.5GB using low-cost Dual Layer DVDs. Although commercial Blu-ray movie playback not supported in OS X, Blu-ray discs do mount on the desktop and can be backed up to the computer or played via third party software options. The OWC Slim USB 3.0 External Optical 8X DVD/CD Burner supports the revolutionary M-DISC format, making it the ideal solution for reliable long-term backup and archiving. Compared to other recordable storage media like DVDs and Tape, M-DISC offers superior reliability and protection against data loss that will last a thousand years (or more)!