The ASUS ZenDrive U7M is an external DVD Writer featuring an ultra-slim 13mm form factor, 8X DVD write speeds, Windows and Mac compatibility and a Zen-inspired design with a concentric-circle hairline finish that adds sophisticated aesthetics to any computer setup. M-DISC burning technology engraves recorded data into a patented rock-like layer that is resistant to extreme conditions, allowing you to save your lifetime memories and important data for 1,000 years or more.