The LG Slim Portable Blu-ray Writer model number is LG WP50NB40. The color of this portable rewriter is black and packaged in a retail box. The retail box includes a USB 2.0 cord, installation disc and quick installation guide documentation. The LG drive supports BDXL format. A BDXL 100GB disc is equivalent to 21 DVDs or 4 Blu-rays on just 1 BDXL disc.