LG GP70NS50 Portable DVD-Writer - DVD-RAM/±R/±RW Support - 24x CD Read/24x CD Write/24x CD Rewrite - 8x DVD Read/8x DVD Write/8x DVD Rewrite - Double-layer Media Supported - USB 2.0 - SATA

The portable form-factor dvd-writer drive allows portability, and can be used anywhere with any computer Utilize this DVD-Writer drive to create archives of your favorite media with ease Double-layer media supported; means that you will burn 2 different layers on the disc thus greatly increasing (literally doubling) the storage capability