LG Electronics 8X USB 2.0 Super Multi Ultra Slim Portable DVD Writer Drive +/-RW External Drive with M-DISC Support (Black) GP65NB60. LG GP65NB60 8X USB 2.0 Ultra Slim Portable DVDRW External Drive w/ M-DISC, Retail (Black) 14mm Height Ultra Slim Portable DVD Writer Drive USB 2.0 interface (up to 480Mbits/s, USB 3.0 Compatible) Max 8x DVDR Write Speed Max 24x CD Write Speed Slim Design with Cyberlink Software M-Disc. Transfer Rates - Write (Max). CD-R: 10x CLV, 16x PCAV, 24x CAV - CD-RW: 4x, 10x CLV, 16x ZCLV, 24x ZCLV - DVD-R (SL): 2x CLV, 4x PCAV, 8x CAV - DVD+R (DL): 2.4x CLV, 4x PCAV, 6x PCAV - DVD+RW: 2.4x CLV, 4x ZCLV, 8x ZCLV - DVD+R (SL): 2.4x CLV, 4x PCAV, 8x CAV - DVD-RAM: 2x, 3x CLV, 5x PCAV - DVD-R (DL): 2x CLV, 4x, 6x ZCLV - DVD-RW: 2x, 3x CLV, 4x, 6x ZCLV.