LG Electronics GP08NU20 8X Super-Multi Slim DVD+/-RW Dual Layer External Drive (White) LG GP08NU20 Portable Super Multi Drive General Features: White color External DVD Rewriter USB 2.0 interface 2 MB buffer Buffer under run protection technology Average access time (1/3 Stroke): CD-ROM 140 msec; DVD-ROM 160 msec; DVD-RAM 260 msec Emergency eject support Supports region playback control Phase II Busy LED USB powered, no AC adapter needed