Used and tested working. OPTICAL STORAGE Form Factor 5.25″ x 1/2H Form Factor (metric) 13.3 cm x 1/2H Speeds 48x32x48x Read Speed 48x Write Speed 48x Rewrite Speed 32x Supported Media Formats CD-DA (audio), CD-ROM Supported Media Types CD-R, CD-ROM, CD-RW Buffer Size 2 MB Access Time 120 sec Media Load Type

preowned and tested working. Passed Dell diagnostics. CD Rewritable Ultra Speed, DVD Rewritable and Multi Recorder Version