Drive TypeExternalInterfaceUSB 2.0 up to 480 Mb/s, USB 3.0 compatibleSustained Transfer RateCD-ROM: 3.6 MB/s (24x) DVD-ROM: 11.08 MB/s (8x) max.Buffer Size0.75 MB buffer under-run prevention function embeddedTransfer Rates - Write (Maximum)CD-R: 10x CLV, 16x PCAV, 24x CAV CD-RW: 4x, 10x CLV, 16x

Drive TypeExternalInterfaceUSB 2.0 up to 480 Mb/s, USB 3.0 compatibleSustained Transfer RateCD-ROM: 3.6 MB/s (24x) DVD-ROM: 11.08 MB/s (8x) max.Buffer Size0.75 MB buffer under-run prevention function embeddedTransfer Rates - Write (Maximum)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-R (DL): 2x CLV, 4x, 6x PCAV DVD-RAM: 2x, 3x CLV, 5x PCAV DVD-RW: 2x, 3x CLV, 4x, 6x ZCLVTransfer Rates - Read (Maximum)DVD-RW: 8x CAV DVD-Video (CSS Compliant Disc): 4x CAV (SL/DL) DVD-ROM (SL/DL): 8x CAV DVD-RAM: 6x CAV DVD-R (SL/DL): 8x CAV DVD RW: 8x CAV DVD R (SL/DL): 8x CAV CD-R/RW/ROM: 24x/24x/24xCAV CD-DA: 24x CAVAccess Time1/3 Stroke DVD-RAM: 260 ms typical DVD-ROM: 160 ms typical CD-ROM: 140 ms typicalComplianceRoHS EMC/EMI CE Marking, C-Tick Mark, Korean EMC (KC), Taiwan EMC (BSMI), VCCI Safety UL 60950-1 First Edition TÜV EN 60950-1 / EN60825-1 SEMKO EN 60950-1 / EN60825-1 Laser safety Class 1 laser product comply with DHHS rules 21 CFR Subchapter J Class 1 laser product to EN60825-1 / IEC 60825-1Operating Systems SupportedWindows XP, Vista, 7, 8, and 8.1 Windows Server 2003 and 2008 Mac OS X 10.7.5System RequirementsCPU: Intel Pentium 4 2.4 GHz or higher (Intel Pentium 4 3.2 GHz of higher recommended) RAM: 1 GB or higher Video Memory: 64 MB or higher (128 MB recommended) Hard Drive: 20 GB or more of available spaceDimensions (WxHxD)5.6 x 0.6 x 5.4" / 141.0 x 14.0 x 136.5 mmWeight0.4 lb / 200.0 g