Technical SpecificationsModel 52x24x52 48x12x48Part # U2-CDRW-522452 U2-CDRW-481248Write Speed 52x 48xRe-Write Speed 24x 12xRead Speed 52x 48xInterface USB2.0, (USB1.1 Compatible) USB2.0, (USB1.1 Compatible)Buffer Under Run Protection YES YESBuffer Size 2MB 2MBSupported FormatsCD-DA, CD-ROM/XA, CD-RW, CD-I/FMV,Single/Multi-Session photo CD, Video CD,Enhanced CD (CD-Extra and I-trax)CD-DA, CD-ROM/XA, CD-RW, CD-I/FMV, Single/Multi-Session photoCD, Video CD, Enhanced CD (CD-Extra and I-trax)Writing Methods Track-at-Once, Disk-at-Once, and Multi-SessionTrack-at-Once, Disk-at-Once, andMulti-SessionDimensions 10" x 6.5" x 2.25" 10" x 6.5" x 2.25"Package Includes:CDRW, USB2.0 Cable, Drivers CD, PCBurning Software, CD LabelMakerSoftwareCDRW, USB2.0 Cable, Drivers CD,PC Burning Software, CDLabelMaker Software2. System RequirementsHardware:Notebook or desktop computer with USB or USB2.0 port supported for USB drives.Notebook or desktop computer with IEEE 1394 (FireWire) port supported for FireWiredrivesNote: IMC FireWire products use a 6-pin interface.Operation system:Win98SE, Win-ME, Win2000, Win XP, Mac OS 8.6 or above.