1) Supports various operating systems (Windows, Mac) 2) USB 2.0 standard (compatible down with USB 1.1) a) USB2.0 DVD-ROM max. speeds: i) 480m/s ii) 24x read (CD-ROM) iii) 8x read (DVD-ROM) iv) Compatible discs: CD, VCD,DVD, DVD-R, DVD+R, CD- R, CD-RW b) USB2.0 combo ROM drive maximum speeds: i) 480m/s ii) 24x read (CD-ROM) iii) 8x read (DVD-ROM) iv) 24x write (CD-R) v) 10x write (CD-RW) 4) No need of driver (except for Windows 98/98se) 5) Compatible discs: CD, VCD, CD-R, CD-RW 6) Support MS-DOS boot and use. Size: 133*130*17.5mm Hardware requirement: CPU: Celeron 300MHZ and higher, Pentium 2 226MHZ and higher or AMD-K6-2 300MHZ and higher Memory: 32M and higher ITEM(S) INCLUDED: USB 2.0 Super Slim Drive USB Cable, Power cable User"s Manual