the max speed of CD-ROM 24X,the max CD-R 24X,,the max CD-RW 10X,the max DVD-ROM 8X,the max DVD-R 8X,the max DVD+R 8X,the DVD-RW max 4X,the max DVD+RW 4X,the max Writer with D-9, DVD+R,DVD-RAM.

Product introduction:
1. Support USB2.0 standard, backwards compatible with USB1.1 standard.
2. the input rate up to 480m/s.
3. the max speed of CD-ROM 24X,the max CD-R 24X,,the max CD-RW 10X,the max DVD-ROM 8X,the max DVD-R 8X,the max DVD+R 8X,the DVD-RW max 4X,the max DVD+RW 4X,the max Writer with D-9, DVD+R,DVD-RAM.
4. Dedicated high-power switching power supply to ensure that
the quality of recording and the success rate.
5.Support Windows98 SE/ME/2000/XP operating system, Support MAC OS8.6 or higher (DOS can be used in the USB drive products)
6. Can play a variety of CD-ROM specifications: DVD-R/RW, DVD + R / RW, DVD-ROM (single-layer double-layer) Video discs, CD-DA, CD-ROM, CD-ROMXA, CD-I, Photo CD, Video CD, CD Extra, CD-Text , CD-R, CD-RW.
7. Data buffer memory:2MB
8. average access time:DVD:150MS /CD:130MS
9. cd writing mode: Track at Once /Disc at Once /Packet Writing Sesion at Once /Multi-session /Fixed Packet /Variable Packet
10.dvd writing mode: DVD-Video Disc at Once Restricted overwrite(DVD-RW) Sequential write (DVD + R / + RW) Incremental (DVD-R/-RW)
11.the dimention:(WxHxD)128.0mm X 12.7mm X 12.5mm
12.Additional Information: audio output (two stereo channels) for headphones or speakers, a volume control button and the CD - connects to the USB-A and-B USB cable - Plug and Play