有興趣可以去看一看
http://www.cdrlabs.com/reviews/index.php?reviewid=207

Conclusion:

Highs:

Writes to DVD-R and DVD+R media at 4x
Reads single layer DVD-ROM's at 12x
Good transfer speeds with all types of CD media
Excellent CD writing quality
Rips audio CD's at 32x
Includes buffer underrun prevention technology
Supports UDMA 33
Overburns to 99 minutes
Quiet operation
Affordably priced
Lows:
Reads DVD+R/RW and DVD-R/RW media蟵t only 6x
Reads DVD videos at only 2x
High full seek times with CD and DVD media
Doesn't support the Mt. Rainier format
No digital audio output