NEC ND-3520A 主要規格:

Write speed
DVD+R DL 4x CLV
DVD+R 16x CAV
DVD+RW 8x ZCLV
DVD-R DL 4x CLV
DVD-R 16x CAV
DVD-RW 6x ZCLV
CD-R 48x CAV
CD-RW 24x ZCLV

Read speed
DVD-ROM SL 16x
DVD-ROM DL 7.3x
DVD±R 16x
DVD±RW 8x
DVD-Video CSS 5x
CD-ROM 48x
CD-R 48x
CD-RW 32x

Access time DVD/CD: 140/120 ms
Buffer size: 2 MB

資料參考:
http://www.cdfreaks.com/news/10947