補充資料：

Plextor introduces fastest Double Layer drive with writing
speeds up to 6x DVD+R DL and 6x DVD-R DL
Free of charge, Plextor offers for its award winning Dual Layer drive, the PX-716
series, a firmware upgrade to support higher writing speeds.
By this upgrade Plextor offers its customers protection on their investment for the
future. They are the first to introduce to the market 6x DVD+R DL and 6x DVD-R
DL writing. Besides an increase of the Double/Dual layer speeds, 8x writing on
DVD+RW media is supported, and additional support for 16x writing on DVD +/-R is
added.
Middle of January, firmware 1.04 will be released to support:
• 2x(CLV) writing on DVD-R DL media
• 6x(CLV) writing on DVD+R DL media
• 8x writing on DVD+RW media
• Support additional 16x media
Beginning of March, firmware 1.05 will be released to support:
• 6x(CLV) writing on DVD-R DL media