Prestigio's DVD-R discs that conform to the new standards for 16x writing-speed recording are for use in DVD-R/-RW drivers that conform to use 16x writing-speed DCD-R discs. USE of these discs in 2.4x / 4x writing-speed DVD-R . -RW drives thar do not conform to 16x writing-speed disc may cause writing errors or damage to the recorded data. A firmware uodate is required prior to use 16x writing-speed DVD-R discs on these particular drives.