Product DescriptionThe BenQ DW1620 take the DVD recording speed to the limit!! You can now record a full 4.7GB disc in just 6 minutes. Better yet, the BenQ DW1620 allows you to store up to 8.5GB data capacity without turning over the disc. You can record up to 16 hours of VHS quality video, or 4 hours of DVD quality video on a single disc, while retaining disc compatibility with DVD video players and DVD-ROM drives.Recordable Double-Layer DVD Experience the greater data storage capacity of 8.5GB!! Now, you can record up to 16 hours of VHS quality video, or 4 hours of DVD quality video on a single disc, while retaining disc compatibility with DVD video players and DVD-ROM drives. FeaturesDVD+R/RW Speed - 16X Writing, 4X Rewriting, 16X Reading DVD-R/RW Speed - 16X Writing, 4X Rewriting, 16X ReadingCD Speed - 40X Writing, 24X Rewriting, 40X Reading DVD+R DL Speed - 2.4X Writing Double up data storage capacity to 8.5G on a single DVD+R double layer disc Write right technologies: WOPC II ,BLER OPC, Sliding Cone mechanism Qvideo 2.0/ Easy DV, TV, AV to DVDBook Type Management for superb media compatibility Black-colored tray minimize jitters to enhance writing quality