8.5 Gbyte's of storage capacity on a single-sided disc--No need to flip the disc. Largest compatible DVD back-up and data archiving format for computer drives. Record 4 hours of DVD quality television and video (16 hours of VHS quality, Capacity of up to 12 CD's). Supported by high speed Double Layer writers, up to 6X, burn 8.5GB in approximately 15 minutes or less. Compatible with DVD+R DL drives from Sony, Philips, Lite On and other leading manufacturers. Ideal for archiving home movies