Ridata DVD+RW 4x 100-pack Spindle 100 rewriteable DVD+R discs on a plastic spindle with dust cover 4.7 GB per disc; stores up to 120 minutes of DVD-quality video For use with 4x speed recording (maximum); re-write up to 1,000 times Very low recording error rate and low jitter; long archival and storage life Not compatible with DVD-R/RW only drives (unless otherwise noted)