Memorex 4.7GB 8x DVD+R (100-Pack Spindle) Supports 8x burning speeds Media can be written once only 4.7 GB of storage space (120 minutes of DVD video) Compliant for operation in DVD Home Video Recorders that specify DVD+R/RW for video recording purposes Note: These DVD+R discs are not operable in the following 1st generation DVD+RW drives: Ricoh 5120A, Sony DRV110ACI, Philips DVD+RW208 and HP DVD100i