At 4X speed, the fastest recording speed of any current ReWriteable DVD format, users can record 120 minutes of high quality video or 4.7GB of data in approximately 15 minutes. Certified to write and rewrite at 1X to 4X speeds Verbatim DataLifePlus 4X DVD+RW discs can be used with high speed DVD+RW writers from Sony, HP, Dell and other leading manufacturers. DataLifePlus DVD+RW discs are manufactured with a proprietary process based on Super Eutectic Recording Layer (SERL) technology that provides accurate recording at high speeds, noise-free playback, and long archival life