The DataLifePlus DVD-RAM disc in Type 2 (disc removable) cartridge is single-sided media compatible with 4.7/9.4GB DVD-RAM drives. DVD-RAM is rewritable media that uses phase change technology for recording. Two generations of DVD-RAM are available: 2.6/5.2GB and 4.7/9.4GB. DVD-RAM is designed for data intensive, high-performance applications. Data stored on DVD-RAM can be accessed in the same manner as a hard drive, with drag-and-drop capabilities, and can be oveRWritten 100,000 times. Double-sided discs are available in Type 1 (non-removable) cartridge. Single-side discs are available bare, or with a Type 2 (disc removable) cartridge for reading in later generation DVD readers, DVD-Video players, and DVD recorders.