Mitsubishi's 23GB 2.4X Re-Writable Professional Disc for Sony XDCAM provides approximately 43 minutes of HD recording time in a single disc. Manufactured in Japan at Mitsubishi Chemical Media factories, these discs are verified by Sony to ensure compatibility and optimum performance with their XDCAM equipment. Professional discs utilize blue-violet laser technology for extremely high-density recording, and allow for instant random access to previously recorded materials - no more fast-forwarding or rewinding. A rugged protective cartridge makes these discs extremely durable, resistant to dust, dirt, fingerprints as well as vibration and shock. Mitsubishi Re-writable Professional discs allow for up to 1,000 read/write/erase cycles and 1,000,000 read cycles without signal degradation. Combined with a 50 year archival life these discs are the perfect archival solution for HD video and video or data of all file formats.