The Toshiba Surveillix DVR Series sets the standard in user friendly, high definition recording. With available Internal RAID 5 HDD capabilities and field replaceable Hard Disk Drives, the DVR Series is designed for maximum reliability. The DVR Series comes pre-configured to allow HDD storage expansion in the field without it needing to be returned to Toshiba for upgrading. Capable of recording at speeds of up to 480 pictures per second, the DVR offers unmatched versatility. Each system includes a built-in RS-422 adapter supporting over 75 protocols as well as a DVD+RW optical drive for export and backup of recorded video.