256-Channel 16-Bay RAID Rackmount Standalone NVR with Instant Playback, e-Map, Remote Access, Video Export, 64-Channel Synchronized Playback, 64-channel free license included (for ACTi video devices) and additional license required (for integration with POS, access control and extended devices), Hardware RAID 0,1,5,6, 10, 50, 16-Bay (Storage Disks not included), Audio, AC 100-240V