256-Channel 12-Bay RAID Rackmount Standalone NVR with Redundant Power Supply, 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, 60, 12-Bay (Storage Disks not included), AC 100-240V