256-Channel 8-Bay RAID Rackmount Standalone NVR with Recording Throughput 550 Mbps, Instant Playback, e-Map, HDMI, DVI and Display port, 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, 8-Bay (Storage Disks not included), Audio, AC 100-240V