256-Channel 12-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), Supports External Storage (iSCSI), Hardware RAID 0,1,5,6, 10, 50, 60, 12-Bay (Storage Disks not included), AC 100-240V