Product_description: ['Up to 256 channel IP cameras can be connected Up to 768 Mbps high incoming bandwidth ensures IP cameras can be connected 2 HDMI interfaces (different source), 1 VGA interfaces, and 1 decoding board 24 HDD can be used for continuous video recording Redundant power supply to improve system stability Supports some specialist cameras, including people counting camera/ANPR (automatic number plate recognition) camera/fisheye camera Advanced streaming technology enables smooth live view in poor network conditions Supports RAID 0, 1, 5, 6, 10 and N+1 hot spare for even more reliable data storage, effectively avoids data loss risks'] (Page 1)