NVR 64 Channels with 8 SATA Spaces, H.265 / H.264 Compression, 320 Mbps Input / Output Bandwidth, Live Video 1 Channel 12 MPx / 4 Channel 4K / 8 Channel 4 MPx / 16 Channel 1080p / 32 Channel 720p / 64 Channel D1, 1 Channel Audio In/Out, 16/4 Channel Alarm In/Out, RAID Supported, 2 HDMI and 1 VGA, 3 USB, 2 RJ45 Network Port, 1 eSATA Expansion Port, 100-240VAC (12TB Capacity for Each HDD)s.