64 Channel NVR with 4K Support and 8 HDD Slots • 64 IP Channel Inputs; 4K HDMI, 1/1 Audio I/O and 2/1 Alarm I/O • 12MP, 8MP, 5MP, 4MP, 3MP, 2MP, 720p, D1 and CIF Recording Resolution • 8 SATA HDD Support (Maximum 10TB Capacity per Slot, Hard Disk Not Included)