Hikvision 64 channel 3U 4K NVR (Network Video Recorder) DS-9664NI-I16

Professional and Reliable
Dual-OS design to ensure high reliability of system running. Host and user authentication (up to 32 users)
ANR technology to enhance the storage reliability when the network is disconnected
HDD hot swap with RAID0, RAID1, RAID5, RAID6 and RAID10 storage scheme configurable
Either Normal or Hot Spare working mode is configurable to constitute an N+1 hot spare system.
Video Input and Transmission
Up to 64-ch 12 MP IP cameras can be connected
Connectable to the third-party network cameras
Compression and Recording
H.264+ compression effectively reduces the storage space and costs by up to 50%
Full channel recording at up to 12MP resolution
HD Video Output
HDMI1/VGA1 and HDMI2/VGA2 outputs provided
HDMI1 Video output at up to 4K (3840 × 2160) resolution
Storage and Playback
Up to 16 SATA interfaces and 1 eSATA interface connectable for recording and backup
Smart search for efficient playback
4-ch synchronous playback at 4K or 16-ch at 1080p resolution
Smart &POS Function
Supports multiple VCA (Video Content Analytics) events
Smart search for the selected area in the video; and smart playback to improve the playback efficiency
Supports VCA search for fire/ship/temperature/temperature difference detection triggered video files
POS information overlay on live view and playback
POS triggered recording and alarm
Network & Ethernet Access
Hik Cloud P2P & HiDDNS (Dynamic Domain Name System) for easy network management.
2 Gigabit Ethernet network interfaces