Dahua DHI-NVR4208-4KS3 NVR 8 channels 1U AI 4K 2x SATA up to 20 TB

DHI-NVR4208-4KS3 8CH 1U 2HDDs Lite Network Video Recorder

The DHI-NVR4208-4KS3 is an 8-channel NVR4000-4KS3 Lite Series Network Video Recorder, supporting resolutions up to 4K and interoperability with IP cameras up to 12 MP. The device offers AI functions implemented by the DVR and by the cameras, including SMD PLus, face detection and recognition, perimeter protection and people counting.

• Supports up to 8 IP channels.
• Max. throughput with AI disabled: 160/160/80 Mbps (input/recording/output).
• Max bandwidth with AI enabled: 80/80/60 Mbps (input/recording/output).
• Max resolution of supported IP cameras up to 12 MP.
• Two SATA slots, each for up to 20 TB of disk capacity (according to the manufacturer's documentation, the limit depends on the ambient temperature).
• Support for Smart H.265+, H.265, Smart H.264+, H.264 and MJPEG.

AI description and features

The DHI-NVR4208-4KS3 Lite Series Network DVR is designed for applications requiring detailed 4K video and can operate as edge, central or backup storage. The device features an intuitive shortcut menu for remote management and control, as well as Smart Motion Detection (SMD) on the DVR side, which distinguishes vehicles and people from other objects in real time. According to the manufacturer's documentation, when IP cameras are connected, the DVR provides a number of camera-side AI functions, such as face detection, face recognition, perimeter protection, people counting, stereo analysis and heat map.

Video, network and alarm functions

The DVR supports up to 8 IP channels with a maximum decoding capability of up to 8×1080p@30 fps with AI analytics disabled, and various combinations of streams for 12 MP, 8 MP, 6 MP, 5 MP and 4 MP resolutions. According to the manufacturer's documentation, the device offers HDMI and VGA outputs with support for resolutions up to 3840×2160 on HDMI in simultaneous mode, as well as 1/4/8/9 window display modes on the main and secondary screens. The DVR provides a number of alarm functions, including general, anomaly and smart alarms, with links such as recording, photos, IPC alarm output, audio, buzzer, log, preset and email.

Specifications

Technical data source:manufacturer's documentation DAHUA datasheet of model DHI-NVR4208-4KS3 Dokumentacja producenta

FAQ - frequently asked questions

• How many IP channels does the DHI-NVR4208-4KS3 DVR support?
  The DVR supports 8 IP channels.
• What is the maximum resolution of supported IP cameras?
  According to the manufacturer's documentation, IP cameras with up to 12 MP resolution are supported.
• What video compression formats are supported?
  Smart H.265+, H.265, Smart H.264+ and H.264 are supported.
• What audio compression formats are supported?
  G.711a, G.711u, PCM and G726 are supported.
• What is the maximum network throughput with AI functions disabled?
  With AI disabled, the maximum throughput is 160 Mbps for input, 160 Mbps for recording, and 80 Mbps for output.
• What is the maximum network throughput with AI functions enabled?
  With AI enabled, the maximum throughput is 80 Mbps for input, 80 Mbps for recording and 60 Mbps for output.
• How many hard drives can be installed in the DVR?
  The DVR has 2 SATA ports.
• What is the maximum capacity of a single hard drive?
  Each drive can have a capacity of up to 20 TB, with the limit depending on the ambient temperature, according to the manufacturer's documentation.
• What are the video outputs on the DVR?
  The DVR has one HDMI output and one VGA output.
• What resolutions does the HDMI output support in simultaneous mode?
  HDMI supports resolutions of 3840×2160, 1920×1080, 1280×1024 and 1280×720.
• What resolutions does the VGA output support in simultaneous mode?
  VGA supports 1920×1080, 1280×1024 and 1280×720 resolutions.
• What multiscreen display modes are available?
  1/4/8/9 window layouts are available on the main and auxiliary screens.
• What camera-side AI functions are supported?
  Face detection, face recognition, perimeter protection, SMD PLus, peopLe counting, stereo analysis and heat map are supported.
• How many SMD PLus channels implemented by the DVR are available?
  According to the manufacturer's documentation, SMD PLus by Recorder supports 4 channels.
• How many channels of AI analysis on the camera side are available for SMD PLus functions?
  SMD PLus by Camera supports 6 channels.
• What network protocols are supported?
  Supported protocols include HTTP, HTTPS, TCP/IP, IPv4, IPv6, UDP, NTP, DHCP, DNS, SMTP, UPnP, IP Filter, FTP, DDNS, SNMP, Alarm Server, P2P, Auto Registration, and IP Search.
• What web browsers does the DVR work with?
  According to the manufacturer's documentation, Chrome, IE, Safari, Edge and Firefox are supported.
• What is the operating temperature range of the device?
  The operating temperature range is -10 °C to +55 °C.
• How is the DHI-NVR4208-4KS3 DVR powered?
  The DVR is powered by 12 VDC, 4 A.
• What is the total power of the DVR without HDDs installed?
  According to the manufacturer's documentation, the total power consumption of the DVR is less than 10 W (without HDD).

The DHI-NVR4208-4KS3 is an 8-channel network DVR from the Lite series, designed to work with IP cameras with resolutions up to 12 MP and supporting decoding up to 8×1080p@30 fps. According to the manufacturer's documentation, it offers powerful AI functions and flexible archiving capabilities, allowing it to be used in many types of installations.