NVR 32 channels IP Dahua DHI-NVR4232-EI 1U 2HDD WizSense AI up to 16 MP

Dahua DHI-NVR4232-EI 32CH 1U 2HDDs WizSense Network Video Recorder

The Dahua DHI-NVR4232-EI is a 32-channel WizSense network video recorder with 2 hard drive bays and advanced AI features. The device supports camera resolutions up to 16 MP, advanced image analysis algorithms and high network bandwidth, according to the manufacturer's documentation.

• 32 IP channels with support for cameras up to 16 MP resolution.
• Support for Smart H.265+, H.265, Smart H.264+, H.264 and MJPEG.
• Maximum network throughput: up to 256 Mbps (with AI functions disabled).
• Advanced AI functions: face detection, face recognition, perimeter protection, SMD PLus.
• 2 SATA drive slots, each up to 20 TB (actual maximum capacity dependent on ambient temperature).
• HDMI 4K and VGA video outputs with configurable simultaneous or differentiated display.

WizSense series description and features

The Dahua WizSense series, according to the manufacturer's documentation, is based on autonomous AI and deep learning algorithms, focusing on precise recognition of people and vehicles. The DHI-NVR4232-EI Series NVR4000-EI offers high accuracy in facial recognition, perimeter protection and SMD (Smart Motion Detection), and when paired with selected IPC cameras, enables the use of QuickPick to quickly search and select human and vehicle targets in recordings.

Intelligent AI functions and analytics

The DHI-NVR4232-EI DVR, according to the manufacturer's documentation, supports AI functions on both the DVR and connected camera sides, including face detection and recognition, perimeter protection, SMD PLus, people counting, stereo analysis, heat maps and ANPR by camera. The device allows the creation of up to 10 face databases with a total capacity of 20,000 images (2.5 GB), with the ability to add data such as name, gender, date of birth, address, document type and number, country/region and state to each image, and provides various AI modes for the DVR and cameras, according to the manufacturer's documentation.

Video configuration, networking and alarms

The DVR offers a maximum bandwidth of 256 Mbps (input, recording and output) with AI features disabled and 180 Mbps with AI features enabled, as well as the ability to decode up to 16 1080p@30 fps channels or 4 8 MP@30 fps channels, with different combinations depending on AI enablement, according to the manufacturer's documentation. The device supports multiple network protocols (including. HTTP, HTTPS, TCP/IP, IPv4/IPv6, RTSP, UPnP, SNMP, SMTP, NTP, DHCP, DNS, PPPoE, DDNS, FTP, P2P) and various types of alarms (motion, masking, video loss, scene change, PIR and external IPC alarms, disk and network errors, audio detection), as well as alarm links such as recording, still images, IPC alarm outputs, audio, buzzer, log, preset and email.

Specifications

Technical data source:manufacturer's documentation DAHUA datasheet of model DHI-NVR4232-EI Dokumentacja producenta

FAQ - frequently asked questions

• How many IP channels does the DHI-NVR4232-EI DVR support?
  The DHI-NVR4232-EI DVR supports 32 IP channels, according to the manufacturer's documentation.
• What maximum camera resolution does this DVR support?
  The device supports cameras with up to 16 MP resolution, according to the manufacturer's documentation.
• What video compression formats are supported?
  The DVR supports Smart H.265+, H.265, Smart H.264+, H.264 and MJPEG, according to the manufacturer's documentation.
• What is the maximum network bandwidth with AI functions disabled?
  With AI functions disabled, the throughput is 256 Mbps for input, 256 Mbps for write, and 256 Mbps for output, according to the manufacturer's documentation.
• What is the maximum network throughput with AI functions enabled?
  With AI functions enabled, the throughput is 180 Mbps for input, 180 Mbps for write and 180 Mbps for output, according to the manufacturer's documentation.
• How many hard drives can be mounted in this DVR?
  The device has 2 SATA ports for hard drives, according to the manufacturer's documentation.
• What is the maximum capacity of one hard drive?
  The maximum capacity of one drive is up to 20 TB, with the maximum HDD capacity depending on the ambient temperature, according to the manufacturer's documentation.
• What AI functions are available on the recorder side?
  AI by Recorder supports face detection, face recognition, perimeter protection and SMD, according to the manufacturer's documentation.
• What AI functions are available on the camera side?
  AI by Camera supports face detection, face recognition, perimeter protection, SMD, ANPR, peopLe counting, stereo analysis and heat map, according to the manufacturer's documentation.
• How many face databases can the recorder support?
  The recorder supports up to 10 face databases with a total of 20,000 images and a total capacity of 2.5 GB, according to the manufacturer's documentation.
• What information can be assigned to a single face image in the database?
  Name, gender, birthday, address, credential type, credential No., countries & regions, and state can be added to a face image, according to the manufacturer's documentation.
• What output resolutions does the HDMI connector support?
  HDMI output supports resolutions of 3840 × 2160, 1920 × 1080, 1280 × 1024, and 1280 × 720, according to the manufacturer's documentation.
• What output resolutions does the VGA connector support?
  The VGA output supports 1920 × 1080, 1280 × 1024, and 1280 × 720 resolutions, according to the manufacturer's documentation.
• Can the HDMI and VGA outputs work simultaneously?
  The manufacturer's documentation states that simultaneous or differentiated video output to VGA and HDMI is configurable.
• What multi-screen display modes are available?
  The first screen supports 1/4/8/9/16/25/36 layouts, and the second screen supports 1/4/8/9/16, according to the manufacturer's documentation.
• What network interfaces does the DVR have?
  The DVR has one 10/100/1000 Mbps RJ-45 Ethernet port, according to the manufacturer's documentation.
• What are the operating temperature ranges of the device?
  The operating temperature is -10 °C to +55 °C, according to the manufacturer's documentation.
• What are the dimensions of the recorder?
  The dimensions of the product are 375 mm × 284.3 mm × 53 mm (W × D × H), according to the manufacturer's documentation.
• What certification standards does the device meet?
  The DVR is certified by the FCC (47 CFR FCC Part15, Subpart B, Class A), CE-EMC (including EN 55032:2015+A1:2020 and other listed standards), and CE-LVD EN 62368-1:2014, according to the manufacturer's documentation.
• What optional accessories are listed in the documentation?
  The manufacturer's documentation lists the optional accessories PFH101 and PFH101-DH920C1.

The Dahua DHI-NVR4232-EI DVR provides 32-channel IP recording, support for high resolutions up to 16 MP, and advanced AI features for video detection and analysis, according to the manufacturer's documentation. The device offers extensive support for network protocols, various display modes, alarms and integration with third-party cameras for flexible installation configuration, according to the manufacturer's documentation.