Description
Hikvision DS-7732NXI-I4/16P/VPro 32-Channel I/VPro Series NVR with AcuSeek – 16 PoE, Guanlan AI & AcuSearch
The Hikvision DS-7732NXI-I4/16P/VPro is an advanced 32-channel I/VPro Series AcuSeek Network Video Recorder, designed for larger professional CCTV systems requiring high camera capacity, powerful AI-assisted video investigation and substantial recording storage.
Powered by Hikvision Guanlan Large-Scale AI Models, the VPro platform introduces AcuSeek natural-language video search, allowing operators to describe a person, vehicle or visual target using everyday language and rapidly search compatible recorded footage for relevant results.
Combined with AcuSearch, facial recognition, perimeter protection, Motion Detection 2.0, ANPR, video structuralisation and compatible camera-side analytics, the DS-7732NXI-I4/16P/VPro provides an intelligent surveillance platform for warehouses, commercial buildings, schools, retail centres, factories, industrial facilities, car parks and other multi-camera installations.
With 32 IP camera channels, 16 built-in PoE interfaces, 384Mbps incoming bandwidth, up to 32MP recording resolution, four SATA HDD interfaces and independent multi-monitor outputs, this recorder is designed for demanding professional surveillance environments.

Key Features
- 32-Channel IP Network Video Recorder
- 16 × Built-In PoE Camera Ports
- Hikvision I/VPro Series
- AcuSeek Natural-Language Video Search
- AcuSearch Intelligent Target Search
- Powered by Guanlan Large-Scale AI Models
- Up to 32-Channel AcuSeek
- Up to 32-Channel AcuSearch
- Up to 300,000 Target Models Per Day
- Up to 8-Channel Face Picture Comparison
- Facial Recognition
- Perimeter Protection
- Motion Detection 2.0
- Video Structuralisation
- ANPR Support
- People Counting Support
- Up to 32MP Recording Resolution
- 384Mbps Incoming Bandwidth
- 256Mbps Outgoing Bandwidth
- Up to 32 × 1080p Decoding
- 16-Channel Synchronous Playback
- H.265+ Video Compression
- Dual HDMI Outputs
- HDMI1 Up to 4K
- Independent HDMI/VGA Output
- Dual-Stream Recording
- 4 × SATA HDD Interfaces
- 16 Alarm Inputs / 4 Alarm Outputs
- Gigabit Ethernet
- USB 3.0
- Hik-Connect Remote Access
- Professional AI-Powered CCTV Recording
AcuSeek – Search CCTV Footage Using Natural Language
The defining technology of the VPro platform is:
Hikvision AcuSeek
Traditional CCTV investigation often requires an operator to identify the correct camera, select a timeframe and manually review substantial amounts of recorded video.
AcuSeek changes this workflow by allowing users to search compatible recorded footage using descriptive natural language.
Searches can be based around descriptions such as:
- Person Wearing Particular Clothing
- Person Carrying an Object
- Vehicle with Particular Characteristics
- Person Appearing in a Particular Area
- Other Visually Describable Targets
The system uses AI-powered text-image understanding to identify targets corresponding with the entered description.
For a 32-camera surveillance system, this can provide a significant improvement in investigation efficiency.
Hikvision Guanlan Large-Scale AI Models
AcuSeek is powered by:
Hikvision Guanlan Large-Scale AI Models
Guanlan provides cross-modal understanding between:
Text + Video Images
Rather than relying exclusively on predefined event filters, the system can interpret a natural-language description and compare it with compatible recorded video targets.
This creates a more intuitive method of investigating surveillance footage.
Search by Text
Hikvision describes AcuSeek as introducing:
Search by Text
to CCTV investigation.
Instead of knowing the exact time or camera where an event occurred, an operator can describe what they are looking for and use AI-assisted search to locate potential matches.
This is particularly valuable across large multi-camera systems where manually reviewing footage from dozens of cameras could otherwise take substantial time.
Up to 32-Channel AcuSeek
When compatible Hikvision AcuSense cameras support and have the required AcuSearch functionality enabled, the NVR supports:
AcuSeek Across All 32 Channels
This allows AI-assisted natural-language investigation across the full camera capacity of the recorder.
AcuSearch
The recorder also supports:
Hikvision AcuSearch
AcuSearch allows an operator to identify a human or vehicle target and search recorded footage for matching appearances.
Potential applications include investigations involving:
- Theft
- Trespassing
- Suspicious Activity
- Vehicle Incidents
- Property Damage
- Unauthorised Access
- Workplace Incidents
- Security Events
AcuSeek vs AcuSearch
The two technologies provide complementary investigation tools.
AcuSeek
Search by entering a natural-language description of a target.
AcuSearch
Select an identified human or vehicle target and search for matching appearances.
Together, AcuSeek and AcuSearch can significantly improve investigation efficiency across a large CCTV system.
Up to 300,000 Targets Per Day
With compatible AcuSense cameras and supported functionality enabled, the NVR can model up to:
300,000 Targets Per Day
for AcuSeek and AcuSearch applications.
This makes the recorder particularly suitable for busy commercial environments generating substantial volumes of video activity.
Dual AI Engines
The VPro platform incorporates:
2 AI Engines
The architecture allocates dedicated processing resources for:
- Face Picture Processing & AcuSearch
- AcuSeek
This provides the processing capability required for advanced AI-assisted video investigation.
Facial Recognition
The recorder supports facial recognition functions including:
- Face Picture Comparison
- Human Face Capture
- Face Picture Search
The NVR supports up to:
8 Channels of Face Picture Comparison
and up to:
4 Channels of Human Face Capture
under supported configurations.
Face Picture Libraries
The DS-7732NXI-I4/16P/VPro supports up to:
16 Face Picture Libraries
with up to:
50,000 Face Pictures in Total
This provides substantial capacity for compatible facial-recognition applications.
Facial recognition must be used in accordance with applicable privacy and surveillance requirements.
Advanced Intelligent Analytics
Depending on connected cameras and system configuration, supported intelligent functionality includes:
- AcuSeek
- AcuSearch
- Facial Recognition
- Face Capture
- Perimeter Protection
- Motion Detection 2.0
- Video Structuralisation
- ANPR
- People Counting
Some intelligence is provided by the recorder while other functionality requires compatible camera-side analytics.
ANPR Support
When connected to compatible Hikvision ANPR cameras, the recorder supports vehicle and number-plate information.
Supported camera-generated attributes can include:
- Plate Number
- Licence Plate Colour
- Licence Plate Type
- Vehicle Brand
- Vehicle Colour
- Vehicle Type
This makes the NVR suitable for compatible vehicle-monitoring applications.
32 IP Camera Channels
The DS-7732NXI-I4/16P/VPro supports:
32 × IP Camera Inputs
making it suitable for substantial professional CCTV installations.
Compatible cameras can include selected:
- Hikvision AcuSense Cameras
- Hikvision ColorVu Cameras
- Hikvision ColorVu 3.0 Cameras
- Hikvision DeepinView Cameras
- Hikvision ANPR Cameras
- Hikvision PTZ Cameras
- Standard Hikvision IP Cameras
- Compatible Third-Party IP Cameras
Advanced AI functionality depends on camera compatibility.
16 Built-In PoE Camera Ports
The /16P version incorporates:
16 × Built-In PoE Camera Interfaces
This allows up to sixteen compatible PoE cameras to connect directly to the recorder.
PoE carries:
- Camera Power
- Network Data
- Video
- Audio
- Intelligent Event Information
over compatible Ethernet cabling.
This provides straightforward plug-and-play connectivity for the first sixteen compatible PoE cameras.
Expanding Beyond 16 Direct PoE Cameras
An important distinction with this model is:
32 Recording Channels + 16 Built-In PoE Ports
The NVR can record up to 32 IP cameras, but only sixteen cameras can connect directly to its built-in PoE interfaces.
For installations requiring more than sixteen cameras, additional cameras can be connected through the site's network using suitable external network infrastructure such as compatible PoE switches.
This provides excellent flexibility for larger surveillance installations.
Up to 32MP Recording Resolution
The recorder supports recording resolutions including:
- 32MP
- 24MP
- 12MP
- 8MP
- 7MP
- 6MP
- 5MP
- 4MP
- 3MP
- 1080p
- Lower Supported Resolutions
This provides compatibility with a wide range of high-resolution professional IP cameras.
384Mbps Incoming Bandwidth
The DS-7732NXI-I4/16P/VPro provides:
384Mbps Incoming Bandwidth
This high bandwidth is particularly important for large multi-camera installations using high-resolution cameras.
Camera configuration should consider:
- Camera Quantity
- Resolution
- Frame Rate
- Video Bit Rate
- Audio
- Compression
- Intelligent Functions
256Mbps Outgoing Bandwidth
The recorder provides:
256Mbps Outgoing Bandwidth
supporting demanding local and remote surveillance applications.
Powerful Decoding Capability
The VPro platform provides decoding capability of up to:
32 × 1080p Channels
depending on stream configuration.
This provides strong local viewing and playback performance for large multi-camera systems.
16-Channel Synchronous Playback
The recorder supports:
16-Channel Synchronous Playback
allowing footage from multiple cameras to be reviewed simultaneously during an investigation.
H.265+ Video Compression
Supported video compression includes:
- H.265+
- H.265
- H.264+
- H.264
- MPEG4
H.265+ can help reduce network bandwidth and HDD storage requirements compared with older compression technologies.
Actual savings depend on camera configuration and scene activity.
Dual HDMI Outputs
The recorder provides:
2 × HDMI Outputs
providing greater flexibility for professional monitoring environments.
HDMI 1
Supports up to:
4K – 3840 × 2160 @ 30Hz
HDMI 2
Supports up to:
1920 × 1080 @ 60Hz
The recorder also provides VGA output up to Full HD resolution.
Independent Video Outputs
The DS-7732NXI-I4/16P/VPro supports:
Independent HDMI/VGA Video Output
providing greater flexibility when configuring multiple monitoring displays.
This is particularly useful in:
- Security Offices
- Control Rooms
- Reception Areas
- Warehouse Offices
- Commercial Monitoring Stations
Four HDD Bays
The DS-7732NXI-I4/16P/VPro provides:
4 × SATA HDD Interfaces
This is a significant advantage over smaller two-drive NVRs.
Four HDD bays provide substantially greater recording capacity for systems with large numbers of high-resolution cameras.
HDD: Select storage capacity from available options
High-Capacity Surveillance Storage
Storage requirements depend on:
- Number of Cameras
- Camera Resolution
- Frame Rate
- Video Bit Rate
- H.265+ Compression
- Audio Recording
- Continuous or Event Recording
- Required Retention Period
For a 32-camera professional system, surveillance-rated HDDs and appropriate storage calculations are strongly recommended.
16 Alarm Inputs / 4 Alarm Outputs
The NVR provides:
16 × Alarm Inputs
and:
4 × Alarm Outputs
This provides substantial integration capability for professional security installations.
Compatible alarm devices can include appropriately configured:
- Sensors
- Door Contacts
- Alarm Systems
- External Warning Devices
- Other Security Equipment
Gigabit Ethernet
The recorder provides:
Gigabit Ethernet Connectivity
supporting:
- Camera Network Integration
- Remote Viewing
- Hik-Connect
- Remote Playback
- Network Management
- System Configuration
USB Connectivity
The recorder includes USB connectivity including:
USB 3.0
for compatible external storage and video-export applications.
Remote Viewing with Hik-Connect
When correctly connected and configured, compatible Hikvision remote-access functionality can provide:
- Live Camera Viewing
- Recorded Playback
- Event Notifications
- Multi-Camera Viewing
- Remote CCTV Monitoring
- System Management
This allows authorised users to access the CCTV system while away from the site.
Ideal for Large CCTV Systems
The DS-7732NXI-I4/16P/VPro is particularly suitable for:
- Warehouses
- Factories
- Commercial Buildings
- Retail Centres
- Schools
- Industrial Sites
- Large Offices
- Car Parks
- Storage Facilities
- Building Complexes
- Multi-Tenant Properties
- Large Residential Properties
- Multi-Area Surveillance Systems
- Professional Security Installations
Why Choose a 32-Channel VPro NVR?
As camera count increases, CCTV investigation becomes increasingly challenging.
Manually searching recordings from 20, 25 or 32 cameras can consume substantial time.
The VPro platform addresses this through:
AcuSeek + AcuSearch + Guanlan AI
allowing AI-assisted investigation across compatible recorded footage.
Combined with 32-camera capacity, 384Mbps incoming bandwidth and four HDD bays, the DS-7732NXI-I4/16P/VPro is designed for larger professional installations where recording performance, storage and investigation efficiency are all priorities.
Main Specifications
- Model: DS-7732NXI-I4/16P/VPro
- Series: Hikvision I/VPro Series
- Product Type: AcuSeek Network Video Recorder
- IP Camera Inputs: 32
- Built-In PoE Interfaces: 16
- Maximum Recording Resolution: Up to 32MP
- Incoming Bandwidth: 384Mbps
- Outgoing Bandwidth: 256Mbps
- AI Platform: Hikvision Guanlan Large-Scale AI Models
- AI Engines: 2
- AcuSeek: Up to 32 Channels with Compatible AcuSense Cameras
- AcuSearch: Up to 32 Channels with Compatible AcuSense Cameras
- Target Modelling: Up to 300,000 Targets/Day with Compatible Configuration
- Face Picture Comparison: Up to 8 Channels
- Human Face Capture: Up to 4 Channels
- Face Picture Libraries: Up to 16
- Maximum Face Pictures: Up to 50,000
- Perimeter Protection: Supported
- Motion Detection 2.0: Supported
- Video Structuralisation: Supported
- ANPR: Supported with Compatible Cameras
- People Counting: Supported with Compatible Cameras
- Maximum Decoding: Up to 32 × 1080p
- Synchronous Playback: 16 Channels
- Video Compression: H.265+ / H.265 / H.264+ / H.264 / MPEG4
- Dual-Stream Recording: Supported
- HDMI Outputs: 2
- HDMI 1: Up to 4K / 3840 × 2160 @ 30Hz
- HDMI 2: Up to 1920 × 1080 @ 60Hz
- VGA Output: Up to 1920 × 1080 @ 60Hz
- Video Output: Independent
- Audio Output: 1 × RCA
- Two-Way Audio: 1 × RCA
- SATA Interfaces: 4
- Alarm Input: 16
- Alarm Output: 4
- Network: Gigabit Ethernet
- PoE: 16 × Built-In Interfaces
- USB: Includes USB 3.0
- Remote Viewing: Supported
- Hik-Connect: Supported
- Application: Large Professional AI-Powered IP CCTV Systems
Ideal For
- Hikvision AcuSense CCTV Systems
- Hikvision ColorVu CCTV Systems
- Hikvision ColorVu 3.0 Systems
- Advanced AI CCTV Installations
- Large Commercial CCTV Systems
- Warehouse Surveillance
- Factory CCTV
- Industrial Security
- Retail Centres
- Schools
- Large Offices
- Car Parks
- Building Complexes
- 16–32 Camera CCTV Systems
- AI Video Investigation
- AcuSeek Video Search
- AcuSearch CCTV Systems
- Professional Security Installations
Benefits
- 32 IP camera channels
- 16 built-in PoE interfaces
- Guanlan Large-Scale AI Models
- Natural-language AcuSeek video search
- Up to 32-channel AcuSeek
- Up to 32-channel AcuSearch
- Up to 300,000 target models per day
- Advanced facial recognition
- Perimeter protection
- Motion Detection 2.0
- ANPR compatibility
- People-counting compatibility
- Up to 32MP recording
- 384Mbps incoming bandwidth
- 256Mbps outgoing bandwidth
- Up to 32-channel 1080p decoding
- 16-channel synchronous playback
- H.265+ compression
- Dual HDMI outputs
- 4K local display
- Four HDD bays
- 16 alarm inputs / 4 alarm outputs
- Gigabit Ethernet
- USB 3.0
- Hik-Connect remote access
- Professional AI-assisted video investigation
The Hikvision DS-7732NXI-I4/16P/VPro 32-Channel I/VPro Series NVR with AcuSeek is designed for larger professional CCTV installations where camera capacity, recording bandwidth, storage and intelligent investigation are equally important.
Combining 32 IP camera channels, 16 built-in PoE ports, 384Mbps incoming bandwidth, four HDD bays and up to 32MP recording with Hikvision's Guanlan-powered AcuSeek and AcuSearch technology, it provides a powerful AI-assisted surveillance platform for demanding commercial and industrial security applications.





