professional-grade 32-channel, 16 PoE, K-Series AcuSense Network Video Recorder (NVR)-DS-7732NXI-K4/16P (E)

Hikvision DS-7732NXI-K4/16P(E) – 32-Channel 16 PoE K Series AcuSense 4K NVR

The Hikvision DS-7732NXI-K4/16P(E) is a professional 32-channel 1.5U K Series AcuSense 4K Network Video Recorder (NVR) designed for medium to large-scale IP CCTV surveillance systems. The Hikvision DS-7732NXI-K4/16P(E) supports up to 32 IP camera channels and features 16 built-in PoE interfaces, providing convenient plug-and-play connectivity for compatible PoE network cameras.

The Hikvision DS-7732NXI-K4/16P(E) is designed for security installations that require centralized video recording, intelligent analytics, PoE connectivity, and dependable storage. With up to 256 Mbps incoming bandwidth, the Hikvision DS-7732NXI-K4/16P(E) can handle high-volume network video streams from multiple IP cameras.

Featuring Hikvision AcuSense technology, the Hikvision DS-7732NXI-K4/16P(E) helps reduce false alarms by using human and vehicle target classification. It supports intelligent functions including Motion Detection 2.0, perimeter protection, facial recognition, smart search, and smart playback, depending on the configuration and connected cameras.

The Hikvision DS-7732NXI-K4/16P(E) supports H.265+, H.265, H.264+, and H.264 video compression formats. H.265+ compression can significantly reduce storage and bandwidth requirements compared with conventional compression, making the Hikvision DS-7732NXI-K4/16P(E) suitable for installations requiring extended video retention.

For local storage, the Hikvision DS-7732NXI-K4/16P(E) provides four SATA interfaces for HDD installation. The published specifications for this model list support for up to 10 TB per HDD, providing substantial storage capacity for continuous surveillance recording.

The Hikvision DS-7732NXI-K4/16P(E) supports high-resolution video output through HDMI and VGA interfaces, with HDMI supporting up to 4K (3840 × 2160) at 30 Hz. This allows operators to view live and recorded surveillance footage on compatible high-resolution monitors.

For network connectivity, the Hikvision DS-7732NXI-K4/16P(E) features a 10/100/1000 Mbps self-adaptive Ethernet interface and supports Hik-Connect for convenient remote network management. It also supports ONVIF and other network protocols for integration with compatible surveillance equipment.

The Hikvision DS-7732NXI-K4/16P(E) provides 16 independent PoE ports supporting IEEE 802.3af/at, with a total PoE power capability of up to 200 W. This allows compatible IP cameras to receive power and network connectivity through a single Ethernet cable, simplifying installation and reducing cabling requirements.

With its 1.5U rack-mount chassis, the Hikvision DS-7732NXI-K4/16P(E) is well suited to professional security rooms, offices, commercial buildings, warehouses, schools, hotels, and other locations requiring centralized IP video surveillance.

Key Specifications

Product Type: 32-Channel 1.5U AcuSense 4K Network Video Recorder
Model: DS-7732NXI-K4/16P(E)
IP Camera Inputs: Up to 32 channels
PoE Interfaces: 16 × RJ45 10/100 Mbps PoE ports
PoE Standard: IEEE 802.3af / IEEE 802.3at
PoE Power: Up to 200 W total
Incoming Bandwidth: Up to 256 Mbps
Outgoing Bandwidth: Up to 160 Mbps
Video Compression: H.265+ / H.265 / H.264+ / H.264
Maximum Recording Resolution: Up to 16 MP depending on configuration
Decoding Capability: Up to 3-ch @ 12 MP / 5-ch @ 8 MP / 10-ch @ 4 MP / 20-ch @ 1080p
Synchronous Playback: Up to 16 channels
HDMI Output: Up to 4K (3840 × 2160) @ 30 Hz
VGA Output: Up to 1920 × 1080 @ 60 Hz
HDD Interfaces: 4 × SATA
HDD Capacity: Up to 10 TB per HDD
Network Interface: 1 × RJ45 10/100/1000 Mbps
Alarm Inputs/Outputs: 16 inputs / 4 outputs
USB Interfaces: 2 × USB 2.0 + 1 × USB 3.0
Audio Input/Output: 1-ch RCA / 1-ch RCA
Chassis: 1.5U
Power Supply: 100–240 VAC, 50/60 Hz
Power Consumption: ≤20 W without HDD and PoE off
Operating Temperature: -10°C to 55°C
Dimensions: Approximately 445 × 400 × 75 mm
Weight: ≤5 kg without HDD

Key Features

• 32-channel IP camera support provides centralized recording for medium and large CCTV installations.

• 16 built-in PoE ports provide convenient plug-and-play connectivity for compatible IP cameras.

• 200 W PoE power budget supports multiple connected PoE surveillance devices.

• IEEE 802.3af/at PoE support provides compatibility with standard PoE and PoE+ cameras.

• 256 Mbps incoming bandwidth supports multiple high-resolution IP video streams.

• 160 Mbps outgoing bandwidth supports efficient network video transmission.

• AcuSense technology helps reduce false alarms by distinguishing human and vehicle targets.

• Motion Detection 2.0 provides intelligent motion analysis across supported channels.

• Perimeter protection supports intelligent detection functions such as intrusion and line-crossing events.

• Facial recognition support provides face detection, comparison, capture, and search functions with compatible configurations.

• Smart search and playback help operators quickly locate relevant surveillance footage.

• H.265+ compression helps reduce storage requirements and network bandwidth usage.

• H.265/H.264+/H.264 compatibility provides flexible support for different IP camera streams.

• 4K HDMI output provides high-resolution local surveillance monitoring.

• 16-channel synchronous playback allows multiple camera recordings to be reviewed simultaneously.

• Four SATA HDD interfaces provide substantial internal recording storage.

• Gigabit Ethernet interface provides high-speed connection to the wider network.

• Hik-Connect support enables convenient remote management and surveillance access.

• ONVIF support allows integration with compatible third-party network cameras.

• TLS-encrypted stream transmission provides additional network communication security.

• 1.5U rack-mount chassis makes the NVR suitable for professional surveillance equipment racks.

Recommended Applications

The Hikvision DS-7732NXI-K4/16P(E) is suitable for:

• Commercial CCTV surveillance

• Offices and corporate buildings

• Warehouses and logistics facilities

• Schools and educational institutions

• Hotels and hospitality facilities

• Retail stores and shopping centres

• Industrial facilities

• Large residential properties

• Security control rooms

• Parking areas

• Perimeter security

• Human and vehicle detection systems

• Facial recognition applications

• PoE IP camera installations

• Centralized NVR surveillance systems

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