The Hikvision DS-7732NXI-K4 is a 32-channel 1.5U 4K Network Video Recorder (NVR) from Hikvision's Pro Series, incorporating AcuSense technology. Designed for medium to large-scale surveillance systems, it offers advanced AI-driven analytics, high-resolution recording capabilities, and efficient video compression technologies.

🔑 Key Features

• Camera Inputs: Supports up to 32 IP camera inputs.

• Video Compression: Compatible with H.265+, H.265, H.264+, and H.264 formats, optimizing storage and bandwidth usage.

• Decoding Capacity:

  • AI Enabled: Up to 1 channel at 12 MP, 2 channels at 8 MP, 4 channels at 4 MP, or 8 channels at 1080p resolution.

  • AI Disabled: Up to 2 channels at 12 MP, 3 channels at 8 MP, 6 channels at 4 MP, or 12 channels at 1080p resolution.

• Bandwidth: Supports up to 256 Mbps incoming and 160 Mbps outgoing bandwidth, ensuring smooth data transmission.

• AcuSense Technology: Incorporates AI-based features like facial recognition, perimeter protection, and motion detection 2.0 to reduce false alarms and enhance security efficiency.

• Video Outputs:

  • HDMI: Up to 4K (3840 × 2160) at 30Hz.

  • VGA: Up to 1920 × 1080 at 60Hz.

  • Supports independent HDMI and VGA outputs.

• Storage:

  • Provides 4 SATA interfaces, each supporting up to 10 TB hard drive capacity, totaling up to 40 TB for video storage.

• Audio Support:

  • 1 RCA audio input and 1 RCA audio output.

  • Supports two-way audio communication.

  • Audio compression formats: G.711ulaw, G.711alaw, G.722, G.726, AAC.

🔒 AI and Security Features

• Facial Recognition:

  • Supports facial detection and analytics, including face picture comparison and search.

  • Can store up to 16 face picture libraries, with a total capacity of up to 20,000 face pictures (each ≤ 4 MB, total capacity ≤ 1 GB).

• Perimeter Protection:

  • By Device: Up to 2 channels at 4 MP resolution for human and vehicle recognition.

  • By Camera: All channels support perimeter protection.

• Motion Detection 2.0:

  • By Device: All channels up to 4 MP (up to 8 MP when enhanced SVC mode is enabled) for human and vehicle recognition.

  • By Camera: All channels support motion detection 2.0.

📦 Technical Specifications

• Power Supply: 100 to 240 VAC, 50 to 60Hz.

• Power Consumption: ≤ 20 W (without HDD).

• Operating Temperature: -10 °C to 55 °C (14 °F to 131 °F).

• Operating Humidity: 10% to 90%.

• Dimensions: 445 × 400 × 75 mm (17.5" × 15.7" × 3.0").

• Weight: ≤ 5 kg (without HDD).

• Network Interfaces:

  • 2 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interfaces.

  • Supports various network protocols including TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS, ONVIF (Profile S/G), and OTAP.

• Alarm and Control Interfaces:

  • 16 alarm inputs and 4 alarm outputs (16/9 is optional).

  • 2 RS-485 interfaces (half-duplex) and 1 RS-232 interface for external device integration.

• USB Interfaces:

  • Front panel: 2 × USB 2.0 ports.

  • Rear panel: 1 × USB 3.0 port.

📱 Remote Access and Management

• Mobile Applications: Compatible with Hik-Connect for remote viewing and management via smartphones and tablets.

• Software Support: Integrates with Hikvision's iVMS-4200 and HikCentral for centralized system management.

💡 Use Cases

• Retail Stores: Monitor customer activity and prevent theft with intelligent analytics.

• Office Buildings: Enhance security with facial recognition and perimeter protection.

• Residential Complexes: Ensure safety with efficient motion detection and remote monitoring capabilities.

For more detailed information, you can refer to the official product page: Hikvision DS-7732NXI-K4.

If you need assistance comparing this model with other Hikvision NVRs or have specific requirements, feel free to ask!