Product Overview
For medium-to-large commercial installations requiring high-channel recording without a rack full of external PoE switches, the DS-7732NI-I4-24 offers a 32-channel I Series NVR with 24 embedded PoE ports built directly into a 1.5RU rackmount chassis. Featuring H.265+ compression that can reduce storage consumption by up to 75% compared to standard H.264, it supports full-channel recording at up to 12MP resolution and delivers 4K UHD output via HDMI for live monitoring on high-resolution displays. Equipped with Australian AcuSense firmware, it enables connected AcuSense cameras to classify human and vehicle movements at the recorder level. It also incorporates a dual-OS design for system stability, 4 SATA HDD bays supporting up to 4 drives, long-distance PoE transmission of 100-300m per port, and Hik-Connect for remote network management. This unit is supplied with a 4TB surveillance-grade hard drive included.
Key Capabilities
24 Embedded PoE Ports
24 independent PoE interfaces built into the NVR chassis allow direct camera connection without a separate PoE switch for the first 24 channels, simplifying rack design and reducing the number of network devices required in a commercial installation.
32-Channel IP Recording
Supports connection of up to 32 IP cameras at resolutions up to 12MP, providing enough channel headroom for multi-zone commercial sites including car parks, warehouses, office floors, and external perimeters within a single recorder.
H.265+ Compression
H.265+ intelligent compression can reduce storage space requirements by up to 75% compared to H.264. With a 4TB drive included and 4 HDD bays available, this directly translates to more days of footage retained without expanding storage immediately.
AcuSense Firmware Support
Australian AcuSense firmware enables compatible AcuSense cameras to classify targets as human or vehicle at the NVR level, helping operators filter events and locate relevant footage faster without manually scrubbing through hours of recording.
4K HDMI and Dual-OS Design
A 4K UHD HDMI output supports live monitoring on high-resolution displays, while an additional 1080p VGA output allows connection of a secondary monitor. The dual-OS architecture is designed to maintain system stability during normal operation.
Long-Range PoE Transmission
The embedded PoE ports support long-distance network transmission of 100-300m per port, making them suitable for large commercial sites where cameras are positioned far from the head-end rack without requiring additional network infrastructure at each camera location.
Best For
- Medium-to-Large Commercial Sites: 32-channel capacity with 24 built-in PoE ports suits office buildings, retail centres, and industrial facilities requiring a single-rack recorder to handle a large camera count.
- AcuSense Camera Deployments: Australian AcuSense firmware support makes this NVR the appropriate recorder pairing for sites using Hikvision AcuSense cameras that rely on human and vehicle target classification at the recorder level.
- Installers Needing Storage Flexibility: Four SATA HDD bays allow staged storage upgrades. Starting with the included 4TB drive and adding further surveillance-grade HDDs as footage retention requirements grow.
- Rackmount Installations: The 1.5RU form factor is designed for integration into standard comms cabinets or security racks at commercial premises, keeping cabling and equipment managed within an existing rack infrastructure.
Why Choose the DS-7732NI-I4-24
The DS-7732NI-I4-24 stands apart from entry-level NVRs through its combination of 24 embedded PoE ports and a full 32-channel recording capacity in a single 1.5RU chassis. A basic 16-channel NVR with 8 PoE ports would require external PoE switching hardware and additional cabling infrastructure to reach comparable camera counts. This unit eliminates that dependency for the first 24 cameras, simplifying commissioning on larger commercial sites. With H.265+ compression at 256Mbps incoming bandwidth, 4K HDMI output, 4 HDD bays, and Australian AcuSense firmware loaded, it provides a commercially complete recording platform rather than a baseline unit requiring firmware workarounds. The included 4TB hard drive means the system is functional out of the box without an additional parts order. Available at Security Wholesalers, this NVR is suited to professional installers building out multi-zone commercial CCTV systems.
Buyer Decision Tips
PoE Port Count vs Channel Count: This NVR provides 24 PoE ports but supports 32 total channels. Cameras 25 through 32 must be connected via an external network switch rather than direct PoE from the NVR. If your design calls for more than 24 PoE-powered cameras, factor in an external PoE switch for the remaining channels when quoting the installation.
Storage Planning Across 4 Bays: The unit ships with 1 x 4TB surveillance-grade HDD installed, leaving 3 bays empty. With H.265+ compression and 32 cameras recording at typical commercial resolutions, 4TB may provide limited retention depending on motion frequency and resolution settings. Plan your HDD configuration based on required retention days before installation to avoid a return visit for storage expansion shortly after commissioning.
Key Features & Technical Specifications
| Model |
DS-7732NI-I4-24 (also known as HIK-7732NI-I4-24) |
| Recording Channels |
32 channels |
| Embedded PoE Ports |
24 independent PoE network interfaces |
| PoE Transmission Distance |
100-300m long-distance network transmission via PoE |
| Maximum Recording Resolution |
Up to 12MP per channel |
| Incoming Bandwidth |
256Mbps |
| Video Compression |
H.265+ / H.265 / H.264+ / H.264 |
| H.265+ Storage Saving |
Up to 75% reduction in storage space vs H.264 |
| HDMI Video Output |
4K UHD (3840 x 2160) |
| VGA Video Output |
1080p |
| HDD Bays |
4 x SATA interfaces |
| Included Storage |
4TB surveillance-grade hard drive |
| Form Factor |
1.5RU rackmount |
| Processor |
4-core processor |
| System Design |
Dual-OS for system stability |
| Network Interface |
Gigabit Ethernet |
| AcuSense Support |
Yes – Australian AcuSense firmware, human and vehicle classification |
| Remote Management |
Hik-Connect |
| Additional Features |
Smart search, smart playback, HDD health monitoring, VCA event support, third-party IP camera compatibility |
Ideal Use Cases
Commercial Office Buildings
A 32-channel capacity with 24 built-in PoE ports allows coverage across multiple floors, reception areas, lift lobbies, and car park entries without deploying a separate PoE switch network, reducing overall system complexity.
Retail and Shopping Centres
AcuSense firmware support allows connected AcuSense cameras to distinguish between human and vehicle activity, helping loss prevention teams filter event notifications and locate footage of specific incidents more efficiently.
Warehouses and Industrial Sites
Long-distance PoE transmission of up to 300m per port suits large warehouse and yard environments where cameras are spread across extended distances, avoiding the need for intermediate network equipment at each camera run.
Education and Campus Facilities
The combination of 32 channels, 4K monitoring output, and smart playback tools supports schools and campus facilities that need to cover high-traffic areas and retrieve specific footage quickly for incident review.
Comms Cabinet and Rack Deployments
The 1.5RU rackmount form factor integrates cleanly into standard comms cabinets on commercial premises, keeping the CCTV head-end alongside other network equipment in a managed, secure enclosure.
Choosing the Right Model
- Choose this model if: Your installation requires up to 32 IP cameras with 24 of them powered directly by the NVR via PoE, you are deploying AcuSense cameras that need Australian AcuSense firmware at the recorder, and you need a 1.5RU rackmount chassis with 4 HDD bays for a commercial-grade installation.
- Choose a different model if: Your camera count is 16 or fewer and you do not need 24 PoE ports – a lower-channel NVR will provide the same recording functionality at a lower cost and with a smaller rack footprint. If you need more than 32 channels, a higher-channel NVR model would be required instead.
- Choose a different model if: Your installation is desktop-based rather than rack-mounted – a desktop-form-factor NVR may be more practical for smaller on-site locations without an existing comms cabinet.
FAQs
- How many cameras can be connected directly via PoE on the DS-7732NI-I4-24?
This NVR includes 24 embedded PoE ports, so up to 24 cameras can be connected directly to the recorder using a single Ethernet cable per camera for both data and power. The remaining 8 channels (channels 25-32) require cameras to be connected via an external network switch rather than direct PoE from the unit.
- What is the maximum recording resolution supported?
The DS-7732NI-I4-24 supports full-channel recording at up to 12MP resolution per channel, with a total incoming bandwidth of 256Mbps across all 32 channels. This supports high-resolution IP cameras including those recording at 4K and 8MP across the full channel count.
- Does this NVR support AcuSense human and vehicle classification?
Yes. This unit is loaded with Australian AcuSense firmware, which enables compatible Hikvision AcuSense cameras to classify detected targets as human or vehicle at the recorder level. This allows operators to filter events and perform smart playback searches based on target type rather than reviewing all motion-triggered recordings manually.
- How much storage can this NVR hold?
The NVR has 4 SATA HDD bays and is supplied with 1 x 4TB surveillance-grade hard drive pre-installed, leaving 3 bays available for expansion. The exact storage capacity when fully populated depends on the drive sizes installed. H.265+ compression helps reduce storage consumption by up to 75% compared to H.264, which directly extends how many days of footage can be retained on a given storage configuration.
- What display outputs does the DS-7732NI-I4-24 provide?
The NVR outputs 4K UHD (3840 x 2160) via HDMI and 1080p via VGA, allowing connection of two monitors simultaneously for live viewing. The 4K HDMI output is suited to large-format security monitors used in commercial control room environments.
- What is the maximum PoE cable distance per port?
The embedded PoE interfaces on this NVR support long-distance network transmission of 100-300m, which is significantly further than the standard 100m limitation on most Fast Ethernet connections. This makes the unit well suited to sites where cameras are positioned across large areas such as warehouses, yards, or multi-building campuses.
- Where can I purchase the DS-7732NI-I4-24 and add additional hard drives?
The DS-7732NI-I4-24 is available through Security Wholesalers and comes supplied with a 4TB drive included. Additional surveillance-grade HDDs in various capacities are listed separately in the hard drive section of the store, allowing you to fully populate the remaining 3 HDD bays at the time of purchase or later as retention requirements increase.
Additional Information
NEED POE FOR MORE THAN 24 CAMERAS?
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