DS-7732NI-K4/16P 32-Channel 16-Port PoE NVR with 4-Bay Storage
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The DS-7732NI-K4/16P is built for larger commercial surveillance projects that need centralized recording while keeping many camera connections directly at the recorder.
Sixteen built-in PoE ports help simplify power and network cabling for compatible cameras, while four internal drive bays provide more flexibility when planning longer recording retention across higher-camera-count systems.
Installation and Storage Benefits
- Direct PoE Connections – Sixteen built-in PoE ports help reduce separate power and switching hardware.
- Higher Camera Capacity – Supports up to 32 IP cameras for larger commercial deployments.
- Flexible Storage – Four internal drive bays provide more options for recording retention.
- Centralized Management – Keeps live viewing, recording, playback, and system management in one platform.
Recommended Applications
- Warehouses
- Distribution Centers
- Commercial Offices
- Schools
- Industrial Facilities
- Large Retail Properties
- Multi-Tenant Buildings
- Security Monitoring Rooms
| Video Input | |
|---|---|
| IP Camera Inputs | Up to 32 channels |
| IP Camera Resolution | Up to 8 MP |
| Incoming Bandwidth | Up to 256 Mbps |
| Outgoing Bandwidth | Up to 160 Mbps |
| Video & Recording | |
|---|---|
| Recording Resolution | 12 MP / 8 MP / 6 MP / 5 MP / 4 MP / 3 MP / 1080p / UXGA / 720p / VGA / 4CIF / DCIF / 2CIF / CIF / QCIF |
| Video Compression | H.265+, H.265, H.264+, H.264 |
| Smart Camera Integration | |
|---|---|
| VCA Events | Supports multiple VCA events from compatible cameras |
| Smart Camera Functions | Supports compatible motion, line crossing, intrusion, ANPR/LPR, and related camera-side functions |
| Decoding & Playback | |
|---|---|
| Decoding Capacity | 1 × 12 MP, 2 × 8 MP, 4 × 4 MP, or 8 × 1080p at 30 fps |
| Synchronized Playback | Up to 16 channels |
| Video Output | |
|---|---|
| HDMI Output | 1 × HDMI |
| Maximum HDMI Resolution | Up to 4K, 3840 × 2160 at 30 Hz |
| VGA Output | 1 × VGA, up to 1920 × 1080 at 60 Hz |
| Video Output Mode | Independent HDMI and VGA outputs |
| Storage | |
|---|---|
| Internal Storage | 4 × SATA interfaces |
| Maximum HDD Capacity | Up to 10 TB per HDD |
| PoE | |
|---|---|
| PoE Ports | 16 × RJ45 10/100 Mbps PoE ports |
| PoE Standards | IEEE 802.3af, IEEE 802.3at |
| Total PoE Power Budget | Up to 200 W |
| Network | |
|---|---|
| Network Interface | 1 × RJ45 10/100/1000 Mbps Ethernet interface |
| Remote Connections | Up to 128 |
| Audio | |
|---|---|
| Audio Input | 1 × RCA |
| Audio Output | 1 × RCA |
| Two-Way Audio | Supported through the RCA audio input |
| Alarm & Serial Interfaces | |
|---|---|
| Alarm Input | 16 channels |
| Alarm Output | 4 channels |
| RS-485 | 2 × half-duplex interfaces |
| RS-232 | 1 × interface |
| USB | |
|---|---|
| USB Interface | Front: 2 × USB 2.0; Rear: 1 × USB 3.0 |
| Power | |
|---|---|
| Power Supply | 100–240 VAC, 50/60 Hz |
| Power Consumption | ≤ 20 W without HDD and with PoE off |
| Physical & Environmental | |
|---|---|
| Chassis | 1.5U rack-mount |
| Dimensions | 445 × 400 × 71 mm (17.5 × 15.7 × 2.8 in) |
| Weight | ≤ 5 kg (11 lb) without HDD |
| Operating Temperature | -10°C to 55°C (14°F to 131°F) |
| Operating Humidity | 10% to 90% |
Find answers to common questions about camera compatibility, channel capacity, PoE connectivity, recording, storage, remote viewing, and system installation.
What size commercial projects is the DS-7732NI-K4/16P suitable for?
The DS-7732NI-K4/16P is designed for commercial surveillance systems requiring up to 32 IP cameras. It is a practical choice for warehouses, distribution centers, schools, offices, industrial sites, and larger retail properties that need centralized recording and multiple local storage drives.
Is the DS-7732NI-K4/16P suitable for warehouse surveillance?
Its 32-camera capacity can support coverage across loading docks, warehouse aisles, entrances, shipping areas, offices, and exterior locations. Four SATA bays also provide more flexibility when planning retention for larger warehouse deployments.
Can this NVR be used in schools or larger office buildings?
Yes. Compatible cameras can cover entrances, corridors, offices, common areas, parking areas, and other monitored locations. The final network, PoE, and storage design should be planned around the site's camera count and recording requirements.
Can the DS-7732NI-K4/16P be used for an existing surveillance system expansion?
It can be considered for compatible upgrades where more camera channels, direct PoE connections, or additional storage capacity are required. Installers should verify camera compatibility, firmware, bandwidth, PoE requirements, and existing network infrastructure before deployment.
Why does a 32-channel NVR have only 16 built-in PoE ports?
The recorder supports up to 32 IP cameras but provides 16 direct PoE connections. Additional compatible cameras can connect through external PoE switches or other network infrastructure, subject to the recorder's channel and bandwidth limits.
Does the DS-7732NI-K4/16P provide intelligent analytics by the recorder?
This model is primarily a recording platform rather than an NXI intelligent recorder. It can receive supported VCA and smart events from compatible cameras, so available analytics depend on the connected camera and system configuration.
Does this NVR support 4K monitor output?
Yes. The HDMI output supports resolutions up to 3840 × 2160 at 30 Hz. This is the local display resolution and is separate from the camera input and recording resolution specifications.
How much storage can be installed in the DS-7732NI-K4/16P?
The recorder provides four internal SATA interfaces and supports hard drives up to 10TB per bay on the referenced configuration. Actual retention depends on camera count, bitrate, resolution, frame rate, compression, recording schedule, and scene activity.
What should installers consider when using all 16 PoE ports?
The sixteen built-in PoE interfaces share a total power budget of up to 200W. Installers should calculate the power requirement of each connected camera and keep the combined load within the recorder's supported PoE budget.
What are the main specifications of the DS-7732NI-K4/16P?
The recorder supports up to 32 IP camera channels, includes 16 built-in PoE ports, provides up to 256 Mbps incoming bandwidth, includes four SATA drive bays, supports 16-channel synchronized playback, and provides HDMI output up to 4K.