DS-7732NI-M4/16P 32-Channel 16-Port PoE 4-Bay NVR with 8K Output
A strong fit when you want fewer external switches, more storage flexibility, and one recorder for a larger camera deployment
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Ships from Bensenville, IL
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1-Year Warranty
30-Day Return Window
The DS-7732NI-M4/16P is built for larger commercial surveillance projects that need centralized recording, direct PoE connections, and more room for local video storage.
Sixteen built-in PoE ports help reduce separate camera power hardware, while four SATA bays provide flexibility for longer retention and future storage expansion across higher-camera-count installations.
Installation and Storage Benefits
- Direct PoE Connections – Sixteen built-in PoE ports simplify power and network connections for compatible cameras.
- Flexible Camera Expansion – Supports up to 32 IP cameras when additional cameras are connected through the network.
- More Storage Options – Four internal drive bays provide flexibility when planning recording retention.
- Centralized Management – Keeps recording, playback, and system monitoring in one platform.
Recommended Applications
- Warehouses
- Distribution Centers
- Industrial Facilities
- Office Campuses
- Schools
- Large Retail Properties
- Multi-Tenant Commercial Buildings
- Security Monitoring Rooms
| Video Input | |
|---|---|
| IP Camera Inputs | Up to 32 channels |
| Maximum IP Camera Resolution | Up to 32 MP |
| Incoming Bandwidth | Up to 320 Mbps |
| Outgoing Bandwidth | Up to 400 Mbps |
| Video & Recording | |
|---|---|
| Recording Resolution | 32 MP / 24 MP / 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 |
| Dual-Stream Recording | Supported |
| Smart Camera Integration | |
|---|---|
| VCA Events | Supports compatible VCA events from connected cameras |
| Special Camera Functions | Supports compatible motion, line crossing, intrusion, heat map, ANPR/LPR, and people counting functions |
| POS Functions | POS information overlay, recording, playback, and event triggering supported |
| Decoding & Playback | |
|---|---|
| Decoding Capacity | Up to 2 × 32 MP + 2 × 8 MP, 10 × 8 MP, 20 × 4 MP, or 40 × 1080p at 30 fps |
| Synchronized Playback | Up to 16 channels |
| Video Output | |
|---|---|
| HDMI Outputs | 2 × HDMI |
| Maximum HDMI 1 Resolution | Up to 8K, 7680 × 4320 at 30 Hz |
| Maximum HDMI 2 Resolution | Up to 4K, 3840 × 2160 at 60 Hz |
| VGA Output | 1 × VGA, up to 1920 × 1080 at 60 Hz |
| CVBS Output | 1 × BNC |
| Storage | |
|---|---|
| Internal Storage | 4 × SATA interfaces |
| Maximum HDD Capacity | Up to 16 TB per HDD |
| External Storage | 1 × eSATA interface |
| 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 self-adaptive Ethernet interface |
| Remote Connections | Up to 128 |
| Camera Access Protocol | ONVIF, RTSP |
| Audio | |
|---|---|
| Audio Output | 1 × RCA |
| Two-Way Audio | 1 × RCA interface using the audio input |
| Alarm & Serial Interfaces | |
|---|---|
| Alarm Input | 16 channels |
| Alarm Output | 9 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 | ≤ 15 W without HDD and with PoE off |
| Controllable Power Output | 12 VDC, 1 A |
| DC Power Output | 12 VDC, 1 A |
| Physical & Environmental | |
|---|---|
| Chassis | 19-inch rack-mounted 1.5U chassis |
| Dimensions | 440 × 389 × 72 mm (17.3 × 15.3 × 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-M4/16P suitable for?
The DS-7732NI-M4/16P is designed for commercial surveillance systems requiring up to 32 IP cameras. It is a practical option for warehouses, distribution centers, industrial facilities, schools, office campuses, and larger commercial properties that need centralized recording and built-in PoE connectivity.
Is the DS-7732NI-M4/16P suitable for warehouse surveillance?
Yes. Its camera capacity can support coverage across loading docks, warehouse aisles, entrances, shipping areas, offices, and exterior zones. Four internal storage bays also give installers more flexibility when planning retention across larger warehouse deployments.
Can this NVR be used in a school or office campus?
It can support compatible IP cameras distributed across entrances, corridors, offices, common areas, parking areas, and other monitored locations. Network architecture and switching should be planned carefully when cameras extend beyond the recorder's direct PoE connections.
Can the DS-7732NI-M4/16P support a multi-building commercial property?
Yes, provided the overall network is designed for the deployment. Cameras can connect through the recorder's built-in PoE ports or through compatible network infrastructure, allowing the NVR to centralize recording for cameras located across different areas or buildings.
Why does this 32-channel NVR have only 16 built-in PoE ports?
The recorder supports up to 32 IP camera channels but provides 16 direct PoE camera connections. Additional compatible IP cameras can be connected through external PoE switches or other suitable network infrastructure, subject to the recorder's bandwidth and system limits.
Does the DS-7732NI-M4/16P support 8K monitor output?
Yes. The primary HDMI output supports resolutions up to 7680 × 4320 at 30 Hz. This specification refers to local display output and should not be confused with recording resolution or the number of high-resolution streams that can be decoded simultaneously.
What smart camera functions can this NVR support?
The recorder can receive supported VCA and smart functions from compatible cameras, including motion, line crossing, intrusion, heat map, ANPR/LPR, and people counting. Available functions depend on the connected camera model, firmware, and system configuration.
How much storage can be installed in the DS-7732NI-M4/16P?
The recorder provides four internal SATA interfaces. The current international specification supports drives up to 16TB per bay, allowing storage capacity to be planned around camera count, bitrate, recording schedule, and required retention time.
What should installers consider when using all 16 PoE ports?
The built-in PoE interfaces have a combined power budget of up to 200W. Installers should calculate the power requirement of each connected camera and confirm that the total remains within the recorder's supported PoE budget.
What are the main specifications of the DS-7732NI-M4/16P?
The recorder supports up to 32 IP cameras, includes 16 built-in PoE ports, provides up to 320 Mbps incoming bandwidth, supports recording resolutions up to 32MP, includes four SATA bays, and provides HDMI output up to 8K.