DS-7732NI-M4/24P 32-Channel 24-Port PoE 4-Bay NVR with 8K Output
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The DS-7732NI-M4/24P is designed for larger commercial surveillance projects that need centralized recording, high camera capacity, and more direct PoE connections from the recorder.
Twenty-four built-in PoE ports help reduce separate switching hardware for many camera locations, while four SATA bays provide flexibility for longer retention and future storage expansion.
Installation and Storage Benefits
- More Direct PoE Connections – Twenty-four built-in PoE ports simplify camera power and network connections for compatible devices.
- 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 longer 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, playback, recording, 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 |
| Video Output Mode | HDMI 1/VGA simultaneous output, HDMI 2/VGA independent output |
| 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 | 24 × RJ45 10/100 Mbps PoE ports |
| PoE Standards | IEEE 802.3af, IEEE 802.3at |
| Total PoE Power Budget | Up to 210 W |
| Network | |
|---|---|
| Network Interface | 1 × RJ45 10/100/1000 Mbps self-adaptive Ethernet interface |
| Remote Connections | Up to 128 |
| Camera Access Protocol | ONVIF Version 2.5, 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-M4/24P suitable for?
The DS-7732NI-M4/24P is designed for larger commercial surveillance systems requiring up to 32 IP cameras. It is well suited to warehouses, distribution centers, industrial facilities, schools, office campuses, and larger commercial properties that benefit from centralized recording and a high number of direct PoE connections.
Is the DS-7732NI-M4/24P suitable for warehouse surveillance?
Its 32-camera capacity can support coverage across loading docks, warehouse aisles, entrances, shipping areas, offices, and exterior zones. Twenty-four built-in PoE ports can also reduce the amount of separate PoE switching required for cameras located near the recorder.
Can this NVR be used in a school or office campus?
Yes, when the overall network is designed for the project. Compatible cameras can use the recorder's built-in PoE ports or connect through external network infrastructure, allowing the system to cover entrances, corridors, offices, parking areas, and other monitored locations.
Can the DS-7732NI-M4/24P support a multi-building commercial system?
It can centralize recording for compatible cameras distributed across larger properties. Cameras beyond the direct PoE connections can be added through suitable network infrastructure, subject to the recorder's channel count, incoming bandwidth, and overall network design.
Why does this 32-channel NVR have 24 PoE ports?
The recorder supports up to 32 IP camera channels while providing 24 direct PoE camera connections. Additional compatible cameras can connect through external PoE switches or other network infrastructure, giving installers flexibility when designing larger systems.
What is the benefit of having 24 built-in PoE ports?
Twenty-four built-in PoE ports allow many cameras to connect directly to the recorder for both network data and power. This can reduce separate PoE hardware and simplify cabling in installations where a large number of cameras terminate near the NVR.
Does the DS-7732NI-M4/24P support 8K monitor output?
Yes. The primary HDMI output supports resolutions up to 7680 × 4320 at 30 Hz. This is a local display specification and should not be confused with recording resolution or simultaneous decoding capacity.
How much storage can be installed in the DS-7732NI-M4/24P?
The recorder provides four internal SATA interfaces and supports drives up to 16TB per bay according to the current specification. Actual retention depends on camera count, resolution, bitrate, frame rate, compression, recording schedule, and scene activity.
What should installers consider when using all 24 PoE ports?
The built-in PoE interfaces have a combined power budget of up to 210W. Installers should calculate each camera's power requirement and confirm that the total connected load remains within the recorder's supported PoE power budget.
What are the core specifications of the DS-7732NI-M4/24P?
The recorder supports up to 32 IP cameras, includes 24 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.