DS-7732NI-M4 32-Channel 4-Bay NVR with 8K Output for Commercial Use
A practical fit for larger camera systems that need more recording capacity, flexible storage, and centralized day-to-day management
In stock
Questions about NVR setup, storage, or compatibility? [Ask a CCTV Specialist]
Installer or Dealer? Request Trade Pricing.
Ships from Bensenville, IL
Fast Order Processing
1-Year Warranty
30-Day Return Window
The DS-7732NI-M4 is a 32-channel NVR designed for commercial systems that need higher camera capacity, centralized recording, and flexible multi-drive storage.
Four SATA bays provide more room for retention planning, while dual Gigabit network interfaces and multiple video outputs give installers additional flexibility for larger monitoring and recording environments.
Centralized Recording and Storage Benefits
- Higher Camera Capacity – Supports larger multi-camera deployments from a single recording platform.
- Flexible Storage – Four internal drive bays provide more options when planning video retention.
- Multi-Display Monitoring – Multiple independent video outputs support professional monitoring setups.
- Network Flexibility – Dual Gigabit Ethernet interfaces support larger network surveillance environments.
Recommended Applications
- Warehouses
- Distribution Centers
- Office Campuses
- Industrial Facilities
- 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 |
| Decoding & Playback | |
|---|---|
| Decoding Capacity | Up to 2 × 32 MP plus 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 and VGA simultaneous; HDMI 2 and 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 |
| Network | |
|---|---|
| Network Interface | 2 × RJ45 10/100/1000 Mbps self-adaptive Ethernet interfaces |
| 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 |
| 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 | 445 × 400 × 75 mm (17.5 × 15.7 × 3.0 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 suitable for?
The DS-7732NI-M4 is designed for larger commercial surveillance systems requiring up to 32 IP cameras. It is a practical option for warehouses, distribution centers, office campuses, schools, industrial facilities, and multi-tenant properties that need centralized recording and more flexible local storage.
Is the DS-7732NI-M4 a good fit for warehouse surveillance?
Its 32-camera capacity can support coverage across loading docks, warehouse aisles, entrances, shipping areas, offices, and selected exterior zones. Four internal drive bays also give installers more flexibility when planning recording retention for larger facilities.
Can this NVR be used in a multi-building commercial property?
It can be used as a centralized recorder for compatible network cameras distributed across larger properties or multiple network segments. Installers should plan switching, uplink bandwidth, camera addressing, retention requirements, and network topology around the complete deployment.
Is the DS-7732NI-M4 suitable for upgrading an existing 16-channel system?
It can be considered when a compatible installation needs more camera capacity or additional storage flexibility. The recorder supports up to 32 IP cameras and four internal SATA drives, but camera compatibility, network requirements, firmware, and recording settings should be checked before an upgrade.
Does the DS-7732NI-M4 include built-in PoE ports?
No. The standard DS-7732NI-M4 does not include built-in PoE camera ports. Installers should use suitable external PoE switches and plan the required PoE power budget, switching capacity, uplink bandwidth, and camera network connections separately.
Does the DS-7732NI-M4 support 8K monitor output?
Yes. The primary HDMI output supports resolutions up to 7680 × 4320 at 30 Hz. This is a local display capability and should not be confused with the camera recording resolution or decoding capacity.
Can the DS-7732NI-M4 work with high-resolution IP cameras?
The recorder supports IP camera and recording resolutions up to 32 MP under supported configurations. Ultra-high-resolution deployments should also be planned around the recorder's bandwidth and decoding limits rather than resolution alone.
How much storage can be installed in the DS-7732NI-M4?
The recorder provides four internal SATA interfaces. The international specification lists support for drives up to 16TB each, giving installers flexibility to configure storage according to camera count, recording settings, and required retention.
What should installers consider when planning networking for this NVR?
The recorder supports up to 320 Mbps incoming bandwidth and includes two Gigabit Ethernet interfaces. Camera bitrates, switch capacity, remote viewing traffic, network segmentation, and available uplink bandwidth should all be considered when designing a 32-camera system.
What are the core recording specifications of the DS-7732NI-M4?
The DS-7732NI-M4 supports up to 32 IP camera channels, up to 320 Mbps incoming bandwidth, recording resolutions up to 32 MP, four SATA interfaces, and up to 16-channel synchronized playback.