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Technical Specifications

Hikvision DS-7732NI-Q4 32-Channel 8MP Network Video Recorder

The Hikvision DS-7732NI-Q4 is a 32-channel Network Video Recorder designed for larger IP surveillance systems that require high camera capacity, dependable storage, and 4K video output. It supports IP cameras up to 8 MP, provides up to 160 Mbps of incoming bandwidth, and includes four SATA interfaces for continuous video recording.

With H.265+ compression, up to 16-channel synchronous playback, multiple VCA event capabilities, dual Gigabit Ethernet interfaces, and support for Hik-Connect and DDNS, the DS-7732NI-Q4 provides the recording and network capabilities needed for multi-camera surveillance installations.

Key Features

  • Up to 32-channel IP camera inputs
  • Supports IP camera resolutions up to 8 MP
  • H.265+, H.265, H.264+, and H.264 video formats
  • Up to 1-channel at 8 MP or 6-channel at 1080p decoding capacity
  • Up to 160 Mbps incoming bandwidth
  • Four HDD interfaces for continuous video recording
  • Up to 8 TB capacity per HDD
  • Up to 32 TB total theoretical HDD capacity across four 8 TB drives
  • H.265+ compression can reduce storage requirements by up to 75%
  • Stream-over-TLS encryption for more secure stream transmission
  • Simultaneous HDMI and VGA video outputs
  • HDMI output at up to 4K resolution
  • 16-channel synchronous playback
  • Supports multiple VCA (Video Content Analytics) events
  • Supports compatible camera smart functions including motion, line-crossing, and intrusion detection
  • Two self-adaptive 10/100/1000 Mbps Ethernet interfaces
  • Hik-Connect and DDNS support for network management
  • 64 remote connections
  • 16 alarm inputs and 4 alarm outputs

Video and Audio

IP Video Input
32 channels
Maximum IP Camera Resolution
Up to 8 MP
Incoming Bandwidth
160 Mbps
Outgoing Bandwidth
80 Mbps
HDMI Output
1 channel: 4096 × 2160/30 Hz, 3840 × 2160/30 Hz, 2560 × 1440/60 Hz, 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz
VGA Output
1 channel: 1920 × 1080/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz
Video Output Mode
HDMI/VGA simultaneous output
Audio Output
1 channel, RCA (Linear, 1 KΩ)
Two-Way Audio
1 channel, RCA (2.0 Vp-p, 1 kΩ)

Decoding and Playback

Decoding Format
H.265 / H.265+ / H.264 / H.264+
Decoding Capability
1-ch @ 8 MP (30 fps) / 6-ch @ 1080p (30 fps)
Decoding Resolution Limitation
The length or width of the camera resolution for each track cannot exceed 4096 pixels.
Synchronous Playback
16 channels
Recording Resolution
8 MP / 6 MP / 5 MP / 4 MP / 3 MP / 1080p / UXGA / 720p / VGA / 4CIF / DCIF / 2CIF / CIF / QCIF
Stream Type
Video, Video & Audio
Audio Compression
G.711ulaw / G.711alaw / G.726

Storage

SATA Interfaces
4 SATA interfaces
Maximum HDD Capacity
Up to 8 TB per disk
Maximum Supported HDD Count
4 HDDs
H.265+ Storage Efficiency
Can reduce storage space by up to 75%

Smart Functions

VCA Events
Supports multiple Video Content Analytics events
Compatible Camera Smart Functions
Configurable special camera smart functions such as motion detection, line crossing detection, intrusion detection, and other supported VCA functions

Network

Remote Connections
64
Network Protocols
TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS
Network Interfaces
2 × RJ-45 10/100/1000 Mbps self-adaptive Ethernet interfaces
Remote Network Management
Hik-Connect and DDNS
Stream Security
Stream-over-TLS encryption technology

Auxiliary Interfaces

Serial Interface
1 × RS-485 (half-duplex), 1 × RS-232
USB Interface
Front panel: 2 × USB 2.0; Rear panel: 1 × USB 2.0
Alarm Input / Output
16 / 4

Physical Interfaces

1
LAN Network Interface
2
Audio Out
3
Audio In
4
HDMI Interface
5
VGA Interface
6
RS-232 Serial Interface
7
USB Interface
8
Alarm In, Alarm Out, RS-485 Serial Interface
9
GND
10
100 to 240 VAC Power Supply
11
Power Switch

General

Power Supply
100 to 240 VAC, 50 to 60 Hz
Power Consumption
≤ 15 W without HDD
Working Temperature
-10°C to 55°C (14°F to 131°F)
Working Humidity
10% to 90%
Dimensions (W × D × H)
440 × 397 × 75 mm (17.3" × 15.6" × 3.0")
Weight
≤ 5 kg without HDD (11 lb.)

Certifications

FCC
Part 15 Subpart B, ANSI C63.4-2014
CE
EN 55032: 2015, EN 61000-3-2, EN 61000-3-3, EN 50130-4, EN 55035: 2017

Available Model

Model
DS-7732NI-Q4

Accessories

No accessories are specifically listed in the provided manufacturer datasheet.

Ideal Applications & Common Uses

Based on its 32-channel capacity, four-drive storage design, high incoming bandwidth, and support for IP cameras up to 8 MP, this NVR is suited to larger multi-camera surveillance installations.

  • Commercial security camera systems
  • Retail stores and larger retail locations
  • Warehouses and storage facilities
  • Office buildings
  • Multi-camera residential properties
  • Multi-building or larger property surveillance systems
  • Sites requiring centralized recording of up to 32 IP cameras
  • Applications requiring extended recording storage using multiple HDDs
  • Installations requiring 4K local monitor output
  • Systems using compatible VCA-enabled IP cameras

Note: These application examples are based on the recorder's published capabilities; the datasheet itself does not provide a dedicated "recommended applications" list.

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