Skip to content

Technical Specifications

Hikvision DS-7732NI-M4/24P — M Series 8K NVR (32-Channel, 24-Port PoE)

Professional 32-channel NVR with 24 independent PoE ports, ultra-high incoming bandwidth, and 8K HDMI output for large-scale deployments. Designed for reliability and security with H.265+ storage savings, encrypted streaming, and double verification for playback/downloads—ideal for multi-camera businesses that need smooth, secure, long-retention recording. 

Key Features

  • Up to 32-ch IP inputs with decoding up to 32 MP and 320 Mbps incoming bandwidth. 
  • 8K HDMI video output (HDMI 1) and independent dual 4K HDMI output support. 
  • H.265+ compression to reduce storage space usage by up to 75% and dual-stream recording.
  • 24 independent PoE interfaces (IEEE 802.3 af/at) with ≤210 W PoE power budget. 
  • Encrypted streaming (stream over TLS) + double verification for playback/downloading. 
  • Up to 4 SATA interfaces (≤16 TB each), 16-ch synchronous playback
  • Multiple VCA events, configurable smart functions (ANPR, people counting, heat map, line crossing, intrusion), and POS overlay/triggers. 
  • Plug-in-free web access, smooth streaming, Hik-Connect/DDNS, and ONVIF compatibility. 

Video & Audio

IP Video Input
32-ch; up to 32 MP resolution*
Note
*With Ultra HD resolution mode ON: up to 8-ch 32 MP/24 MP IP inputs
Incoming Bandwidth
320 Mbps
Outgoing Bandwidth
400 Mbps
HDMI 1 Output
8K (7680×4320)/30 Hz; 4K (3840×2160)/60/30 Hz; 2K (2560×1440)/60 Hz; 1920×1080/60 Hz; 1600×1200/60 Hz; 1280×1024/60 Hz; 1280×720/60 Hz; 1024×768/60 Hz
HDMI 2 Output
4K (3840×2160)/60/30 Hz; 2K (2560×1440)/60 Hz; 1920×1080/60 Hz; 1600×1200/60 Hz; 1280×1024/60 Hz; 1280×720/60 Hz; 1024×768/60 Hz
VGA Output
1920×1080/60 Hz; 1600×1200/60 Hz; 1280×1024/60 Hz; 1280×720/60 Hz; 1024×768/60 Hz
Video Output Mode
HDMI1/VGA simultaneous; HDMI2/VGA independent
CVBS Output
1-ch BNC (PAL 704×576; NTSC 704×480)
Audio Output
1-ch RCA (Linear, 1 kΩ)
Two-Way Audio
1-ch RCA (2.0 Vp-p, 1 kΩ; uses audio input)
Decoding Formats
H.265+/H.265/H.264+/H.264
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*
Synchronous Playback
16-ch
Decoding Capability
2-ch@32 MP (30 fps) + 2-ch@8 MP (30 fps) / 10-ch@8 MP (30 fps) / 20-ch@4 MP (30 fps) / 40-ch@1080p (30 fps)
Dual-Stream Recording
Supported
Stream Type
Video; Video & Audio
Audio Compression
G.711ulaw/G.711alaw/G.722/G.726/AAC/MP2L2

Professional & Reliability

Compression Efficiency
H.265+ reduces storage space by up to 75%
Security
Stream over TLS encryption; double verification for playback & downloading
Dual-Stream
Recording saves bandwidth

Smart & POS Functions

VCA Events
Multiple VCA supported
Special Smart Functions
Configurable per camera: motion, line crossing, intrusion, heat map, ANPR, people counting
POS Integration
POS overlay on live/playback; POS-triggered recording and alarms

Network

Remote Connections
Up to 128
Protocols
TCP/IP, DHCP, IPv4/IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS, ONVIF (v2.2), OTAP
Network Interface
1× RJ-45 10/100/1000 Mbps self-adaptive
Camera Access
ONVIF (v2.5), RTSP
Hik-Connect/DDNS
Supported
Web Access
Plug-in-free; smooth streaming

PoE

Interfaces
24× RJ-45 10/100 Mbps self-adaptive
Standard
IEEE 802.3 af/at
PoE Power
≤ 210 W

Storage & Interfaces

eSATA
1 interface
SATA
4 interfaces; up to 16 TB per disk
Serial
2× RS-485 (half-duplex), 1× RS-232
Alarm In/Out
16 in / 9 out
USB
Front: 2× USB 2.0; Rear: 1× USB 3.0
Ctrl 12V
12 VDC, 1 A for external alarm (controlled by alarm output 9)
DC 12V
12 VDC, 1 A power output

General

Power Supply
100–240 VAC, 50/60 Hz
Consumption
≤ 15 W (PoE off; without HDD)
Working Temperature
-10 °C to 55 °C (14 °F to 131 °F)
Working Humidity
10%–90%
Chassis
19-inch rack-mounted, 1.5U
Dimensions (W×D×H)
440 × 389 × 72 mm (17.3" × 15.3" × 2.8")
Weight
≤ 5 kg (without HDD; ~11 lb)

Certification

Standards
FCC Part 15 Subpart B, ANSI C63.4-2014; CE (EN 55032:2015+A1:2020, EN/IEC 61000-3-2:2019+A1:2021, EN 61000-3-3:2013+A1:2019, EN 50130-4:2011+A1:2014, EN 55035:2017+A11:2020)
Obtained Certifications
CE, REACH, WEEE, FCC, CB, RCM, KC, 运输鉴定, UL

Physical Interfaces (Rear/Front)

I/O Map
1 eSATA; 1 RS-232; 24 PoE network interfaces; VGA; ALARM IN; LAN; USB 3.0; ALARM OUT; HDMI; RS-485; AUDIO IN; AUDIO OUT; Ctrl 12V; VIDEO OUT; DC 12V; GND; AC power input; Power switch

Available Model

Model
DS-7732NI-M4/24P

Accessories (as listed in datasheet)

None specified.

Ideal Applications & Common Uses

  • Mid-to-large commercial sites needing up to 32 cameras with local PoE—retail, warehouses, schools, hospitality.
  • Control rooms requiring high-resolution walls/monitors (8K/4K outputs) and multi-channel synchronous playback.
  • Sites leveraging smart analytics (people counting, ANPR) and POS transaction overlay for audit and loss prevention.
  • Installations requiring secure streaming and controlled playback/download access.


Buyer Before & After Protection

Buyer Before & After Protection

All orders are protected, in case your item gets lost, delayed or arrives damaged. We'll make it right, zero out of pocket cost.

Get advanced protection, and even faster delivery in case of an emergency if you use Shop Pay or Paypal at checkout.

Trusted and Tested Products

Trusted and Tested Products

Every product we've added to our catalog has been thoroughly tested for reliability, durability, and real-world performance, so you’re not gambling with your safety.

In order for a product to be added it has to pass: Environmental Testing (Heat and Cold), Tamper Resistance, and for advanced systems 99% Alert Accuracy.

secure payment

Secure Payment

Shop with confidence knowing your payments are secure and your information