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Technical Specifications

Hikvision DS-7632NXI-K2 32-ch 4K AcuSense NVR

If you’re trying to manage a lot of cameras without babysitting false alerts all day, the DS-7632NXI-K2 is built for that. You get up to 32 IP camera inputs, smart analytics support (including Motion Detection 2.0), and 4K HDMI output—so the system scales cleanly while keeping playback and review fast. And with H.265+ compression, you can stretch storage further without sacrificing clarity.

Key Features

  • Up to 32-ch IP camera inputs — room to grow without replacing your recorder later.:contentReference[oaicite:0]{index=0}
  • H.265+/H.265/H.264+/H.264 video formats — flexible compatibility with modern and legacy deployments.:contentReference[oaicite:1]{index=1}
  • Up to 256 Mbps incoming bandwidth — handles higher camera counts and bitrates more comfortably.:contentReference[oaicite:2]{index=2}
  • All channels support Motion Detection 2.0 — helps cut nuisance triggers so you’re responding to the right events.:contentReference[oaicite:3]{index=3}
  • Independent HDMI and VGA outputs + 4K HDMI — easier to run a primary display and a secondary monitor without compromises.:contentReference[oaicite:4]{index=4}
  • Up to 2 SATA interfaces (up to 10 TB each) — straightforward expansion for longer retention times.:contentReference[oaicite:5]{index=5}:contentReference[oaicite:6]{index=6}

Ideal Applications

Multi-camera sites that need reliable recording, efficient playback, and fewer false alarms—without turning the NVR into a daily chore.

  • Warehouses, distribution, and logistics yards
  • Retail chains and shopping centers
  • Schools, campuses, and municipal buildings
  • Office buildings with multiple floors / entrances
  • Small-to-mid enterprise security rooms needing 4K display output

Accessories Found

  • Not specified in the datasheet (HDDs are not included; weight and power figures are listed “without HDD”).:contentReference[oaicite:7]{index=7}

Intelligent Analytics

AI by Device
Facial recognition, perimeter protection, motion detection 2.0
AI by Camera
Facial recognition, perimeter protection, throwing objects from building, motion detection2.0, ANPR, VCA

Facial Recognition

Facial Detection and Analytics
Face picture comparison, human face capture, face picture search
Face Picture Library
Up to 16 face picture libraries, with up to 20,000 face pictures in total (each picture ≤ 4 MB, total capacity ≤ 1 GB)
Facial Detection and Analytics Performance
1-ch, 8 MP
Face Picture Comparison
4-ch

Motion Detection 2.0

By Device
All channels, 4 MP (when enhanced SVC mode is enabled, up to 8 MP) video analysis for human and vehicle recognition to reduce false alarm
By Camera
All channels

Perimeter Protection

By Device
2-ch, 4 MP (HD network camera, H.264/H.265) video analysis for human and vehicle recognition to reduce false alarm
By Camera
All channels

Video and Audio

IP Video Input
32-ch
Incoming Bandwidth
256 Mbps
Outgoing Bandwidth
160 Mbps
HDMI Output
1-ch, 4K (3840 × 2160)/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
1-ch, 1920 × 1080/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz
Video Output Mode
HDMI/VGA independent output
CVBS Output
N/A
Audio Output
1-ch, RCA (2.0 Vp-p, 1 KΩ, using the audio input)
Two-Way Audio
1-ch, RCA (Linear, 1 KΩ)

Decoding

Decoding Format
H.265/H.265+/H.264+/H.264
Recording Resolution
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
AI on: 1-ch@12 MP (30 fps)/2-ch@8 MP (30 fps)/4-ch@4 MP (30 fps)/8-ch@1080p (30 fps) AI off: 2-ch@12 MP (30 fps)/3-ch@8 MP (30 fps)/6-ch@4 MP (30 fps)/12-ch@1080p (30 fps)
Stream Type
Video, Video & Audio
Audio Compression
G.711ulaw/G.711alaw/G.722/G.726/AAC

Network

Remote Connection
128
API
ONVIF (profile S/G); SDK; ISAPI
Compatible Browser
IE11, Chrome V57, Firefox V52, Safari V12, Edge V89, or above version
Network Protocol
TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS
Network Interface
1 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface

Auxiliary Interface

SATA
2 SATA interfaces
Capacity
Up to 10 TB capacity for each HDD
USB Interface
Front panel: 1 × USB 2.0; Rear panel: 1 × USB 2.0
Alarm In/Out
4/1

General

GUI Language
English, Russian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Turkish, Japanese, Danish, Swedish Language, Norwegian, Finnish, Korean, Traditional Chinese, Thai, Estonian, Vietnamese, Croatian, Slovenian, Serbian, Latvian, Lithuanian, Uzbek, Kazakh, Arabic, Ukrainian, Kyrgyz , Brazilian Portuguese, Indonesian
Power Supply
12 VDC, 3.3 A
Consumption
≤ 15 W (without HDD)
Working Temperature
-10 °C to 55 °C (14 °F to 131 °F)
Working Humidity
10% to 90%
Dimension (W × D × H)
385 mm × 315 mm × 52 mm (15.2"× 12.4" × 2.0")
Weight
≤ 1 kg (without HDD, 2.2 lb.)

Certification

Certification
FCC Part 15 Subpart B, ANSI C63.4-2014
Certification
CE EN 55032: 2015, EN 61000-3-2, EN 61000-3-3, EN 50130-4, EN 55035: 2017
Obtained Certification
CE, FCC, IC, CB, KC, UL, Rohs, Reach, WEEE, RCM, UKCA, LOA, BIS

Physical Interface

1
LAN network interface
2
AUDIO IN and AUDIO OUT
3
ALARM IN and ALARM OUT
4
HDMI interface
5
VGA interface
6
USB interface
7
Power supply
8
Power switch
9
GND

Available Model

Available Model
DS-7632NXI-K2


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