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Technical Specifications

Hikvision DS-7616NXI-K2/16P US AcuSense 16-Channel PoE NVR

The Hikvision DS-7616NXI-K2/16P US is a 16-channel AcuSense network video recorder designed for users who want more than basic recording. With 16 built-in PoE ports, up to 160 Mbps incoming bandwidth, 4K HDMI output, and smart analytics including human and vehicle recognition, it helps make larger surveillance systems easier to manage and more effective in daily use. This model is especially well suited for businesses, offices, retail stores, warehouses, schools, and larger residential properties that need dependable recording, smarter alert filtering, and centralized camera power from one recorder. If you are trying to reduce false alarms while keeping installation clean and scalable, this NVR is built for that kind of job. 

Ideal Applications

  • Retail stores that need multi-camera coverage with smarter human and vehicle filtering
  • Office buildings and commercial suites needing centralized recording for up to 16 IP cameras
  • Warehouses and industrial spaces where perimeter protection and playback efficiency matter
  • Schools, clinics, and campuses that need reliable recording, facial recognition options, and remote management
  • Larger homes, apartment properties, and mixed-use buildings that benefit from built-in PoE camera connections

These applications are based on the recorder’s 16-channel IP support, AcuSense analytics, facial recognition features, 16 PoE interfaces, 4K output, and remote connectivity features listed in the datasheet.

Common Uses

  • Monitoring entrances, exits, hallways, loading areas, parking lots, and storage rooms
  • Reducing nuisance alerts with human and vehicle recognition
  • Using facial recognition for face picture comparison, face capture, and face picture search
  • Running motion detection 2.0 and perimeter protection with supported cameras
  • Reviewing incidents faster with smart search and smart playback
  • Managing multiple PoE cameras from one recorder without adding separate PoE switches
  • Remote viewing and system management through Hik-Connect

These common uses are drawn directly from the smart functions, analytics, playback, and networking functions described across pages 1 to 3 of the PDF.

Key Features


IP Camera Inputs
Up to 16-ch IP camera inputs, plug & play with 16 power-over-Ethernet (PoE) interfaces
Video Formats
H.265+/H.265/H.264+/H.264 video formats
Decoding Capacity
Up to 2-ch@12 MP or 3-ch@8 MP or 6-ch@4 MP or 12-ch@1080p decoding capacity
Incoming Bandwidth
Up to 160 Mbps incoming bandwidth
AcuSense Technology
Adopt Hikvision Acusense technology to minimize manual effort and security costs
Motion Detection 2.0
All channels support Motion Detection 2.0
Human and Vehicle Recognition
2-ch video analysis for human and vehicle recognition to reduce false alarm
Facial Recognition
1-ch facial recognition for video stream, or 4-ch facial recognition for face picture
Smart Playback Tools
Smart search for the selected area in the video, and smart playback to improve the playback efficiency
Compression Efficiency
H.265+ compression effectively reduces the storage space by up to 75%
Secure Streaming
Adopt stream over TLS encryption technology which provides more secure stream transmission service
Video Outputs
Provide independent HDMI and VGA outputs
HDMI Resolution
HDMI video output at up to 4K resolution
Storage
Up to 2 SATA interfaces for HDD connection (up to 10 TB capacity per HDD)
Playback
16-ch synchronous playback
PoE Interfaces
16 independent PoE network interfaces
LAN Interface
1 self-adaptive 10/100/1000 Mbps Ethernet interface
Remote Management
Hik-Connect for easy network management

Buyer-Focused Summary

This NVR is designed for users who want better control over alerts, easier installation, and room to scale without adding unnecessary complexity. The built-in 16-port PoE layout helps simplify wiring, while AcuSense analytics help reduce time wasted on false alarms caused by non-human or non-vehicle movement. Add facial recognition support, smart playback, 4K local display output, and strong storage capacity, and you get a recorder built for faster review, cleaner deployment, and smarter day-to-day security management.

Model

Model
DS-7616NXI-K2/16P

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
16-ch
Incoming Bandwidth
160 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

PoE

Interface
16, RJ-45 10/100 Mbps self-adaptive Ethernet interface
Power
≤ 200 W
Standard
IEEE 802.3af/at

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
100 to 240 VAC, 50 to 60 Hz
Consumption
≤ 15 W (without HDD and PoE off)
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
≤ 3 kg (without HDD, 6.6 lb.)

Certification

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
Obtained Certification
CE, FCC, IC, CB, KC, UL, Rohs, Reach, WEEE, RCM, UKCA, LOA, BIS

Physical Interface

1
Network interfaces with PoE function
2
LAN network interface
3
AUDIO IN
4
AUDIO OUT
5
ALARM IN and OUT
6
HDMI interface
7
VGA interface
8
USB interface
9
GND
10
Power supply
11
Power switch

Available Model

Available Model
DS-7616NXI-K2/16P

Important Note

Analytics Limitation
Facial recognition, motion detection 2.0 or perimeter protection cannot be enabled at the same time.

Accessories Found in the PDF

Optional accessory for rack-mounting
Mounting ear

The dimension diagram on page 5 labels a mounting ear as an optional accessory for rack-mounting. No other included accessories are explicitly listed in the datasheet.

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