Skip to content

Technical Specifications

Hikvision DS-7700NI-I4(B) Series NVR

The Hikvision DS-7700NI-I4(B) Series is a high-capacity network video recorder available in 16-channel and 32-channel configurations for larger IP surveillance systems. It supports IP cameras with resolutions up to 32 MP, HDMI output up to 4K, up to four internal SATA hard drives, and 16-channel synchronous playback.

With support for H.265+ compression, dual-stream recording, advanced VCA events, POS integration, Hik-Connect, and dual Gigabit Ethernet interfaces, the DS-7700NI-I4(B) Series provides the recording, storage, playback, and network capabilities needed for demanding multi-camera installations.

Key Features

  • H.265+, H.265, H.264+, and H.264 video formats
  • Available with 16 or 32 IP camera inputs
  • Supports IP camera resolutions up to 32 MP
  • Up to 160 Mbps incoming bandwidth on the 16-channel model
  • Up to 256 Mbps incoming bandwidth on the 32-channel model
  • Up to 256 Mbps outgoing bandwidth
  • Up to 1-channel at 32 MP decoding
  • Up to 2-channel at 12 MP decoding
  • Up to 16-channel at 1080p decoding
  • H.265+ compression can reduce storage requirements by up to 75%
  • Dual-stream recording helps save bandwidth
  • Stream-over-TLS encryption for more secure video transmission
  • Double verification support for playback and downloading
  • Independent HDMI and VGA output capabilities
  • HDMI video output up to 4K resolution
  • Up to four SATA interfaces for HDD installation
  • Up to 10 TB capacity per disk
  • 16-channel synchronous playback
  • Multiple VCA event support
  • Support for compatible camera smart functions including motion detection, line crossing, intrusion detection, heat map, ANPR, and people counting
  • POS information overlay on live view and playback
  • POS-triggered recording and alarm support
  • Two self-adaptive 10/100/1000 Mbps Ethernet interfaces
  • Hik-Connect and DDNS support
  • Smooth streaming technology
  • Web access without a plug-in

Available Models

16-Channel Model
DS-7716NI-I4(B)
32-Channel Model
DS-7732NI-I4(B)

Video and Audio

IP Video Input — DS-7716NI-I4(B)
16 channels
IP Video Input — DS-7732NI-I4(B)
32 channels
Maximum IP Camera Resolution
Up to 32 MP
Ultra HD Resolution Mode
After Ultra HD resolution mode is enabled, the NVR supports up to 4-channel 32 MP / 24 MP IP video inputs.
Incoming Bandwidth — DS-7716NI-I4(B)
160 Mbps
Incoming Bandwidth — DS-7732NI-I4(B)
256 Mbps
Outgoing Bandwidth
256 Mbps
HDMI 1 Output
4K (3840 × 2160) / 60 Hz, 4K (3840 × 2160) / 30 Hz, 1920 × 1080 / 60 Hz, 1600 × 1200 / 60 Hz, 1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz
HDMI 2 Output
1920 × 1080 / 60 Hz, 1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz
VGA Output
1920 × 1080 / 60 Hz, 1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz
Video Output Mode
HDMI 1 / VGA simultaneous output; HDMI 2 / VGA independent output
CVBS Output
1-channel, BNC (1.0 Vp-p, 75 Ω); PAL: 704 × 576; NTSC: 704 × 480
Audio Output
1-channel RCA, Linear, 1 KΩ
Two-Way Audio Input
1-channel RCA, 2.0 Vp-p, 1 KΩ, using the audio input

Decoding and Recording

Decoding Formats
H.265+ / H.265 / H.264+ / H.264 / MPEG4
Recording Resolutions
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 channels
Decoding Capability — 32 MP
1-channel @ 32 MP, 30 fps
Decoding Capability — 12 MP
2-channel @ 12 MP, 20 fps
Decoding Capability — 8 MP
4-channel @ 8 MP, 25 fps
Decoding Capability — 4 MP
8-channel @ 4 MP, 30 fps
Decoding Capability — 1080p
16-channel @ 1080p, 30 fps
Dual-Stream Recording
Supported
Stream Type
Video; Video & Audio
Audio Compression
G.711ulaw / G.711alaw / G.722 / G.726

Smart and POS Functions

Video Content Analytics
Supports multiple VCA events
Compatible Camera Smart Functions
Configurable functions can include motion detection, line crossing, intrusion detection, heat map, ANPR, and people counting.
POS Overlay
POS information can be overlaid on live view and playback.
POS Events
Supports POS-triggered recording and alarm.

Security and Recording Efficiency

H.265+ Compression
Can reduce storage space requirements by up to 75%.
Dual-Stream Recording
Helps save network bandwidth.
Secure Stream Transmission
Supports stream-over-TLS encryption technology.
Playback / Download Verification
Supports double verification

Network

Remote Connections
128
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
Streaming
Smooth streaming technology
Web Access
Supports web access without plug-in

Storage

SATA Interfaces
4 SATA interfaces
Maximum Capacity Per Disk
Up to 10 TB
Maximum Internal Capacity
Up to 40 TB when four supported 10 TB drives are installed
eSATA
1 optional eSATA interface

Auxiliary Interfaces

RS-485
1 × RS-485, half-duplex
RS-232
1 × RS-232
Alarm Input / Output
16 / 4; 16 / 8 optional
Front USB
2 × USB 2.0
Rear USB
1 × USB 3.0

Physical Interface

1
eSATA Interface
2
LAN1 and LAN2 Interfaces
3
Audio Out
4
Audio In
5
HDMI 1 and HDMI 2 Interfaces
6
USB 3.0 Interface
7
Video Out
8
VGA Output (DB9 Connector)
9
RS-232 Serial Interface
10
RS-485 Serial Interface, Controller Port, Alarm In and Alarm Out
11
GND
12
Power Switch
13
100 to 240 VAC Power Supply

General

Power Supply
100 to 240 VAC, 50 to 60 Hz
Power Consumption
≤ 20 W without HDD
Working Temperature
-10°C to 55°C (14°F to 131°F)
Working Humidity
10% to 90%
Chassis
19-inch rack-mounted 1.5U chassis
Dimensions (W × D × H)
445 × 400 × 75 mm (17.5 × 15.7 × 3.0 in.)
Weight
≤ 5 kg (11 lb), without HDD

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

Accessories

Accessories Listed in Datasheet
No separate accessories are specified in the provided datasheet.

Ideal Applications & Common Uses

Based on the recording capacity, interfaces, and smart functions documented for this series, the DS-7700NI-I4(B) is well suited to multi-camera IP surveillance installations that require centralized recording and management.

  • 16-camera or 32-camera IP surveillance systems
  • Businesses with larger multi-camera security deployments
  • Retail environments using compatible POS integration
  • Installations requiring 4K local monitor output
  • High-resolution surveillance systems using cameras up to 32 MP
  • Systems requiring up to four internal surveillance hard drives
  • Applications using compatible motion, line-crossing, or intrusion analytics
  • ANPR-enabled surveillance applications with compatible cameras
  • People-counting and heat-map applications with compatible cameras
  • Rack-mounted surveillance installations
  • Systems requiring dual Gigabit Ethernet network interfaces
  • Applications requiring remote access through Hik-Connect or web 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