DS-7732NI-I4 Hikvision 32ch IP PoE Recorder w/ HDD 1.5U 4K NVR Up to
DS-7732NI-I4 Hikvision 32ch IP PoE Recorder w/ HDD 1.5U 4K NVR Up to
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Description
Description
Hikvision DS-7700NI-I4(B) Series NVR — Built for Serious Multi-Camera Surveillance
What happens when your surveillance system grows, but your recorder becomes the part holding everything back? The Hikvision DS-7700NI-I4(B) Series gives you the recording power, storage capacity, and video output needed to manage demanding 16- or 32-camera IP security systems from one central platform.
With support for cameras up to 32 MP, four internal hard drives, 4K HDMI output, H.265+ compression, and simultaneous playback of up to 16 channels, this NVR is designed to make managing a larger surveillance system considerably easier.
Instead of choosing a recorder based only on how many cameras can plug into it, you get a platform built to handle the bandwidth, resolution, storage, playback, and smart functions that become increasingly important as your security system expands.
Why Buyers Choose the Hikvision DS-7700NI-I4(B) Series
A larger camera system creates a different question: can the recorder actually keep up with everything those cameras are sending it? The DS-7700NI-I4(B) Series combines high-resolution recording, substantial incoming bandwidth, expandable storage, multi-channel playback, and advanced network capabilities in one rack-mountable NVR.
16 or 32 IP Camera Channels — Build the System Around Your Property
Choose the DS-7716NI-I4(B) for up to 16 IP camera inputs or the DS-7732NI-I4(B) for up to 32. That gives you room to cover more entrances, parking areas, hallways, offices, warehouses, or other important areas from one recorder instead of unnecessarily dividing the system between multiple NVRs.
Up to 32 MP Camera Support — Keep the Detail Your Cameras Capture
Installing high-resolution cameras does little good if the recorder cannot properly support them. This series accepts IP camera resolutions up to 32 MP, giving you the flexibility to use very high-resolution cameras in areas where additional image detail matters.
Up to 256 Mbps Incoming Bandwidth — More Headroom for a Larger System
The 16-channel DS-7716NI-I4(B) supports up to 160 Mbps incoming bandwidth, while the 32-channel DS-7732NI-I4(B) supports up to 256 Mbps. For you, that means the recorder is designed to handle the heavier video traffic that comes with multiple IP cameras and higher recording resolutions.
H.265+ Compression — Get More From Your Storage
How much recording time are you losing simply because video files are taking more space than necessary? Hikvision states that H.265+ compression can reduce storage requirements by up to 75%, helping you use available hard-drive capacity more efficiently.
Four SATA Bays — Expand Storage as Your Recording Needs Grow
The NVR supports four SATA hard drives with capacities of up to 10 TB per disk. That gives you the ability to configure substantial internal recording storage instead of being restricted to a single-drive recorder when longer retention periods are important.
Up to 40 TB of Internal Drive Capacity — Keep More Video Available
With four supported 10 TB drives installed, the recorder can provide up to 40 TB of internal drive capacity. More available storage can mean keeping footage accessible for longer before older recordings need to be overwritten, depending on your cameras, bitrate, recording schedule, and compression settings.
16-Channel Synchronous Playback — Review More of the Scene at Once
When something happens, checking one camera at a time can make piecing the event together unnecessarily difficult. With up to 16-channel synchronous playback, you can review footage from multiple viewpoints during the same time period and build a clearer picture of what occurred.
4K HDMI Output — See Your Surveillance System in High Resolution
HDMI 1 supports output at up to 4K 3840 × 2160 resolution at 60 Hz. Connect the recorder to a compatible 4K display and take advantage of a high-resolution local viewing experience when monitoring or reviewing your cameras.
Multiple Video Outputs — More Flexible Monitoring
The recorder provides two HDMI interfaces along with VGA and CVBS output capabilities. This gives you more flexibility when designing a monitoring station or displaying surveillance video in different areas.
High Decoding Capacity — Review High-Resolution Video Smoothly
The recorder supports decoding configurations up to 1 channel at 32 MP, 2 channels at 12 MP, 4 channels at 8 MP, 8 channels at 4 MP, or 16 channels at 1080p. That processing capacity becomes especially valuable when your system includes multiple high-resolution cameras.
Dual-Stream Recording — Use Bandwidth More Efficiently
The DS-7700NI-I4(B) Series supports dual-stream recording, which Hikvision identifies as a way to save bandwidth. This helps create a more efficient surveillance environment when different video streams are needed for recording and viewing.
Smart VCA Support — Find More Meaning in Your Camera System
With compatible cameras, the NVR can work with smart functions such as motion detection, line crossing detection, intrusion detection, heat maps, ANPR, and people counting. Instead of relying exclusively on conventional video recording, your system can make use of additional event-based and analytical capabilities supported by the connected cameras.
POS Integration — Connect Transactions With Video
For compatible retail applications, POS information can be displayed over live video and recorded playback. The NVR also supports POS-triggered recording and alarm functions, helping businesses connect transaction activity with the corresponding surveillance footage.
Dual Gigabit Ethernet — Built for Networked Surveillance
Two self-adaptive 10/100/1000 Mbps RJ-45 Ethernet interfaces provide additional networking flexibility for a larger IP surveillance installation. You also get support for a broad range of network protocols used in professional surveillance environments.
Hik-Connect and Web Access — Reach Your System Beyond the Recorder
The NVR supports Hik-Connect, DDNS, and web access without a plug-in. That means your surveillance system does not have to be something you can interact with only while standing in front of the recorder.
Up to 128 Remote Connections — Designed for Broader Access Requirements
With support for up to 128 remote connections, the recorder is equipped for environments where surveillance access may need to extend beyond a single local workstation.
Stream-Over-TLS Encryption — Add Security to Video Transmission
Your surveillance system protects valuable information, so the transmission of that information matters too. Hikvision includes stream-over-TLS encryption technology to provide more secure video-stream transmission.
Double Verification — Additional Protection for Important Footage
The recorder supports double verification for playback and downloading. In environments where recorded footage needs to be handled more carefully, this provides an additional verification mechanism around access to those functions.
19-Inch Rack-Mountable Chassis — Made for Professional Installations
The 1.5U, 19-inch rack-mountable chassis makes the recorder suitable for organized equipment racks and dedicated surveillance installations where clean equipment management matters.
What This Helps You Avoid
Imagine investing in high-resolution cameras throughout your property, only to discover later that the recorder does not have enough bandwidth, storage capacity, playback capability, or room to support where the system is going.
Now a camera needs to be added. Recording retention needs to increase. An incident happens across several areas at once. Suddenly, limitations that seemed unimportant when the system was purchased become the very things making it harder to use.
- Running out of camera channels as your surveillance needs expand
- Choosing high-resolution cameras only to pair them with an underpowered recorder
- Being unnecessarily restricted by limited hard-drive capacity
- Reviewing an incident one camera at a time when multiple viewpoints are available
- Using more storage than necessary when advanced compression is available
- Missing useful smart functions provided by compatible cameras
- Creating a monitoring setup with limited display and network flexibility
The DS-7700NI-I4(B) Series approaches the problem differently: give the surveillance system enough room to record, store, display, review, and manage a substantial number of high-resolution IP cameras from one platform.
So the question becomes less about whether the NVR can simply record your cameras and more about whether you want a recorder that can continue supporting the system as your security requirements become more demanding.
Product Support & Shipping Details
Product Support & Shipping Details
We move quickly so you don’t have to wait, place your order before 3pm EST and it ships out the same day, with everything else going out the next business day. Most customers see their package in about 3 business days, giving you a smooth, predictable delivery experience.
For Support you’re never on your own with us. if something comes up, our U.S.-based support team is here to help you troubleshoot, set up, or get answers fast. We make sure you always know exactly what to do next so your product keeps working the way you need it to.
30 Day Returns & Money Back Guarantee
30 Day Returns & Money Back Guarantee
If the product isn’t the right fit, no worries—our 30-day money-back guarantee gives you the space to try it without the pressure. You can return it within 30 days as long as it’s in its original condition. And to keep things simple, you can start the return right from your account, no hassle, no long back-and-forth.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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
Video and Audio
Decoding and Recording
Smart and POS Functions
Security and Recording Efficiency
Network
Storage
Auxiliary Interfaces
Physical Interface
General
Certifications
Accessories
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
Frequently Asked Questions
The DS-7716NI-I4(B) supports up to 16 IP camera inputs, while the DS-7732NI-I4(B) supports up to 32 IP camera inputs.
The NVR supports IP camera resolutions up to 32 MP. When Ultra HD resolution mode is enabled, it can support up to four 32 MP or 24 MP IP video inputs.
The NVR provides four SATA interfaces for hard drives, with support for up to 10 TB of capacity per disk. An optional eSATA interface is also specified.
Yes. It supports H.265+, H.265, H.264+, H.264, and MPEG4 decoding formats. According to the datasheet, H.265+ compression can reduce storage space requirements by up to 75%.
Yes. HDMI 1 supports video output up to 4K at 3840 × 2160 resolution at 60 Hz or 30 Hz. The NVR also provides HDMI 2 and VGA video outputs.
The DS-7700NI-I4(B) Series supports up to 16-channel synchronous playback.
The DS-7716NI-I4(B) supports up to 160 Mbps of incoming bandwidth, while the DS-7732NI-I4(B) supports up to 256 Mbps. Both models support up to 256 Mbps outgoing bandwidth.
The datasheet specifies support for Hik-Connect and DDNS for network management, web access without a plug-in, and up to 128 remote connections.
The NVR supports multiple VCA events and configurable smart functions from compatible cameras, including motion detection, line crossing detection, intrusion detection, heat map, ANPR, and people counting.
Yes. It supports POS information overlay on both live view and playback, as well as POS-triggered recording and alarm functions.

