DS-7732NXI-K4 32-Channel AcuSense NVR with 4-Bay Storage
A solid fit for larger commercial systems that need smarter event review, centralized recording, and more room for video storage.
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Ships from Bensenville, IL
Fast Order Processing
1-Year Warranty
30-Day Return Window
The DS-7732NXI-K4 is a 32-channel AcuSense NVR built for larger commercial systems that need centralized recording, intelligent event review, and expandable storage.
Intelligent Security Benefits
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Focused Event Review – Helps operators find relevant human and vehicle activity faster.
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Centralized Management – Keeps recording, playback, and system control in one place.
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Flexible Storage – Supports growing retention needs.
Recommended Applications
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Warehouses
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Distribution Centers
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Office Campuses
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Industrial Facilities
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Schools
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Large Retail Properties
| Intelligent Analytics | |
|---|---|
| AI by Device | Facial recognition, perimeter protection, Motion Detection 2.0 |
| AI by Camera | Facial recognition, perimeter protection, video structuralization, throwing objects from building, Motion Detection 2.0, 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 and total capacity ≤ 1 GB |
| Facial Detection and Analytics Performance | 1-ch, 8 MP |
| Face Picture Comparison | 4-ch face picture comparison alarm |
| Motion Detection 2.0 | |
| By Device | All channels, up to 4 MP; when enhanced SVC mode is enabled, up to 8 MP |
| By Camera | All channels |
| Perimeter Protection | |
| By Device | Up to 2-ch 4 MP video analysis for human and vehicle recognition to reduce false alarms; supports HD network cameras using H.264/H.265 |
| 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)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz |
| VGA Output | 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz |
| Video Output Mode | HDMI/VGA independent output |
| CVBS Output | N/A |
| Audio Output | 1-ch, RCA (Linear, 1 KΩ) |
| Two-Way Audio | 1-ch, RCA (2.0 Vp-p, 1 KΩ, using the audio input) |
| 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 | IE 11, Chrome 57+, Firefox 52+, Safari 12+, Edge 89+ |
| Network Protocol | TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS |
| Network Interface | 2 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interfaces |
| Network Management | Mobile App for easy network management |
| Auxiliary Interface | |
| SATA | 4 SATA interfaces |
| Capacity | Up to 10 TB capacity for each HDD |
| Serial Interface | 2 RS-485 (half-duplex), 1 RS-232 |
| Alarm In/Out | 16/4; 16/9 is optional |
| USB Interface | Front panel: 2 × USB 2.0; Rear panel: 1 × USB 3.0 |
| Ctrl 12V | N/A; optional support |
| DC 12V | N/A; optional support |
| General | |
| GUI Language | English, Russian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Turkish, Japanese, Danish, Swedish, 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 | ≤ 20 W (without HDD) |
| Working Temperature | -10 °C to 55 °C (14 °F to 131 °F) |
| Working Humidity | 10% to 90% |
| Dimension (W × D × H) | 445 × 400 × 75 mm (17.5" × 15.7" × 3.0") |
| Weight | ≤ 5 kg (without HDD, 11 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 |
| Important Notes | |
| Alarm Interface Option | Certain models can be configured with 16 alarm inputs and 9 alarm outputs when the /Alarm16+9 option is selected. |
| AI Function Limitation | Facial recognition, Motion Detection 2.0, and perimeter protection cannot be enabled at the same time. |
| Available Model | DS-7732NXI-K4 |
Find answers to common questions about camera compatibility, channel capacity, PoE connectivity, recording, storage, remote viewing, and system installation.
What commercial projects is the DS-7732NXI-K4 suitable for?
The DS-7732NXI-K4 is designed for medium to large commercial surveillance deployments that require centralized recording for up to 32 IP cameras. It is suitable for warehouses, manufacturing facilities, school campuses, office buildings, distribution centers, retail properties, apartment complexes, and other sites with multiple monitored areas.
Can the DS-7732NXI-K4 support warehouse and manufacturing surveillance?
Yes. The recorder can centralize video from loading docks, production areas, warehouse aisles, inventory zones, employee entrances, parking areas, and exterior access points. This gives facility and security teams a more organized way to manage recordings across operationally important areas.
Is the DS-7732NXI-K4 appropriate for school or commercial campus projects?
Yes. Its 32-channel capacity makes it suitable for installations covering entrances, corridors, administrative areas, parking lots, common spaces, and multiple sections of a commercial or educational campus. The final system design should account for camera placement, bandwidth, storage retention, and monitoring requirements.
Can this NVR manage cameras across a large commercial property?
The DS-7732NXI-K4 can serve as a centralized recording platform for cameras distributed throughout a larger property. It is useful for projects where authorized personnel need to review footage from different departments, buildings, entrances, or operational zones without managing several smaller recorders.
Why choose a 32-channel AcuSense NVR for a commercial installation?
A 32-channel AcuSense NVR provides capacity for larger camera deployments while supporting more efficient event review. Human and vehicle classification can help security teams focus on relevant activity and reduce time spent reviewing alerts caused by less important movement in supported event configurations.
Can the DS-7732NXI-K4 be used to upgrade an existing surveillance system?
Yes. It can be considered for compatible recorder replacements, camera expansions, and commercial system upgrades. Before deployment, installers should verify camera compatibility, firmware requirements, recording settings, available bandwidth, storage needs, and whether existing analytics are supported by the proposed system configuration.
How can the DS-7732NXI-K4 improve incident investigations?
Centralized recording and intelligent event filtering can help authorized users locate relevant footage more efficiently. When supported cameras and analytics are properly configured, security teams can narrow searches around human or vehicle activity instead of manually reviewing long periods of unrelated motion.
Does the standard DS-7732NXI-K4 include built-in PoE ports?
No. The standard DS-7732NXI-K4 is different from the DS-7732NXI-K4/16P model. Cameras connected to the standard version require external PoE switches or other suitable network infrastructure. Installers should calculate switch capacity, PoE power budget, network bandwidth, and cable requirements before installation.
What should installers verify before deploying the DS-7732NXI-K4?
Installers should confirm camera compatibility, total incoming bandwidth, decoding requirements, storage retention targets, network switch capacity, monitor outputs, user permissions, remote access requirements, and backup expectations. AI functions should also be validated against the connected camera models, firmware versions, and regional product specifications.
How many hard drives can the DS-7732NXI-K4 support?
The DS-7732NXI-K4 provides four internal SATA interfaces for surveillance hard drives. Actual retention time depends on drive capacity, camera count, resolution, frame rate, compression settings, scene activity, and recording schedule. Maximum supported capacity per drive should be confirmed using the datasheet and compatible-drive information for the exact regional version.