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  • New item   Network video recorder (NVR) | 32 channels | 4K | 4 HDD up to 10 TB | H.265+ | AcuSense | Alarm 16/4 | Hikvision DS-7732NXI-I4/S

    Network video recorder (NVR) | 32 channels | 4K | 4 HDD up to 10 TB | H.265+ | AcuSense | Alarm 16/4 | Hikvision DS-7732NXI-I4/S

    Code: NVR DS-7732NXI-I4/S
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    Price 1080.89 € VAT incl.
    ( 893.30 € VAT excl. )
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    Hikvision DS-7732NXI-I4/S – a 32-channel 1.5U AcuSense NVR for large sites. 4 hot-swap SATA bays, eSATA, two network ports, alarm I/O 16/4 and 256 Mbps bandwidth.

  • Product description

    Network video recorder (NVR) | 32 channels | 4K | 4 HDD up to 10 TB | H.265+ | AcuSense | Alarm 16/4 | Hikvision DS-7732NXI-I4/S

    The Hikvision DS-7732NXI-I4/S is a 32-channel network video recorder for a 19" rack (1.5U). It is an I-series AcuSense model with four drive bays, two network ports and extended alarm control.

    Key point:
    This NVR is designed for sites with 17–32 cameras and a long archive: 4 drives up to 10 TB each, hot-swap without stopping the system and eSATA for external storage. Two network ports let you separate the camera network from the office network, while 16 alarm inputs and 4 outputs link video to the security system and POS tills.
    Channels
    32 IP, up to 12 MP
    Storage
    4 SATA up to 10 TB + eSATA
    Bandwidth
    256 Mbps
    Alarm I/O
    16 inputs / 4 outputs

    Connectivity and integration

    • 2 × RJ-45 10/100/1000 Mbps – The camera network can be separated from the corporate network – more secure and lower load.
    • Hik-Connect and DDNS – Remote viewing on your phone and access without a static IP address.
    • ONVIF, ISAPI, SDK – Integration with ONVIF cameras from other brands and video management software (e.g. HikCentral).
    • Alarm I/O 16/4, RS-485 / RS-232 – Sensors, alarm panel, PTZ keyboard and POS systems.
    • 4K HDMI and VGA – Monitor in the control room – HDMI up to 3840 × 2160, VGA up to 1920 × 1080.

    How it works

    Mount the unit in a 19" rack, fit up to 4 SATA drives, connect one network port to the camera PoE switches and the other to the corporate network. Wire sensors or alarm panel outputs to the alarm inputs.

    The NVR accepts up to 32 streams totalling up to 256 Mbps and records them in H.265+. AcuSense perimeter protection on up to 4 channels filters people and vehicles, and facial recognition compares faces against libraries.

    The result is a centralised video system for a large site: a long archive across several drives, events linked to alarms and access from the control room or a phone.

    Why choose the DS-7732NXI-I4/S?
    One 1.5U unit for 32 cameras with 4 drives, two networks and 16/4 alarm I/O – instead of several small NVRs and separate I/O modules.

    Technical specifications

    Product type Network video recorder (NVR), 19" rack-mount
    Manufacturer / model Hikvision / DS-7732NXI-I4/S
    Channels 32 IP channels
    Max. camera resolution up to 12 MP
    Incoming bandwidth 256 Mbps
    Video compression H.265+ / H.265 / H.264+ / H.264
    Decoding 16 × 1080p (30 fps)
    Playback 16-channel synchronous
    Video outputs HDMI up to 3840 × 2160; VGA up to 1920 × 1080
    Storage 4 hot-swap SATA bays, up to 10 TB each; 1 eSATA; HDDs not included
    Network 2 × RJ-45 10/100/1000 Mbps
    Alarm I/O 16 inputs / 4 outputs
    Serial interfaces RS-485, RS-232
    USB 2 × USB 2.0 front, 1 × USB 3.0 rear
    Audio RCA output, two-way audio
    Protocols / API ONVIF, ISAPI, SDK, RTSP, Hik-Connect, DDNS
    Power supply 100–240 VAC, 50/60 Hz; ≤ 30 W without HDD
    Operating temperature -10…+55 °C
    Dimensions 445 × 400 × 75 mm (1.5U)

    Key features

    • AcuSense perimeter protection – up to 4 channels, human and vehicle recognition, fewer false alarms.
    • Facial recognition – face comparison against libraries and search by face.
    • 4 hot-swap drives – a drive can be replaced without stopping recording on the others.
    • eSATA – an external disk array to extend the archive.
    • Alarm I/O 16/4 – extensive event logic without extra modules.
    • POS integration – till transaction text overlaid on video and recording triggered by POS events.
    • Smart search and playback – find events quickly in a large archive.

    How does it differ from similar models?

    • Hikvision DS-7616NI-K2 – 16 channels, 2 drives up to 10 TB, alarm I/O 4/1 – much cheaper for a medium site.
    • Hikvision DS-7616NXI-K1(D) – 16-channel AcuSense, 1 drive up to 16 TB, compact 1U – for up to 16 cameras.
    • Hikvision DS-7608NXI-K1/8P – 8 channels with 8 PoE ports – for a small site without a separate switch.
    • IMOU NVR-N118W-8A0E – 18-channel Wi-Fi NVR for homes – a completely different class: no rack mounting, no alarm I/O and no 4 drives.

    Where is it used?

    • Factories and logistics centres
    • Shopping centres and retail chains
    • Hospitals and educational institutions
    • Office complexes
    • Car parks and fuel stations
    • Municipal facilities

    Use by need

    For a security manager.
    32 cameras, facial recognition at entrances and alarm events in one control room.
    For a retail chain IT administrator.
    POS integration links till transactions with video, and two network ports isolate the camera network.
    For a systems integrator.
    ONVIF, ISAPI and SDK let you bring the NVR into HikCentral or another VMS platform.

    Practical use

    If a logistics centre runs 28 × 4 MP cameras and needs a 30-day archive, mount the DS-7732NXI-I4/S in the server rack, fit 4 × 10 TB drives, connect the camera PoE switches to the first network port and the corporate LAN to the second. Enable perimeter protection on the 4 fence cameras and wire the gate and door contacts to the alarm inputs.

    Pros

    • 32 channels, cameras up to 12 MP
    • 4 hot-swap SATA + eSATA
    • 2 network ports for network separation
    • Alarm I/O 16/4, RS-485 / RS-232
    • AcuSense perimeter and facial recognition
    • ONVIF, ISAPI, SDK – VMS integration

    Cons / limitations

    • Considerably more expensive than 16-channel models; for up to 16 cameras the DS-7616NXI-K1(D) or DS-7616NI-K2 is enough.
    • No PoE ports – the camera network needs PoE switches.
    • AcuSense perimeter protection by the NVR – up to 4 channels; more requires AcuSense cameras.
    • Decoding – 16 × 1080p: all 32 channels will not display at full resolution at once.
    • Requires a 19" rack and a ventilated server room.

    Safety and installation notes

    • Install the NVR in a dry, ventilated place – leave space for airflow in a cabinet or rack; operating temperature -10…+55 °C.
    • Fit the hard drive only with the power disconnected; choose surveillance-grade HDDs designed for 24/7 operation.
    • Power it from the source specified by the manufacturer (100–240 VAC); a UPS and surge protection are recommended – a power cut also stops recording.
    • On first start-up set a strong admin password, enable Hik-Connect only if remote access is needed, and keep the firmware up to date.
    • GDPR: set the retention period to what you really need, restrict access with user rights and mark the monitored area with signs.
    • Use solid-copper CAT5e / CAT6 cable for PoE cameras (Ethernet limit – 100 m) and seal cable entries outdoors.

    Quick selection guide

    32 IP channels
    4 HDD + eSATA
    256 Mbps
    Alarm I/O 16/4
    Suitable when you need:
    • 17–32 IP cameras in one device
    • a long archive across several drives
    • integration with an alarm panel, POS or VMS
    Check before use:
    • that the unit is installed in a 19" rack or on a shelf with sufficient ventilation
    • number and capacity of drives for the archive period
    • space in a 19" rack and ventilation
    Important reminder: Four drives without RAID are not a backup – plan separate archiving for critical recordings.

    FAQ

    How many cameras can be connected?
    Up to 32 IP cameras, total bandwidth up to 256 Mbps.
    How many drives fit?
    4 hot-swap SATA drives up to 10 TB each, plus an external eSATA port.
    What are the two network ports for?
    To separate the camera network from the corporate network or for network redundancy.
    Does the NVR have PoE?
    No, cameras need separate PoE switches.
    Does it work with other brands' cameras?
    Yes, via ONVIF; check the specific model's compatibility.
    Where is the unit installed?
    In a 19" rack (1.5U) in a dry, ventilated server or technical room.

    Hikvision DS-7732NXI-I4/S – 32-channel AcuSense NVR

    A 32-channel Hikvision NVR for large sites: 4 hot-swap drives up to 10 TB, eSATA, two network ports, alarm I/O 16/4 and AcuSense perimeter and facial analytics.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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