DS-7732NXI-I4/16P/S(E) 32‑ch AcuSense NVR, 16‑PoE, 4×SATA, 4K HDMI

Introduction to the DS-7732NXI-I4/16P/S(E) 32‑ch AcuSense NVR

The DS-7732NXI-I4/16P/S(E) is a 1U rack-mount Network Video Recorder (NVR) designed for medium-to-large IP CCTV deployments. Built around Hikvisions AcuSense AI suite, this recorder supports up to 32 IP camera inputs while providing 16 integrated PoE ports to power cameras directly. With dual HDMI outputs (including a 4K-capable HDMI1), H.265+/H.265/H.264 compression and four hot-plug SATA bays for local storage, the unit combines centralised recording, efficient storage and AI-assisted event filtering for a broad range of security applications.

Key features at a glance

• 32 IP channels:Supports up to 32 camera inputs (max resolution per channel model/firmware dependent, up to around 12 MP).
• Integrated PoE:16 RJ-45 PoE ports (IEEE 802.3af/at) with a PoE budget up to 200 W for simplified cabling and camera power management.
• AcuSense AI analytics:Face detection/recognition, perimeter protection, ANPR and people counting (note: some AI functions cannot run simultaneously; consult the datasheet).
• Efficient compression & playback:H.265+/H.265/H.264+ compression, typical decoding for 16 channels at 1080p, and up to 16-channel synchronous playback.
• Storage flexibility:Four hot-plug SATA bays plus eSATA; per-disk capacity varies by firmware/region (commonly up to 10 TB per drive, some sources list 16 TB).
• 4K video output:HDMI1 supports 4K for high-resolution monitoring.

Detailed specifications and benefits

The DS-7732NXI-I4/16P/S(E) is purpose-built to balance performance, scalability and cost-effectiveness. Below is a closer look at the products key specification areas and the practical benefits they bring.

• Max resolution:Up to ~12 MP per channel (model and firmware dependent). This allows recording from high-resolution megapixel cameras for forensic detail when needed.
• Compression:H.265+/H.265/H.264+/H.264 support reduces storage and bandwidth requirements. H.265+ in particular provides notable savings for busy sites with many cameras.
• Decoding & playback:Typical live decode supports 16 channels at 1080p, and the unit offers up to 16-channel synchronous playback. Note that enabling AI modes can affect decoding/playback capacity, so plan configuration according to your monitoring priorities.

• 16 PoE ports:Built-in PoE simplifies installation by feeding camera power and data over a single cable. The PoE budget is up to 200 W, enough for many combinations of cameras including some IR and motorized models. Evaluate total camera power draws during system design.
• LAN & outputs:One Gigabit LAN port for network connectivity. Two HDMI outputs are provided (HDMI1 supports up to 4K, HDMI2 up to 1080p) for flexible monitoring setups.
• I/O & control:USB ports for backup and mouse/keyboard control, plus alarm in/out and RS-485/RS-232 serial ports for integration with other systems.

• Hot-plug drives:Four internal hot-plug SATA bays plus an eSATA interface allow local, expandable storage and easy drive replacement or maintenance.
• Per-disk capacity:Varies by firmware and region; many installations safely plan for up to 10 TB per disk. Always verify the maximum supported drive size for the firmware shipped with your unit.
• Power input:100 60 VAC input range supports global deployments; total device power varies and the datasheet notes an upper total device power figure (PoE budget ≤ 200 W; some documentation notes total device power ≤ 360 W).
• Form factor:1U, 19" rack design with compact footprint (approx. 440 × 391 × 75 mm) to fit typical server racks used for CCTV headends.

Use cases and scenarios where the DS-7732NXI excels

The DS-7732NXI-I4/16P/S(E) is targeted at installations that need scalable channel capacity, on-board PoE and intelligent analytics without a large footprint. Common scenarios include:

• Retail:Multi-camera stores benefit from AcuSenses event filtering to reduce false alarms (for example, distinguishing people from moving shadows), ANPR for car park management and people counting for operations and compliance reporting.
• Education and campuses:Schools and university buildings often need many cameras across buildings; integrated PoE and rack-mount form factor simplify central monitoring rooms. AI features help focus operator attention on relevant events.
• Offices and corporate buildings:Centralised recording, 4K monitoring for key areas and integration with access control or alarm systems via I/O ports make this NVR suitable for corporate security headends.
• Warehouses and logistics:Warehouses require robust recording of entrances, loading bays and high-value storage areas. The units high channel count, PoE ports and efficient compression help contain costs while preserving necessary detail.
• Small-to-medium campus deployments:Sites where up to 32 IP cameras are required but separate PoE switches are impractical; the integrated PoE simplifies cabling and reduces infrastructure.

Comparisons with similar products

When selecting an NVR, integrators balance channel count, PoE capacity, AI features, storage and price. The DS-7732NXI-I4/16P/S(E) sits in the mid-to-upper tier for SMB to enterprise-edge deployments. Comparatively:

• vs. Basic NVRs (no PoE / limited AI):Basic NVRs might offer 32 channels but require external PoE switches and lack advanced analytics. The DS-7732NXIs built-in PoE ports and AcuSense analytics reduce component count and improve event filtering, saving on cabling, switches and operator time.
• vs. Higher-end servers/NVR appliances:Enterprise server-class recorders may provide higher throughput, larger drive capacities and redundant components. Those are ideal for extremely large or mission-critical sites. The DS-7732NXI offers a cost-effective balance: strong channel support with built-in PoE and AI at a lower hardware/space cost, but without some enterprise redundancy features.
• vs. Competitor models with integrated AI:Other vendors provide integrated analytics, but AcuSense is widely adopted and optimised to reduce false alarms. When choosing between brands, compare AI feature sets (face recognition, ANPR, people counting), concurrency limits (which AI functions can run together) and compatibility with your chosen camera models and firmware.

Installer notes, compliance and warranty considerations

Before specifying or selling this model consider a few important practical points:

• AI feature concurrency:Some AcuSense AI functions cannot be enabled at the same time. Check the datasheet and firmware notes to plan which analytics you will use simultaneously.
• Drive capacity & firmware:Maximum supported per-drive capacities are dependent on firmware and regional releases; verify the unit you supply supports the intended HDD sizes.
• Compliance:Confirm UKCA/CE marking, regional firmware support and any local regulatory requirements prior to installation.
• Warranty & lifecycle:Documentation notes that regional differences and model lifecycle may affect availability and support. Confirm warranty terms and firmware update policy with your supplier: the specification data provided here lists no included warranty (warranty = 0), so clarify support before purchase.

Customer feedback and reviews

There are limited official customer testimonials attached to this model in the provided information. However, common feedback themes from installers and security integrators working with similar Hikvision AcuSense NVRs include:

• "Integrated PoE cuts down on rack space and simplifies cable runs," noting faster installations and fewer separate switch devices.
• "H.265+ compression significantly reduces storage requirements," especially on multi-camera sites with continuous recording.
• "AcuSense analytics improve operational efficiency by reducing false alarms and surfacing human-related events," though integrators also stress planning around AI concurrency limits.

If you require formal testimonials for procurement or marketing, request references from your supplier or ask for case studies from installations matching your vertical (retail, education, warehousing) to validate real-world performance.

Conclusion: Why choose the DS-7732NXI-I4/16P/S(E)?

The DS-7732NXI-I4/16P/S(E) is a versatile, rack-mount NVR that targets installations needing a balance of channel density, integrated PoE and AI-based event filtering. Its strengths are clear: 32-channel capacity, 16 onboard PoE ports to simplify cabling, efficient H.265+ compression to reduce storage costs, and AcuSense analytics to improve detection accuracy and reduce false alarms. Dual HDMI outputs including 4K support provide flexible monitoring options for control rooms.

Before purchase, verify firmware-supported drive sizes, confirm which AI features you plan to use concurrently, and check warranty and regional compliance with your supplier. With those checks completed, this unit offers a compelling solution for retailers, campuses, offices and warehouses seeking centralized recording with practical AI assistance.

The suggested price for the DS-7732NXI-I4/16P/S(E) is 699.00 (suggested_price = 699.0). The provided cost price in the specification data is 534.35 (cost_price = 534.35). Because warranty coverage and firmware support can vary by region and reseller, confirm all commercial and technical terms with your supplier prior to ordering.