Hikvision DS-7732NXI-K4/16P/VPRO 32-Channel 16-PoE AcuSeek 4K NVR

Overview

The Hikvision DS-7732NXI-K4/16P/VPro is an 32-channel K/VPro AcuSeek NVR powered by Hikvision's Guanlan Large-Scale AI Models — bringing affordable on-NVR natural-language video search to the value K-tier. Search recordings in everyday English: “person approaching a white SUV”, “brown handbag left near the counter”, “child running past the front door” — AcuSeek interprets the query and surfaces matching clips in seconds, modelling up to 50,000 targets per day.

AcuSearch on all 32 channels with 8-ch facial recognition (16 face libraries, up to 50,000 face pictures, ≤ 800 MB total), perimeter protection and Motion Detection 2.0 for human/vehicle classification, plus ANPR by camera. Records up to 12 MP per channel; decodingWhat is Decoding Capability 12-ch @ 1080p (AI on) / 24-ch @ 1080p (AI off); 16-ch synchronous playback. Incoming 256 Mbps / outgoing 100 Mbps. H.265+ compression cuts storage by up to 75%, with stream-over-TLS encryption.

Storage: 4 × SATA HDD bays up to 16 TB each (64 TB total raw). Network: built-in 16-port PoE switch (IEEE 802.3af/at, ≤ 200 W) plus 1 × Gigabit uplink — plug & play camera deployment with no external switch. Output: HDMI up to 4K (3840 × 2160) @ 30 Hz + independent VGA 1080p for dual monitors. Audio: 4-ch IP speaker input, 1-ch RCA output + 1-ch two-way audio. 16 / 4 alarm I/O plus 2 × RS-485 (half-duplex), 1 × RS-232 serial. Power: 100–240 VAC, 50/60 Hz; consumption ≤ 50 W (without HDD). 1.5U chassis, 440 × 391 × 72 mm, ≤ 5 kg (without HDD). Certified CE / CB / REACH / WEEE / UKCA / RCM / IC.

Key Features

• 32-channel AcuSeek NVR — on-NVR natural-language video search powered by Hikvision Guanlan Large-Scale AI Models (up to 50,000 targets/day)
• Search recordings in everyday English — “person approaching a white SUV”, “brown handbag near the counter”
• AcuSearch on all 32 channels — semantic attribute search (clothing/vehicle colour, type and behaviour)
• 8-ch facial recognition — 16 face libraries, up to 50,000 face pictures (≤ 800 MB total)
• Perimeter protection & Motion Detection 2.0 — human/vehicle classification dramatically reduces false alarms
• ANPR by camera — plate number/colour/type plus vehicle brand, colour and type captured
• Built-in 16-port PoE switch — IEEE 802.3af/at, ≤ 200 W budget; plug & play for up to 16 Hikvision cameras
• 4 × SATA HDD bays — drives up to 16 TB each (64 TB total raw)
• H.265+ / H.265 / H.264+ / H.264 — H.265+ saves up to 75% storage vs H.264
• DecodingWhat is Decoding Capability 12-ch @ 1080p (AI on) / 24-ch @ 1080p (AI off); records up to 12 MP per channel
• Incoming 256 Mbps / outgoing 100 Mbps; 16-ch synchronous playback
• HDMI 4K @ 30 Hz + independent VGA 1080p output for dual-monitor operation
• 4-ch IP speaker input; 1-ch RCA audio out + 1-ch two-way audio; 16 / 4 alarm I/O
• Stream-over-TLS encryption; ONVIF profile S/G + ISAPI + SDK; Hik-Connect, iVMS-4200, Hik-Central
• 1.5U chassis (440 × 391 × 72 mm), ≤ 5 kg (without HDD); 100–240 VAC, 50/60 Hz

Typical Applications

• Small-to-medium sites with up to 32 IP cameras — retail, cafes & restaurants, apartments, nurseries, offices and depots wanting affordable AI-on-NVR
• Forensic-search-heavy sites — staff regularly retrieve specific events; AcuSeek delivers natural-language search across all channels
• Plate-recognition workflows — car parks, fleet bays and access points (ANPR by camera)
• Face-recognition deployments up to a 50,000-face library across 16 groups — staff access, VIP detection, watchlists
• Plug-and-play installs — 16 built-in PoE ports remove the need for an external PoE switch
• Multi-monitor reception or back-office setups — simultaneous HDMI + VGA output

Compatible Hikvision Devices

• Hikvision AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide IP cameras — AcuSearch/AcuSeek are most powerful with AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide cameras (enable AcuSearch on the camera first)
• ColorVuHikvision AcuSense vs ColorVu: UK Installer Guide for 2026 3.0 cameras (1xx7G3 / 1xx7G3(H)) — full-colour 24/7 attribute capture for AcuSearch
• AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide 2-line cameras (except 2xx1 models) and 3-line cameras (except 3xx1 models)
• Hikvision ANPR IP cameras — plate recognition reinforced by camera-side ANPR
• Built-in 16-port PoE switch — powers up to 16 Hikvision PoE cameras directly
• iVMS-4200 desktop client (Windows / macOS) — centralised management
• Hik-Connect mobile app (iOS / Android) — remote view, playback, AcuSeek search and push
• Hik-Central Professional — enterprise VMS for multi-site management
• ONVIF profile S/G third-party IP cameras — recording supported (AcuSearch/AcuSeek reduced for non-Hikvision cameras)
• Surveillance-grade HDDs — Seagate SkyHawk / WD Purple recommended (available pre-fitted in the HDD-bundle variant)

What's in the Box

• 1 × Hikvision DS-7732NXI-K4/16P/VPro NVR
• 1 × power cord
• 1 × USB mouse
• 1 × HDD mounting screws / rail kit
• 1 × quick start guide