Hikvision iDS-7332HUHI-M4/S 32 Channel 3K/8MP Lite AcuSense Ultra DVR
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The Hikvision iDS-7332HUHI-M4/S is a 32-channel Ultra Series AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide DVR — the 4-HDD-bay enterprise tier with on-recorder human/vehicle classification on up to 16 channels. 5-in-1 hybrid (HD-TVI/AHD/HDCVI/CVBS/IP), up to 8 MP (3K Lite) per channel, 4 × SATA bays (up to 40 TB raw), H.265 Pro+ compression, 4K HDMI + VGA output, 1 Gigabit Ethernet.
On-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide filters false alarms from animals, foliage and weather across Perimeter Protection, Line Crossing, Intrusion and Region Entrance/Exit events. Adds up to 16 IP channels via re-allocation (32 MP bandwidth ceiling for HQHI, higher for HUHI). 16 alarm inputs / 4 alarm outputs, 1 × RS-485, 1 × RS-232.
Key Features
- 32-channel BNC analogue input — HD-TVI / AHD / HDCVI / CVBS (5-in-1 hybrid)
- Up to 8 MP (3K Lite) HD-TVI per channel
- Up to 16-channel on-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide human/vehicle classification
- 4 × SATA 3.5″ HDD bays, up to 10 TB each (40 TB raw)
- H.265 Pro+ / H.265 / H.264+ / H.264 compression
- Dual output: 1 × HDMI (4K @ 30 Hz) + 1 × VGA (1080p @ 60 Hz)
- 1 × RJ-45 Gigabit Ethernet
- 16 alarm inputs / 4 alarm outputs, 1 × RS-485 + 1 × RS-232
- 1.5U rack-mounted chassis 445 × 400 × 75 mm, ≤ 5 kg without HDD
- 100-240 VAC PSU; ONVIF + Hik-Connect P2P + Hik-Central + iVMS-4200
Note: Ultra Series DVRs offer the largest storage capacity in Hikvision's DVR range (4 × 10 TB raw). For sites that need on-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide + maximum recording duration. For 2-HDD chassis, see the iDS-72xx M2 variants; for single-HDD compact installs, the iDS-72xx M1 chassis.
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Read the full Hikvision NVR Buyer's GuideHikvision NVR Buyer's Guide 2026: K-Series, VPRO, Ultra, DeepinMind 2026 - K-Series, VPRO/AcuSeekWhat is Hikvision AcuSeek, Ultra, DeepinMind and HUHI compared by channel count, bandwidth and AI tier.
Hikvision iDS-7332HUHI-M4/S — 32-Channel Ultra AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide DVR
32-channel 5-in-1 hybrid DVR (HD-TVI / AHD / HDCVI / CVBS / IP), up to 8 MP (3K Lite) per channel, 4 × SATA HDD bays (up to 10 TB each), 4K HDMI + VGA, on-recorder AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide human / vehicle classification.
Overview
The Hikvision iDS-7332HUHI-M4/S is a 32-channel Ultra Series AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide DVR — Hikvision's largest-storage DVR tier with 4 hot-swap SATA bays (40 TB raw maximum). 5-in-1 hybrid (HD-TVI / AHD / HDCVI / CVBS / IP) with up to 8 MP (3K Lite) per channel, H.265 Pro+ compression for up to 75% storage saving vs H.264.
On-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide delivers up to 16-channel human / vehicle classification in advanced mode — filtering false alarms from animals, foliage movement and weather. Classified events feed Perimeter Protection, Line Crossing, Intrusion and Region Entrance / Exit triggers across both analogue and IP channels. AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide-capable Hikvision cameras can push classification metadata for transparent recording; the DVR exposes per-channel VCA history for forensic search.
Output: 1 × HDMI up to 4K (3840 × 2160 @ 30 Hz) + 1 × VGA up to 1080p — independent or simultaneous. Network: 1 × RJ-45 Gigabit Ethernet for IP-camera connections, remote view via Hik-Connect P2P, and integration with Hik-Central and iVMS-4200. POS overlay on live view and playback supports retail integrations. 16 alarm inputs + 4 alarm outputs, 1 × RS-485 + 1 × RS-232.
Form factor: 1.5U rack-mounted chassis (445 × 400 × 75 mm, ≤ 5 kg without HDD), 100-240 VAC PSU. UK CE / UKCA certified. Sits above the iDS-72xx M2 tier (2-HDD chassis) — pick Ultra when you need 4-bay raw storage capacity (up to 40 TB) and rack-mount serviceability.
Key Features
- 32-channel BNC input — HD-TVI / AHD / HDCVI / CVBS auto-detect (5-in-1 hybrid)
- Up to 8 MP (3K Lite) HD-TVI per channel; 4 MP / 3 MP / 1080p / 720p downscaling
- Up to 16-channel on-DVR AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide human / vehicle classification (advanced mode)
- Perimeter Protection, Line Crossing, Intrusion, Region Entrance / Exit — all classifiable by target type
- 4 × SATA 3.5″ HDD bays, up to 10 TB each
- H.265 Pro+ / H.265 / H.264+ / H.264 compression — up to 75% storage saving vs H.264
- 4K HDMI (3840 × 2160 @ 30 Hz) + 1 × VGA (1920 × 1080 @ 60 Hz) outputs
- HDMI / VGA simultaneous or independent (dual-monitor)
- 1 × RJ-45 10/100/1000 Mbps self-adaptive Gigabit Ethernet
- Adds up to 8 IP channels via re-allocation (40 total inputs)
- 1-ch RCA audio in / 1-ch RCA audio out + 1-ch two-way audio (uses audio input)
- 16 alarm inputs / 4 alarm outputs, 1 × RS-485 + 1 × RS-232 serial interfaces
- Front: 2 × USB 2.0 for mouse / backup; rear: 1 × USB 3.0 for fast HDD backup
- POS information overlay on live view + playback; POS-triggered recording and alarm
- ONVIF Profile S / G / T, Hik-Connect P2P, Hik-Central, iVMS-4200, plug-in-free web access
- Stream-over-TLS encryption; HTTPS, IP filter, digest auth
- 1.5U rack-mounted chassis (445 × 400 × 75 mm, ≤ 5 kg without HDD), 100-240 VAC PSU
- UK CE / UKCA certified
Typical Applications
- Mixed-tech sites — legacy HD-TVI / AHD / CVI analogue cameras alongside newer Hikvision IP cameras on a single recorder
- Upgrades from older 2 MP DVRs — per-channel resolution up to 8 MP (3K Lite) without recabling
- Sites needing on-recorder AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide AI — false-alarm filtering without per-camera licensing
- Large-storage installs — 4 × 10 TB SATA bays give 40 TB raw, suitable for sites needing 90+ days continuous recording
- SMB retail, hospitality, offices — up to 32 cameras with POS overlay for till integration
- Perimeter / line-crossing applications where analogue cameras are already in place
- Trade installs needing same-day stock — Netview CCTV Leicester ships from UK stock
Compatible Hikvision Devices
- Hikvision Turbo HD AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide bullet / turret cameras — DS-2CE7xDxT-LTS series (matches AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide classification with on-camera analytics)
- Hikvision Turbo HD ColorVuHikvision AcuSense vs ColorVu: UK Installer Guide for 2026 cameras — DS-2CE7xDxT-LFS / LMFS for 24/7 colour analogue
- Standard Turbo HD bullet / turret / dome cameras — 2 MP / 5 MP / 8 MP across the -E / -F / -PIRXO model lines
- Hikvision Pro Series IP cameras — G3 ColorVuHikvision AcuSense vs ColorVu: UK Installer Guide for 2026, AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide, DarkFighter — up to 8 channels via re-allocation
- Hikvision PoE switches — DS-3E0xxxP / DS-3E1xxxP for IP-camera supply
- Hikvision PTZ cameras — HD-TVI Turbo PTZ via coax (DS-2AE / PTZ-T) or IP PTZ via the Gigabit uplink
- Hik-Connect mobile (iOS / Android) for remote view, playback and push alerts
- iVMS-4200 desktop client (Windows / macOS) — multi-site centralised management
- Hik-Central VMS / Hik-Central Professional for enterprise deployments
- Surveillance-grade HDDs — Seagate SkyHawk / WD Purple recommended; available pre-fitted in the iDS-7332HUHI-M4/S-BB bundle SKU
What's in the Box
- 1 × Hikvision iDS-7332HUHI-M4/S 32-channel Ultra AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide DVR
- 1 × power adapter + UK power cord
- 1 × USB mouse
- 1 × HDD mounting screws + cable harness
- 1 × quick start guide
- 1 × IR remote (model-dependent)
📄 Download: Hikvision iDS-7332HUHI-M4/S Ultra AcuSense DVR Datasheet (PDF) — full technical specification including I/O diagrams, recording-resolution matrix, accessory list and approval certificates.
Detailed Specifications — Hikvision iDS-7332HUHI-M4/S
Full technical specification taken from the official Hikvision iDS-7332HUHI-M4/S Ultra AcuSense DVR datasheet.
| Video & Audio | |
|---|---|
| Analogue Video Input | 32 × BNC (1.0 Vp-p, 75 Ω) — HD-TVI / AHD / HDCVI / CVBS auto-detect (5-in-1) |
| HD-TVI Input | 8 MP / 3K Lite / 5 MP / 4 MP / 3 MP / 1080p25 / 1080p30 / 720p25 / 720p30 / 720p50 / 720p60 |
| AHD Input | 8 MP / 4 MP / 3 MP / 1080p / 720p |
| HDCVI Input | 8 MP / 4 MP / 1080p / 720p |
| CVBS Input | PAL / NTSC |
| IP Video Input | Up to 8 channels via re-allocation (40 total inputs) |
| HDMI Output | 4K (3840 × 2160) @ 30 Hz / 2K (2560 × 1440) @ 60 Hz / 1920 × 1080 @ 60 Hz / 1280 × 1024 @ 60 Hz / 1024 × 768 @ 60 Hz |
| VGA Output | 1920 × 1080 @ 60 Hz / 1280 × 1024 @ 60 Hz / 1024 × 768 @ 60 Hz |
| Video Output Mode | HDMI + VGA simultaneous or independent (dual-monitor) |
| Audio Input | 1-channel RCA (2.0 Vp-p, 1 KΩ) + coaxial audio (per HD-TVI channel) |
| Audio Output | 1-channel RCA (Linear, 1 KΩ) |
| Two-Way Audio | 1-channel (uses audio input) |
| Recording & Playback | |
| Compression | H.265 Pro+ / H.265 Pro / H.265 / H.264+ / H.264 |
| Recording Resolution | 8 MP / 3K Lite / 5 MP / 4 MP / 3 MP / 1080p / 720p / WD1 / 4CIF / VGA / CIF |
| Frame Rate | Main stream: 8 MP @ {12,15,25} fps / 1080p @ 25 fps / 720p @ 25 fps. Sub-stream: WD1 / 4CIF / CIF @ 25 fps |
| Bit Rate | 32 Kbps to 10 Mbps per channel |
| Synchronous Playback | 32-channel |
| Stream Type | Video, Video & Audio |
| Audio Compression | G.711ulaw / G.711alaw / G.722.1 / G.726 / MP2L2 / PCM / AAC |
| Smart Function (AcuSense) | |
| Human / Vehicle Classification | Up to 16-channel on-DVR (advanced AcuSense mode) — filters false alarms from animals, foliage, weather |
| Perimeter Protection | Line Crossing / Intrusion / Region Entrance / Region Exit — classifiable by target type |
| Facial Detection | Up to 1-channel face capture (analogue or IP) |
| VCA Events | Motion / Tampering / Video Loss / PIR (with PIR cameras) / Sudden Scene Change |
| POS Function | POS information overlay on live view + playback, POS-triggered recording and alarm |
| Network | |
| Network Interface | 1 × RJ-45 10/100/1000 Mbps self-adaptive Gigabit Ethernet |
| Network Protocols | TCP/IP, PPPoE, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP™, HTTPS, ONVIF |
| Remote Connections | 128 |
| Cloud / VMS | Hik-Connect P2P, ONVIF Profile S/G/T, Hik-Central, Hik-Central Professional, iVMS-4200, plug-in-free web access |
| Security | HTTPS, stream encryption, digest authentication, IP address filter |
| Storage | |
| SATA Bays | 4 × SATA 3.5″ (hot-swap) |
| Max HDD Capacity | 10 TB per HDD (raw 40 TB) |
| HDD Quota | Per-channel quota (capacity or duration based) |
| ANR (Auto Network Replenishment) | Yes — fills recording gaps from camera-side SD on network recovery (IP channels) |
| Interfaces | |
| USB Interface | Front panel: 2 × USB 2.0; Rear panel: 1 × USB 3.0 |
| Alarm I/O | 16 in / 4 out |
| Serial Interface | 1 × RS-485 (half-duplex) + 1 × RS-232 |
| General | |
| Power Supply | 100-240 VAC, 50/60 Hz |
| Power Consumption | ≤ 50 W (without HDD) |
| Chassis | 1.5U rack-mounted |
| Dimensions (W × D × H) | 445 × 400 × 75 mm |
| Weight | ≤ 5.0 kg (without HDD) |
| Operating Temperature | -10 °C to 55 °C (14 °F to 131 °F) |
| Operating Humidity | 10% to 90% (non-condensing) |
| Approvals | FCC, CE, UKCA, RoHS, REACH, WEEE |
Documentation — Hikvision iDS-7332HUHI-M4/S Ultra AcuSense DVR
Download the official Hikvision datasheet for the iDS-7332HUHI-M4/S Ultra AcuSense DVR, plus browse related categories on netviewcctv.co.uk.
| Document | Format | Link |
|---|---|---|
| iDS-7332HUHI-M4/S Product Datasheet | Download datasheet | |
| Browse all 32-Channel DVRs at Netview CCTV | Web | View 32-channel DVR range |
| Browse all DVRs at Netview CCTV | Web | View all DVRs |
| Contact Netview CCTV (trade pricing & support) | Web | Contact our trade team |
Netview CCTV — authorised Hikvision wholesale distributor (Leicester, UK). For trade pricing on the iDS-7332HUHI-M4/S and the matching HDD-bundle (-BB) variant, contact our trade team on 0116 3800 838 or [email protected].