Hikvision DS-7732NXI-K4(E) 32 Channel Non-PoE 12MP AcuSense NVR
In stock
The Hikvision DS-7732NXI-K4(E) is a 32-channel K-Series AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide 4K NVR, E version, with no built-in PoE (use an external PoE switch), 4 SATA bays up to 16 TB each and 256 Mbps incoming bandwidth. Hikvision model name: 32-ch 1.5U K Series AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide 4K NVR.
New for Q3 2026, replacing the (D) version. Genuine Hikvision product. Trade pricing and availability from Netview CCTV Leicester — authorised Hikvision wholesale distributor (call 0116 3800 838).
Key Features
- 32-channel IP input — cameras up to 12 MP on every channel, plus a 16 MP camera on channel 1
- Non-PoE recorder — connect cameras through an external PoE switch
- E-version decodingWhat is Decoding Capability upgrade: up to 3 × 12 MP / 5 × 8 MP / 10 × 4 MP / 20 × 1080p (AI off), 2 × 12 MP / 4 × 8 MP / 8 × 4 MP / 16 × 1080p (AI on)
- AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide perimeter protection and Motion Detection 2.0 classify people and vehicles, cutting false alarms
- AcuSearch on all channels — find people and vehicles in playback in seconds (with AcuSearch-enabled cameras)
- Facial detection and analysis (2-ch up to 4 MP) and face picture comparison (8-ch), up to 50,000 face pictures
- Bandwidth: 256 Mbps incoming / 160 Mbps outgoing
- 4K HDMI + VGA independent outputs
- 4 × SATA bays, up to 16 TB per HDD (64 TB total)
- 2 × Gigabit Ethernet (dual LAN)
- 16 alarm inputs / 4 alarm outputs, 2 × RS-485 and 1 × RS-232
- H.265+ / H.265 / H.264+ / H.264; ONVIF (Profile S/G), ISAPI and SDK
- 19-inch 1.5U rack-mount case (440 × 391 × 72 mm); power 100 to 240 VAC, 50 to 60Hz
- Remote viewing with the free Hik-Connect app, iVMS-4200 and HikCentral
Hikvision DS-7732NXI-K4(E) — 32-ch 1.5U K Series AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide 4K NVR
32-channel K-Series AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide 4K NVR, E version, with no built-in PoE (use an external PoE switch), 4 SATA bays up to 16 TB each and 256 Mbps incoming bandwidth.
Overview
New for Q3 2026: the Hikvision DS-7732NXI-K4(E) is the E version of Hikvision's 32-channel AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide K-Series NVR. It replaces the DS-7732NXI-K4(D) with an upgraded decodingWhat is Decoding Capability engine — up to 3 × 12 MP and 20 × 1080p at 30 fps with AI off, against 2 × 12 MP and 16 × 1080p on the D version — and adds support for a 16 MP camera on channel 1 (firmware V4.85.010 or later).
AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide deep learning classifies people and vehicles for perimeter protection (line crossing, intrusion, region entrance and exit) and for Motion Detection 2.0 on all channels, so alarms ignore animals, leaves and weather. AcuSearch finds a person or vehicle across every channel in playback, and facial recognition compares faces against up to 16 libraries (50,000 pictures).
4 SATA bays take surveillance hard drives up to 16 TB each — choose a pre-installed drive in the options above. Bandwidth is 256 Mbps in and 160 Mbps out, video goes to 4K HDMI and VGA at the same time, and the recorder works with Hik-Connect, iVMS-4200, HikCentral and ONVIF cameras. Order from Netview CCTV Leicester — authorised Hikvision wholesale distributor — with trade pricing for installers; call 0116 3800 838 for availability.
Key Features
- 32-channel IP input — cameras up to 12 MP on every channel, plus a 16 MP camera on channel 1
- Non-PoE recorder — connect cameras through an external PoE switch
- E-version decodingWhat is Decoding Capability upgrade: up to 3 × 12 MP / 5 × 8 MP / 10 × 4 MP / 20 × 1080p (AI off), 2 × 12 MP / 4 × 8 MP / 8 × 4 MP / 16 × 1080p (AI on)
- AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide perimeter protection and Motion Detection 2.0 classify people and vehicles, cutting false alarms
- AcuSearch on all channels — find people and vehicles in playback in seconds (with AcuSearch-enabled cameras)
- Facial detection and analysis (2-ch up to 4 MP) and face picture comparison (8-ch), up to 50,000 face pictures
- Bandwidth: 256 Mbps incoming / 160 Mbps outgoing
- 4K HDMI + VGA independent outputs
- 4 × SATA bays, up to 16 TB per HDD (64 TB total)
- 2 × Gigabit Ethernet (dual LAN)
- 16 alarm inputs / 4 alarm outputs, 2 × RS-485 and 1 × RS-232
- H.265+ / H.265 / H.264+ / H.264; ONVIF (Profile S/G), ISAPI and SDK
- 19-inch 1.5U rack-mount case (440 × 391 × 72 mm); power 100 to 240 VAC, 50 to 60Hz
- Remote viewing with the free Hik-Connect app, iVMS-4200 and HikCentral
Typical Applications
- Larger commercial and industrial sites with up to 32 cameras
- Comms-cabinet installs (19-inch 1.5U rack mount)
- Sites with external PoE switches and alarm integration (16 in / 4 out, RS-485)
Compatible Devices
- Hikvision IP cameras up to 12 MP (16 MP on channel 1) — AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide, ColorVuHikvision AcuSense vs ColorVu: UK Installer Guide for 2026, DarkFighter
- Third-party ONVIF cameras (Profile S / G)
- Hikvision PoE switches for camera power
- Hikvision surveillance hard drives up to 16 TB
- Hik-Connect app (iOS / Android), iVMS-4200 and HikCentral
What's in the Box
- 1 × Hikvision DS-7732NXI-K4(E) NVR
- Mains power cord
- USB mouse
- HDD screws and cables (where supplied)
- Quick start guide
Detailed Specifications — Hikvision DS-7732NXI-K4(E)
Specifications as published by Hikvision (22-10-2026) for the DS-7732NXI-K4(E) base model; where Hikvision lists an /IO variant its value is shown in brackets. Shipping weight may differ from the unit weight shown.
| Identification | |
|---|---|
| Model | DS-7732NXI-K4(E) |
| Hikvision SAP code | 303623342 |
| EAN | 6936422167554 |
| Brand | Hikvision |
| Hikvision product name | 32-ch 1.5U K Series AcuSense 4K NVR |
| Series | AcuSense K-Series, E version |
| Intelligent Analytics | |
| AI by NVR | Facial recognition, perimeter protection, motion detection 2.0, AcuSearch |
| AI by Camera | Facial recognition, perimeter protection, motion detection 2.0, ANPR |
| AcuSearch | |
| By Camera | All channels *: The camera should enable AcuSearch function |
| Perimeter Protection | |
| By NVR | Video analysis (HD network camera, H.264/H.265) for human and vehicle recognition to reduce false alarm. Up to 4 MP: 2-ch; 8 MP to 5 MP: 1-ch |
| By Camera | All channels |
| Target Recognition | |
| Facial Detection and Analytics | Face picture comparison, human face capture, face picture search |
| Facial Detection and Analytics Performance | Up to 4 MP: 2-ch; 8 MP to 5 MP: 1-ch |
| Face Picture Comparison | 8-ch |
| Face Picture Library | Up to 16 face picture libraries, with up to 50,000 face pictures in total (each picture ≤ 1 MB, total capacity ≤ 1 GB) |
| Motion Detection 2.0 | |
| By NVR | All channels, up to 4 MP (when enhanced SVC mode is enabled, up to 8 MP) video analysis for human and vehicle recognition to reduce false alarm |
| By Camera | All channels |
| Video and Audio | |
| IP Video Input | 32-ch |
| IP Speaker Input | 4-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, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz |
| Video Output Mode | HDMI/VGA independent output |
| 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 | 16 MP/12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080P/UXGA/720P/VGA/4CIF/DCIF/2CIF/CIF/QCIF *: 16 MP is only available for channel 1. |
| Synchronous Playback | 16-ch |
| Decoding Capability | AI on: 2-channel 12 MP@30 fps, 4-channel 8 MP@30 fps, 5-channel 6 MP@30 fps, 8-channel 4 MP@30 fps, 10-channel 3 MP@30fps, 16-channel 2 MP@30fps AI off: 3-channel 12 MP@30 fps, 5-channel 8 MP@30 fps, 6-channel 6 MP@30 fps, 10-channel 4 MP@30 fps, 13-channel 3 MP@30fps, 20-channel 2 MP@30fps |
| Stream Type | Video, Video and Audio |
| Audio Compression | G.711ulaw/G.711alaw/G.722/G.726/AAC/MP2L2 |
| Network | |
| Remote Connection | 128 |
| API | ONVIF (profile S/G); SDK; ISAPI |
| Compatible Browser | IE 11, Chrome 91, Firefox 88, Safari 12, Edge 91,or above version |
| Network Protocol | TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, iSCSI, ISUP, UPnP™, HTTP, HTTPS |
| Network Interface | 2, RJ-45 10/100/1000 Mbps self-adaptive Ethernet interfaces |
| Auxiliary Interface | |
| SATA | 4 SATA interfaces |
| Capacity | Up to 16 TB capacity for each HDD |
| Serial Interface | 2 RS-485 (half-duplex), 1 RS-232 |
| Alarm In/Out | 16/4 (/IO variant: 16/9) |
| eSATA | Not on this model (/IO variant: 1 eSATA interface) |
| USB Interface | Front panel: 2 × USB 2.0; Rear panel: 1 × USB 3.0 |
| Ctrl 12V | Not on this model (/IO variant: Support) |
| DC 12V | 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, Hebrew, Ukrainian, Indonesian |
| Fan | Supports |
| Power Supply | 100 to 240 VAC, 50 to 60Hz |
| Consumption | ≤ 50 W (without HDD) |
| Working Temperature | -10 °C to 55 °C (14 °F to 131 °F) |
| Working Humidity | 10 to 90 % |
| Dimension (W × D × H) | 440 × 391 × 72 mm (17.32 × 15.39 × 2.82 inch) |
| Weight | ≤ 4kg (without HDD, 9 lb.) |
| Certification | |
| CE | EN 55032: 2015, EN 61000-3-2, EN 61000-3-3, EN 55035: 2017 |
| Obtained Certification | CE,CB,REACH,WEEE,UKCA,RCM,IC |
Frequently Asked Questions
How many cameras does the Hikvision DS-7732NXI-K4(E) support?
32 IP cameras up to 12 MP each; channel 1 also accepts a 16 MP camera (firmware V4.85.010 or later).
What is new in the (E) version?
A faster decoding engine (up to 3 × 12 MP and 20 × 1080p at 30 fps with AI off, against 2 × 12 MP and 16 × 1080p on the D version) and 16 MP support on channel 1. AcuSense, AcuSearch and facial recognition carry over from the (D) version.
Does it have built-in PoE?
No — this is a non-PoE model; connect cameras through an external PoE switch.
How much storage can it take?
4 SATA hard drives up to 16 TB each (64 TB total). You can order it with a surveillance drive pre-installed.
Does it reduce false alarms?
Yes — AcuSense perimeter protection and Motion Detection 2.0 classify people and vehicles, so alarms ignore animals, leaves and rain.
What bandwidth does it support?
256 Mbps incoming / 160 Mbps outgoing.
How do I view it remotely?
With the free Hik-Connect app, iVMS-4200 or HikCentral; ONVIF cameras are supported too.
Documentation — Hikvision DS-7732NXI-K4(E)
Official Hikvision documents for this model and related Netview CCTV pages.
| Document | Format | Link |
|---|---|---|
| Hikvision DS-7732NXI-K4(E) Data Sheet (official PDF) | Download | |
| Hikvision DS-7732NXI-K4(E) product page | Web | View |
| Hikvision NVR User Manual | Download | |
| Browse all 32-channel NVRs | Web | View |
| Contact Netview CCTV (trade pricing & support) | Web | View |
Netview CCTV — authorised Hikvision wholesale distributor (Leicester). Trade pricing: 0116 3800 838 or [email protected].