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DS-7732NXI-K4 32-Channel 4K AcuSense Network Video Recorder – Premium Surveillance NVR
High-capacity 32-channel NVR with 4K support, advanced video compression, and intelligent analytics for reliable home and business surveillance.
The DS-7732NXI-K4 32-Channel Network Video Recorder is designed for large-scale security setups where performance and clarity matter. This powerful NVR supports up to 32 IP cameras simultaneously, giving you broad coverage for warehouses, offices, retail spaces, or multi-site properties with ease. Its support for efficient video formats like H.265+ and H.264 helps reduce storage demands while preserving crisp footage.
Equipped with up to 256 Mbps incoming bandwidth, the unit handles multiple high-resolution streams smoothly and reliably. You can view live feeds and playback recordings on a 4K TV or monitor thanks to its 4K HDMI output, and an independent VGA port gives you flexibility with displays.
Acutely tuned for smart security, this NVR incorporates AcuSense technology to help reduce false alarms and prioritize important events — making everyday monitoring easier and more effective. With room for multiple hard drives and intuitive interfaces, the DS-7732NXI-K4 is a dependable choice for users who want scalable, professional-grade surveillance without complexity.
| AI by Device | Facial recognition, perimeter protection, motion detection 2.0 |
|---|---|
| AI by Camera | Facial recognition, perimeter protection, throwing objects from building, motion detection2.0, ANPR, VCA |
| Facial Detection and Analytics | Face picture comparison, human face capture, face picture search |
| Face Picture Library | Up to 16 face picture libraries, with up to 20,000 face pictures in total (each picture ≤ 4 MB, total capacity ≤ 1 GB) |
| By Device | 2-ch, 4 MP (HD network camera, H.264/H.265) video analysis for human and vehicle recognition to reduce false alarm |
| By Camera | All channels |
| IP Video Input | 32-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, 1280 × 1024/60Hz, 1280 × 720/60Hz |
| 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 Format | H.265/H.265+/H.264+/H.264 |
| Recording Resolution | 12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080p/UXGA/ 720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF |
| Decoding Capability | AI on: 1-ch@12 MP (30 fps)/2-ch@8 MP (30 fps)/4-ch@4 MP (30 fps)/8-ch@1080p (30 fps) AI off: 2-ch@12 MP (30 fps)/3-ch@8 MP (30 fps)/6-ch@4 MP (30 fps)/12-ch@1080p (30 fps) Smooth Playback (HC) ON & AI ON: 1-ch@12 MP (30 fps)/1-ch@8 MP (30 fps)/3-ch@4 MP (30 fps)/7-ch@1080p (30 fps) Smooth Playback (HC) ON & AI OFF: 1-ch@12 MP (30 fps)/2-ch@8 MP (30 fps)/5-ch@4 MP (30 fps)/11-ch@1080p (30 fps) |
| Audio Compression | G.711ulaw/G.711alaw/G.722/G.726/AAC |
| Remote Connection | 128 |
| Compatible Browser | IE11, Chrome V57, Firefox V52, Safari V12, Edge V89, or above version |
| Network Interface | 2 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interfaces |
| SATA | 4 SATA interfaces |
| Capacity | Up to 16 TB capacity for each HDD |
| USB Interface | Front panel: 2 × USB 2.0; Rear panel: 1 × USB 3.0 |
| GUI Language | English, Russian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Turkish, Japanese, Danish, Swedish Language, Norwegian, Finnish, Korean, Traditional Chinese, Thai, Estonian, Vietnamese, Croatian, Slovenian, Serbian, Latvian, Lithuanian, Uzbek, Kazakh, Arabic, Ukrainian, Kyrgyz , Brazilian Portuguese, Indonesian |
| Power Supply | 100 to 240 VAC, 50 to 60Hz |
| Dimension (W × D × H) | 445 × 400 × 75 mm ( 17.5"× 15.7" × 3.0") |
| FCC | Part 15 Subpart B, ANSI C63.4-2014 |
| CE | EN 55032: 2015, EN 61000-3-2, EN 61000-3-3, EN 50130-4, EN 55035: 2017 |
| Obtained Certification | CE, FCC, IC, CB, KC, UL, Rohs, Reach, WEEE, RCM, UKCA, LOA, BIS |







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