Hikvision DS-7732NI-K4/16P 32-Channel 4K Network Video Recorder with 16 PoE Ports
The Hikvision DS-7732NI-K4/16P 32-Channel 4K NVR is a high-performance network video recorder designed for enterprise-grade surveillance systems. It supports up to 32 IP camera inputs with H.265+/H.265/H.264+/H.264 compression for efficient storage and bandwidth management. With 16 PoE ports for plug-and-play camera connection, dual independent HDMI/VGA outputs, and four SATA interfaces supporting up to 16 TB per drive, this NVR provides robust storage and reliable high-resolution recording. It offers intelligent video decoding with up to 8 MP resolution, 256 Mbps incoming bandwidth, and advanced audio/video support, making it ideal for large-scale commercial or industrial monitoring setups.
Product Features
Enterprise-Level Multi-Channel Recording
Supports up to 32 IP cameras with synchronous 16-channel playback for complete surveillance coverage.
High-Resolution Video Output
HDMI output supports 4K resolution while VGA provides flexible display options for multiple monitoring setups.
Efficient Video Compression
H.265+/H.265/H.264+/H.264 formats reduce storage usage and network load while preserving image clarity.
PoE Plug-and-Play Connectivity
16 built-in PoE ports deliver both power and data over a single cable for simplified installation and management.
Large Storage Capacity
Four SATA interfaces allow up to 16 TB per HDD, accommodating extensive long-term recordings.
Advanced Audio and Two-Way Communication
Supports RCA audio output and one-way/two-way audio to enhance monitoring and alert systems.
Network Flexibility
Supports TCP/IP, DHCP, Hik-Connect, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, and HTTPS protocols for versatile remote access.
Product Specifications
- IP Video Input: 32 channels
- Incoming Bandwidth: 256 Mbps
- Outgoing Bandwidth: 160 Mbps
- HDMI Output: 1-ch, 4K (3840 × 2160)/30 Hz, 2K (2560 × 1440)/60 Hz, 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
- VGA Output: 1-ch, 1920 × 1080/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
- Audio Output: 1-ch, RCA (Linear, 1 KΩ)
- Two-Way Audio: 1-ch, RCA (2.0 Vp-p, 1 KΩ using audio input)
- Video Output Mode: HDMI/VGA independent output
- 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
- Synchronous Playback: 16-ch
- Decoding Capability: Smooth Playback (HC) ON: 1-ch @ 12 MP (30 fps) / 2-ch @ 8 MP (30 fps) / 4-ch @ 4 MP (30 fps) / 9-ch @ 1080p (30 fps); Smooth Playback (HC) OFF: 1-ch @ 12 MP (30 fps) / 2-ch @ 8 MP (30 fps) / 5-ch @ 4 MP (30 fps) / 10-ch @ 1080p (30 fps)
- Stream Type: Video, Video & Audio
- Audio Compression: G.711ulaw, G.711alaw, G.722, G.726
- Remote Connection: 128-ch
- Network Protocol: TCP/IP, DHCP, IPv4, Hik-Connect, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS
- Network Interface: 1 × RJ-45 10/100/1000 Mbps self-adaptive Ethernet
- PoE Interface: 16 × RJ-45 10/100 Mbps self-adaptive Ethernet, Power ≤200 W, Standard IEEE 802.3 af/at
- Serial Interface: 2 × RS-485 (half-duplex), 1 × RS-232
- SATA Interface: 4, up to 16 TB per HDD
- Alarm In/Out: 16/4 (16/9 optional)
- USB Interface: Front panel 2 × USB 2.0, Rear panel 1 × USB 3.0
- Power Supply: 100–240 VAC, 50–60 Hz
- Power Consumption: ≤20 W (without HDD and PoE off)
- Operating Temperature: -10 °C to 55 °C (14 °F to 131 °F)
- Operating Humidity: 10% to 90%
- Dimensions (W × D × H): 445 × 400 × 71 mm (17.5″ × 15.7″ × 2.8″)
- Weight: ≤5 kg (without HDD, 11 lb.)
- Certifications: 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, CE, KC, WEEE, REACH, ROHS, CB, L



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