Hikvision DS-7732NI-I4 32 Channel 4K 1.5U NVR
100% Official Brand / Serial Number Verifiable / 3-Year Warranty
(HDD not included)
- 32-channel NVR – connect up to 32 IP cameras simultaneously
- Records in ultra-high 12MP resolution for crisp detail
- 4 HDD bays – supports up to 64TB total storage
- Smart H.265+ compression – saves up to 75% storage vs H.264
- Free remote viewing via Hik-Connect app – anywhere, anytime
- Works with all ONVIF-compliant IP cameras
- Dual Gigabit Ethernet ports for reliable network performance
Details
32-Channel Professional Network Video Recorder
The Hikvision DS-7732NI-I4 is a professional network video recorder designed for commercial buildings, retail stores, campuses, industrial facilities, and other multi-camera surveillance systems. It supports up to 32 IP camera inputs and provides up to 256 Mbps incoming bandwidth. The recorder supports H.265+, H.265, H.264+, and H.264 video formats for flexible recording and storage management.
32MP Input and Flexible Decoding
The recorder supports IP video inputs with resolutions up to 32MP. Under the specified decoding conditions, it supports 1-channel 32MP at 30 fps, 2-channel 12MP at 20 fps, 4-channel 8MP at 25 fps, 8-channel 4MP at 30 fps, or 16-channel 1080p at 30 fps. The actual decoding capacity depends on the selected camera streams, resolution, frame rate, codec, and system configuration.
4K Display and Storage Expansion
The DS-7732NI-I4 provides independent HDMI and VGA outputs, with HDMI output up to 4K resolution. It includes 4 SATA interfaces for hard drive installation and supports up to 10 TB per disk according to the datasheet. The recorder also supports 16-channel synchronous playback, dual-stream recording, and an optional eSATA interface for compatible storage expansion.
Smart Camera and POS Integration
The recorder supports compatible special camera functions, including VCA events, motion detection, line crossing, intrusion detection, heat maps, ANPR, and people counting. POS information can be overlaid on live view and playback, while POS-triggered recording and alarm functions support retail, commercial, and transaction-monitoring applications.
Specification
| Video and Audio | |
| IP Video Input | Up to 12 MP resolution \*: 32 MP and 24 MP is only available for channel 1 when ultra HD resolution mode is enabled. For DS-7732NI-I4(B), when ultra HD resolution mode is enabled, it will reduce the IP video input to 24-ch. |
| Incoming Bandwidth | 256 Mbps |
| Outgoing Bandwidth | 256 Mbps |
| HDMI | 1 Output4K (3840 × 2160)/60Hz, 4K (3840 × 2160)/30Hz, 1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz |
| HDMI | 2 Output1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz |
| VGA Output | 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz |
| Video Output Mode | HDMI1/VGA simultaneous output, HDMI2/VGA independent output |
| CVBS Output | 1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480 |
| 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+/MPEG4 |
| Recording Resolution | 32 MP/24 MP/12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080p/UXGA/720p/VGA /4CIF/DCIF/ 2CIF/CIF/QCIF \*: 32 MP and 24 MP is only available for channel 1 when ultra HD resolution mode is enabled. For DS-7732NI-I4(B), when ultra HD resolution mode is enabled, it will reduce the IP video input to 24-ch. |
| Synchronous Playback | 16-ch |
| Decoding Capability | 1-ch@32 MP (30 fps)/2-ch@12 MP (20 fps)/4-ch@8 MP (25 fps)/8-ch@4 MP (30 fps)/16-ch@1080p (30 fps) |
| Dual-Stream Recording | Support |
| Stream Type | Video, Video & Audio |
| Audio Compression | G.711ulaw/G.711alaw/G.722/G.726 |
| Network | |
| Remote Connection | 128 |
| Network Protocol | TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS, ONVIF(Version 2.2), OTAP |
| Network Interface | 2 RJ-45 10/100/1000 Mbps self-adaptive Ethernet interfaces |
| Camera Access Protocol | ONVIF(Version 2.5), RTSP |
| Auxiliary Interface | |
| Serial Interface | 1 RS-485 (half-duplex), 1 RS-232 |
| SATA | 4 SATA interfaces |
| eSATAN/A ( | 1 eSATA interface is optional) |
| Capacity | Up to 16 TB capacity for each disk |
| Alarm In/Out | 16/4 (16/8 is optional) |
| USB Interface | Front panel: 2 × USB 2.0; Rear panel: 1 × USB 3.0 |
| General | |
| Power | Supply100 to 240 VAC, 50 to 60 Hz |
| Consumption | ≤ 20 W (without HDD) |
| Working Temperature | -10 to +55º C (+14 to +131º F) |
| Working Humidity | 10 to 90 % |
| Chassis | 19-inch rack-mounted 1.5U chassis |
| Dimension | (W × D × H)445 × 400 × 75 mm ( 17.5"× 15.7" × 3.0") |
| ≤ | 5 kg (11 lb.) |
| Certification | |
| FCCPart | 15 Subpart B, ANSI C63.4-2014 |
| CEEN | 55032:2015, EN 61000-3-2, EN 61000-3-3, EN 50130-4 \*Product performance is based on testing in a controlled environment. Your results may vary due to several external and environmental factors. |





