Hikvision DS-7732NI-I4 32-Channel 4K NVR with 4 SATA Interfaces

32-Channel Surveillance with Advanced Camera Support

The Hikvision DS-7732NI-I4 is a 32-channel 4K network video recorder housed in a 19-inch rack-mounted 1.5U chassis. Centralize camera feeds across entrances, offices, shop floors, and other monitored areas, with four SATA interfaces for a multi-drive recording system.

Features and Benefits

• Up to 32 IP cameras: Organize a larger surveillance installation around one recorder.
• 256 Mbps incoming bandwidth: Plan camera streams within the stated incoming bandwidth limit.
• High-resolution decoding: Supports 2 channels at 12 MP (20 fps), 4 at 8 MP (25 fps), 8 at 4 MP (30 fps), or 16 at 1080p (30 fps).
• Four HDD interfaces: Four SATA connections, supporting up to 10 TB per HDD.
• Special-function camera support: Thermal, fisheye, people-counting, heatmap, and ANPR cameras, subject to camera compatibility.
• Advanced streaming: Supports smooth live view and data self-correction in poor network conditions.
• Dual-stream recording: Supports workflows intended to save time and bandwidth.

Video and Audio

• IP video input: 32 channels
• HDMI output resolutions: 3840 × 2160/60 Hz, 3840 × 2160/30 Hz, 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
• VGA output: Supported; exact output resolutions are not specified in the supplied information
• CVBS: 1-channel BNC, 1.0 Vp-p, 75 Ω; PAL 704 × 576, NTSC 704 × 480
• Audio output: 1-channel RCA, linear, 1 kΩ
• Two-way audio: 1-channel RCA, 2.0 Vp-p, 1 kΩ

Decoding and Recording

• Formats: H.265 / H.265+ / H.264 / H.264+ / MPEG4
• Decoding: 2-ch @ 12 MP (20 fps) / 4-ch @ 8 MP (25 fps) / 8-ch @ 4 MP (30 fps) / 16-ch @ 1080p (30 fps)
• Synchronous playback: 16 channels
• Recording resolutions: 12 MP / 8 MP / 6 MP / 5 MP / 4 MP / 3 MP / 1080p / UXGA / 720p / VGA / 4CIF / DCIF / 2CIF / CIF / QCIF

Network and Interfaces

• Network: 2 RJ45 10/100/1000 Mbps self-adaptive Ethernet interfaces
• Incoming bandwidth: 256 Mbps
• Remote connections: 128
• Protocols: TCP/IP, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP, HTTPS
• Built-in PoE: None
• RAID: Not supported
• SATA: 4 interfaces; up to 10 TB per HDD
• Serial: 1 RS-485 half-duplex and 1 RS-232
• USB: Front, 2 USB 2.0; rear, 1 USB 3.0
• Alarm input/output: 16/4

General Specifications

• Power consumption: ≤20 W, as supplied
• Operating temperature: −10°C to +55°C
• Operating humidity: 10–90%
• Chassis: 19-inch rack-mounted 1.5U
• Dimensions (W × D × H): 445 × 400 × 71 mm
• Weight: ≤5 kg

Version and Installation Notes

The supplied information specifies that only the (B) version supports two HDMI interfaces and one VGA interface with independent HDMI video output. This listing does not identify the unit as the (B) version, so confirm the hardware revision and output configuration before purchase.

A 32 MP decoding claim appears in the feature summary but is not confirmed by the detailed decoding specification. The decoding capacities listed above follow the detailed specification. Confirm the power-supply input rating before installation; the supplied power-supply entry gives only a wattage, not an input voltage.

Provide suitable camera power separately, as this model has no built-in PoE interface. Four SATA interfaces indicate storage support, not included hard drives. Confirm camera compatibility, HDD inclusion, and supplied accessories before purchase.