Hikvision DS-7732NI-M4/16P 32-Channel NVR

Hikvision DS-7732NI-M4/16P 32-Channel 32MP NVR

The Hikvision M Series DS-7732NI-M4/16P is a high-performance network video recorder engineered for enterprise-grade surveillance deployments. This 32-channel NVR supports up to 32MP resolution, delivering exceptional image clarity and detail for mission-critical security operations. With advanced H.265+ compression, flexible storage architecture, and robust remote access capabilities, the DS-7732NI-M4/16P provides scalable video management for organizations ranging from mid-sized businesses to large-scale corporate installations.

Key Features

• 32-Channel 32MP Input: Supports up to 32 channels of IP video input with maximum 32MP resolution per channel, with ultra-HD mode enabling 8-channel 32MP/24MP concurrent recording
• H.265+ Video Compression: Advanced codec reduces bandwidth and storage requirements by up to 90% compared to H.264, optimizing network efficiency and extending retention periods
• Extensive Storage Capacity: Four SATA HDD slots supporting up to 16TB per drive, plus one eSATA interface for additional external storage expansion
• Dual-Stream Recording: Simultaneous primary and secondary stream recording enables flexible bandwidth management and quality optimization
• Multi-Format Output: HDMI 1 supports 8K resolution at 30Hz, dual HDMI outputs with independent configuration, plus VGA and CVBS legacy support
• 16-Channel Synchronous Playback: Review multiple streams simultaneously with synchronized playback for comprehensive incident investigation
• Advanced Decoding: Capable of decoding 2-channel 32MP at 30fps, or up to 40-channel 1080p simultaneously

Technical Specifications

• Network Bandwidth: 320 Mbps incoming, 400 Mbps outgoing with 128 remote connections supported
• Audio Support: G.711ulaw/G.711alaw/G.722/G.726/AAC/MP2L2 compression with two-way audio via RCA connectors
• Alarm Management: 16 alarm inputs and 9 alarm outputs with controllable 12VDC power output for external device integration
• Network Protocols: Full TCP/IP stack including DHCP, IPv6, DDNS, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, HTTP, HTTPS
• Physical Form Factor: 19-inch rack-mounted 1.5U chassis, 445 × 400 × 75mm, weighing ≤5kg (without HDDs)
• Power Consumption: ≤15W (without HDD and PoE disabled); standard 100-240VAC input with IEEE 802.3af/at PoE compliance
• Operating Environment: Temperature range -10°C to 55°C; humidity tolerance 10% to 90%

Professional Applications

The DS-7732NI-M4/16P is ideal for large-scale surveillance deployments including enterprise campuses, retail chains, hospitality operations, transportation hubs, and government facilities. The system's high channel density, advanced compression, and flexible output options make it well-suited for control room monitoring, multi-site management, and integration into existing IP security infrastructure.

Eden Phillips

This NVR represents a mature enterprise platform balancing raw capacity with practical deployment considerations. The 32-channel architecture with 32MP support positions it for organizations moving beyond 1080p, though the ultra-HD mode constraint (8-channel maximum at 32MP) suggests this feature targets specialized high-resolution applications rather than full 32-channel 32MP recording. H.265+ compression delivers meaningful bandwidth and storage savings for businesses managing multiple 24/7 recording streams.

The dual HDMI output design with independent resolution control, combined with 16-channel playback, enables sophisticated control room configurations. Alarm I/O density and RS-485 serial support accommodate complex integrations with access control, HVAC, and legacy security systems. The 1.5U rack form factor and four SATA bays provide straightforward scaling in distributed deployments.

Organizations should factor network bandwidth planning (320 Mbps sustained input) and validate camera compatibility through Hikvision's ONVIF certification matrix prior to deployment.