Overview
The DS-7732NXI-I4/S(E) is a 1.5U, 32‑channel AcuSense network video recorder (NVR) designed for medium-to-large IP CCTV installations. It supports H.265+/H.265/H.264 codecs, deep‑learning analytics (AcuSense) including human/vehicle perimeter protection and facial detection, and local storage via four hot‑swap SATA bays.

• 32 IP channel inputs (model dependent; ultra‑HD modes may limit very high resolution to channel 1)
• AcuSense deep‑learning analytics: perimeter protection (human/vehicle), Motion Detection 2.0, facial detection/face‑picture comparison
• Video codecs: H.265+/H.265/H.264+/H.264 for reduced storage requirements
• Video outputs: HDMI1 up to 4K (3840×2160/60Hz); second HDMI/VGA available for simultaneous output
• Storage: 4 × SATA hot‑swap HDD bays + 1 × eSATA port; supports large per‑disk capacities (see datasheet)
• Network: Dual 1GbE ports; incoming/outgoing bandwidth up to 256 Mbps; up to 128 remote connections
• I/O and ports: 16 alarm inputs / 4 alarm outputs, front 2×USB2.0, rear 1×USB3.0, RS‑485/RS‑232, audio RCA in/out

Use cases
Suitable for commercial and large residential CCTV systems requiring central recording, advanced analytics for perimeter alarms and facial detection, and flexible storage options. Commonly used in retail, office buildings, logistics centres and multi‑site deployments with central management systems.

Installation & compliance
Professional installation is recommended. Verify the exact SKU variant (PoE vs non‑PoE) before commissioning. Check local requirements and the datasheet for CE/UKCA and other certification information; follow Hikvision and local regulatory guidance when integrating into a security system.