First Offer NVR Hikvision 16 It contains 16 PoE ports, advanced AI feature, and supports cameras with resolution over 12MP. Second Offer This is a network video recorder from Hikvision, model DS-7732NXI-K4(D). Here are the full and detailed technical specifications for this model: 1. Channels and Network Connection Number of Channels: Supports connecting up to 32 channels (32 IP network cameras). Bandwidth: Supports an incoming bandwidth of up to 256 Mbps. Outgoing bandwidth of up to 160 Mbps. Network Ports: Features two self-adaptive network ports (2x RJ-45 Mbps Ethernet interfaces). 2. Display Quality and Decoding (Decoding & Resolution) Supported Recording Resolution: Supports very high camera resolutions starting from standard resolutions up to 12MP (12MP / 8MP / 6MP / 5MP / 4MP / 3MP / 1080p ... etc.). Video Outputs (Monitors): Has two independent outputs: HDMI port supports display resolution up to 4K (3840 × 2160). VGA port supports display resolution up to 1080p. Compression Formats (Encoding): Supports advanced smart formats and saves storage space up to 75%: H.265+ / H.265 / H.264+ / H.264. 3. Capacity and Storage (Storage) Number of Hard Drives: Contains 4 internal SATA ports for connecting Hard Drives. Supported Capacity: Supports hard drives with a capacity of up to 16TB per SATA port (a very huge total storage capacity). 4. Smart Features and Artificial Intelligence (AcuSense AI) This device belongs to the renowned AcuSense series, which offers advanced AI-powered analytics including: Motion Detection 2.0: Available on all channels, to accurately distinguish between human and vehicle motion, reducing false alarms caused by trees, animals, or lighting. Perimeter Protection: Video analysis on 2 channels for accurate detection of intrusions and security fences. Facial Recognition: Supports image comparison and verification, and searching for faces, with the ability to create up to 16 face image libraries accommodating a total of 20,000 face images. 5. Additional Ports and Power USB Ports: Features 3 ports (two USB 2.0 ports in the front, and one high-speed USB 3.0 port in the back). Audio Inputs: RCA port (Audio In / Audio Out) for bidirectional audio support. Alarms (Alarm): Includes external alarm connection ports (16 alarm inputs / 4 relay outputs). System Management: Supports the Hik-Connect app for easy remote monitoring and control via phone. Device Power: Operates directly on AC power (100 to 240 VAC).