Hikvision DS-7616NXI-K2/16P – 16-Channel PoE 1U K Series AcuSense 4K NVR
The Hikvision DS-7616NXI-K2/16P is a 16-channel PoE NVR built for larger installations that need AI-driven detection alongside high-resolution recording. Specifically, it accepts up to 16 IP camera inputs, and its 16 built-in PoE ports power connected cameras directly, so a separate PoE switch isn’t required. As a result, the entire system runs off one enclosure with clean, simplified cabling.
In addition, AcuSense technology analyses video for human and vehicle shapes, which in turn filters out false alarms triggered by leaves, insects, or shadows. Meanwhile, the recorder handles facial detection and face picture comparison, supporting up to 16 face libraries with up to 20,000 stored faces. Furthermore, perimeter protection covers 2 channels by device, or all channels when analytics run on the connected camera itself. On top of that, two SATA interfaces accept drives up to 10 TB each, giving up to 20 TB of total capacity, while independent HDMI and VGA outputs reach 4K resolution for sharp local monitoring.
Technical Specifications
Recording & Compression
| Specification | Details |
|---|---|
| Model | DS-7616NXI-K2/16P |
| Recorder Type | 16-Channel PoE 1U K Series AcuSense 4K NVR |
| IP Video Input | 16 channels |
| Incoming Bandwidth | 160 Mbps |
| Outgoing Bandwidth | 160 Mbps |
| Decoding Format | H.265/H.265+/H.264+/H.264 |
| Recording Resolution | 12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF |
| Decoding Capability (AI Off) | 2-ch @ 12 MP, or 3-ch @ 8 MP, or 6-ch @ 4 MP, or 12-ch @ 1080p (30 fps) |
| Decoding Capability (AI On) | 1-ch @ 12 MP, or 2-ch @ 8 MP, or 4-ch @ 4 MP, or 8-ch @ 1080p (30 fps) |
| Synchronous Playback | 16 channels |
| Smart Analytics | Human/vehicle recognition (Motion Detection 2.0), facial recognition, perimeter protection, throwing-objects-from-building, ANPR, VCA (camera-dependent) |
Video & Audio I/O
| Specification | Details |
|---|---|
| HDMI Output | 1 channel, up to 4K (3840 × 2160)/30 Hz |
| VGA Output | 1 channel, up to 1920 × 1080/60 Hz |
| Video Output Mode | HDMI and VGA independent output |
| Audio Output | 1-ch, RCA (2.0 Vp-p, 1 KΩ, using audio input) |
| Two-Way Audio | 1-ch, RCA (Linear, 1 KΩ) |
| Audio Compression | G.711ulaw/G.711alaw/G.722/G.726/AAC |
| USB Interface | Front: 1 × USB 2.0; Rear: 1 × USB 2.0 |
| Alarm In/Out | 4 inputs / 1 output |
Network & Storage
| Specification | Details |
|---|---|
| Network Interface | 1 × RJ45 10/100/1000 Mbps self-adaptive Ethernet |
| PoE Interfaces | 16 × RJ45 10/100 Mbps self-adaptive, IEEE 802.3af/at |
| PoE Power Budget | ≤ 200 W total |
| Remote Connections | Up to 128 |
| API | ONVIF (Profile S/G), SDK, ISAPI |
| Network Protocols | TCP/IP, DHCP, IPv4/IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP, HTTP, HTTPS |
| Storage Interfaces | 2 × SATA, up to 10 TB per disk (20 TB total) |
| Compatible Browsers | IE11, Chrome 57+, Firefox 52+, Safari 12+, Edge 89+ |
Power & Physical
| Specification | Details |
|---|---|
| Power Supply | 100 to 240 VAC, 50 to 60 Hz |
| Power Consumption | ≤ 15 W (without HDD, PoE off) |
| Working Temperature | -10°C to 55°C (14°F to 131°F) |
| Working Humidity | 10% to 90% |
| Dimensions (W × D × H) | 385 mm × 315 mm × 52 mm (15.2″ × 12.4″ × 2.0″) |
| Weight | ≤ 3 kg (without HDD, 6.6 lb.) |
| Certification | CE (EN 55032:2015, EN 61000-3-2, EN 61000-3-3, EN 50130-4, EN 55035:2017), FCC (Part 15 Subpart B, ANSI C63.4-2014), IC, CB, KC, UL, RoHS, REACH, WEEE, RCM, UKCA, LOA, BIS |
Who This NVR Suits Best
- Larger commercial premises and business parks – 16 PoE channels cover multi-building sites, warehouses, or retail complexes without adding a second recorder.
- Sites needing access control and visitor logging – facial recognition and face picture comparison support identification at entrances alongside standard recording.
- High-security perimeters with long retention needs – dual 10 TB SATA bays plus device-level perimeter protection suit compounds that must retain footage for months.
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