DS-7616NXI-K1 16-ch 1U K Series AcuSense 4K NVR
Key Features
Supports up to 16 IP‑camera inputs. Hikvision+2Smart Links+2
Video compression: H.265+, H.265, H.264+, H.264 — helping reduce storage and bandwidth. Visiotech | Security Systems Supplier+2Hikvision+2
Decoding capacity: up to 1 ch @ 12 MP, or 2 ch @ 8 MP, or 4 ch @ 4 MP, or 8 ch @ 1080p (when AI/analytics are active). Hikvision+2Visiotech | Security Systems Supplier+2
Incoming bandwidth: up to 160 Mbps — meaning the total summed bit‑rate of all cameras should stay under this for optimum performance. Hikvision+1
Outputs: 1 × HDMI (4K capable) + 1 × VGA, both independent outputs. Visiotech | Security Systems Supplier+1
Storage: 1 SATA interface (supports up to ~10 TB HDD in many markets) for local recording. Hikvision
Smart analytics with AcuSense technology, including:
Perimeter protection (line crossing / intrusion) with human/vehicle classification. Hikvision+1
Facial recognition / face library capability (depending on camera + setup). Visiotech | Security Systems Supplier+1
Rack‑mount form factor (1U height) — suitable for server racks or professional setups.
Typical Technical Specifications
| Spec | Detail |
| Channel support | Up to 16 IP cameras. Hikvision+1 |
| Max decoding (AI on) | 1ch @ 12MP / 1ch @ 8MP / 3ch @ 4MP / 6ch @ 1080p (some variants) Visiotech | Security Systems Supplier+1 |
| Max decoding (AI off) | 1ch @ 12MP / 2ch @ 8MP / 4ch @ 4MP / 8ch @ 1080p Hikvision+1 |
| Incoming bandwidth | Up to 160 Mbps. Hikvision+1 |
| HD Outputs | HDMI (4K) & VGA independent. Visiotech | Security Systems Supplier+1 |
| Storage interface | 1 × SATA, up to 10TB (market dependent). Hikvision |
| Power | 12 V DC, up to ~10 W (without HDD) in many specs. Visiotech | Security Systems Supplier+1 |
| Operating temperature | −10 °C to +55 °C. Hikvision |
Use Cases & Suitability
Ideal for mid‑sized surveillance deployments: e.g., an office, retail branch, small campus, where up to ~16 IP cameras are needed.
Good when you want higher resolution cameras (4 MP, 8 MP, even 12 MP) and want some smart analytics (human/vehicle filtering, face capture) built into the NVR rather than just basic recording.
The rack‑mount 1U design makes it suitable for mounting in server racks / telecom racks with other IT equipment.
Things to Consider / Limitations
Although it supports “up to 12 MP” on one channel, realistically if you deploy many high‑resolution cameras you may hit decoding or bandwidth limits (particularly when analytics are enabled).
Only one SATA HDD slot: if you have many high‑res cameras and want long retention (many days/weeks), you’ll need a high‑capacity drive and plan for storage accordingly.
To make full use of the analytics (face recognition, perimeter protection) you need compatible cameras and correct configuration. The analytics are as much about camera + lens + scene as about the NVR.
Network/infrastructure: With IP cameras, you’ll want reliable network (Gigabit, good PoE or separate power) and enough switch bandwidth if many cameras.
Thermal / rack space: As it is rack‑mount, ensure good ventilation, proper rack design and power supply.
Firmware & compatibility: Make sure you have the latest firmware and that the cameras/cabling you use are compatible with the NVR’s supported features.
Summary
In short: The Hikvision DS‑7616NXI‑K1 is a robust 16‑channel NVR in the K‑Series AcuSense line, offering good support for higher resolution IP cameras, smart analytics (human/vehicle classification, face capture), a moderate incoming bandwidth and a professional form factor (1U rack). If your site has up to ~16 IP cameras and you want both recording and smart features (not just basic video), this is a solid choice. Just plan your storage and bandwidth constraints accordingly.
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