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    • Home  / Product Manuals & Documentation
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    Uniview NVR516-S Series — Network Video Recorder Datasheet

    September 08, 2026 3 min read

    Full datasheet specifications for the Uniview NVR516-S Series Network Video Recorders (32 and 64 channel models).

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    Full text manual (for reference)

    Datasheet specifications for the Uniview NVR516-S Series Network Video Recorders (32-channel and 64-channel models).

    Overview

    The NVR516-S Series is a high-capacity network video recorder supporting Ultra 265/H.265/H.264 with 32 or 64 channels of IP camera input. It supports third-party IP cameras conforming to a wide range of ONVIF profiles (S, G, C, Q, A, T), with 2-ch HDMI and 1-ch VGA output (HDMI up to 4K), independent HDMI1/HDMI2/VGA outputs, and up to 12MP resolution recording. Hot-swappable HDDs support RAID 0, 1, 5, 6, 10, 50, 60, plus N+1 hot spare and 12V power output. ANR technology preserves recording reliability during network disconnection.

    Key Features

    • Support Ultra 265/H.265/H.264 video formats
    • 32 or 64-channel IP video input
    • Third-party ONVIF camera support: Profile S, G, C, Q, A, T
    • 2-ch HDMI, 1-ch VGA; HDMI up to 4K (3840x2160)
    • HDMI1, HDMI2, and VGA independent outputs
    • Up to 12 megapixel resolution recording
    • HDD hot swap with RAID 0, 1, 5, 6, 10, 50, 60
    • 12V power output; ANR technology; cloud upgrade; N+1 hot spare

    Decoding & Video Input

    Attribute Value
    Decoding format Ultra 265, H.265, H.264
    NVR516-32S decoding capability 4x12MP@20, 4x4K@30, 16x1080P@30, 32x720P@30
    NVR516-64S decoding capability 4x12MP@20, 4x4K@30, 16x1080P@30, 36x720P@30, 64xD1
    Audio compression G.711A, G.711U
    IP video input NVR516-32S: 32-ch; NVR516-64S: 64-ch

    Network

    • Incoming/outgoing bandwidth: 320Mbps each; Remote users: 128
    • Protocols: TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, NFS, RTSP, 802.1x, IPv6
    • Browser (plugin): Windows IE10/11, Firefox 52+, Chrome 45+, Edge 79+

    Video/Audio Output & Display

    • HDMI1/HDMI2 output (audio not supported on HDMI): 4K (3840x2160)/30Hz, 1920x1080p/60Hz & 50Hz, 1600x1200/60Hz, 1280x1024/60Hz, 1280x720/60Hz, 1024x768/60Hz
    • VGA output: 1920x1080p/60Hz & 50Hz, 1600x1200/60Hz, 1280x1024/60Hz, 1280x720/60Hz, 1024x768/60Hz
    • BNC audio input/output: 1-ch each; Two-way audio: 1-ch BNC
    • Liveview display: NVR516-32S: 1/4/6/8/9/16/25/32; NVR516-64S: VGA 1/4/6/8/9/16/25/36, HDMI1/HDMI2 1/4/6/8/9/16/25/36/64
    • Corridor mode: 3/4/5/7/9/10/12/16/32
    • Snapshot: NVR516-32S 32-ch, NVR516-64S 64-ch, up to 4K resolution
    • Recording resolution: 12MP/8MP/6MP/5MP/4MP/3MP/1080P/960P/720P/D1/2CIF/CIF; Sync playback: 16-ch

    Smart & Alarm Features

    • VCA detection by IPC: Face detection, vehicle detection, SIP (intrusion, cross line, enter/leave area), ultra motion detection, temperature detection (fire, smoking, smoke), people counting, video metadata, traffic monitoring
    • VCA search: Motor/non-motor vehicle search, human body search, general search, people counting report
    • Smart by IPC: NVR516-32S up to 16 images/s total; NVR516-64S up to 32 images/s total
    • General alarm: Defocus, scene change, object left behind/removed, auto tracking, motion, tampering, human body detection, video loss, alarm input, audio detection
    • Alert alarm: IP conflict, network disconnected, disk offline/abnormal, illegal access, disk space low/full, recording abnormal, high CPU/motherboard temperature, array damaged/degraded

    Storage

    SATA 16 SATA interfaces
    Capacity Up to 16TB per HDD (max varies with environment temperature)
    Disk array type RAID 0, 1, 5, 6, 10, 50, 60
    Hot swap Supported

    External Interface

    • Network interface: 2 x RJ45 10M/100M/1000M self-adaptive Ethernet
    • USB: Rear 4 x USB3.0; RS485: 1; RS232: 1
    • Alarm in: 24-ch; Alarm out: 8-ch; eSATA: 1; Power output: 12V
    • Power supply: AC 100~240V

    General

    Working temperature -10°C ~ 55°C (14°F ~ 131°F)
    Working humidity ≤90% RH (non-condensing)
    Power consumption (no HDD) ≤50W
    Weight (no HDD) ≤10Kg (22.05lb)
    Dimensions 482mm x 478mm x 131mm (19.0" x 18.8" x 5.2")
    GUI language 38 languages including English, Chinese, Vietnamese, Thai, Turkish, Spanish, Portuguese, French, German, Italian, and more

    Certification

    • Certification: CE, FCC, UL, RoHS, WEEE
    • CE: EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035
    • FCC: Part 15 Subpart B

    Manufacturer

    Zhejiang Uniview Technologies Co., Ltd. · No. 369, Xietong Road, Xixing Sub-district, Binjiang District, Hangzhou City, 310051, Zhejiang Province, China
    Email: overseasbusiness@uniview.com / globalsupport@uniview.com · www.uniview.com