CCTVPLANNER.IO · NVR · HIKVISION

    Hikvision DS-7716NXI-I4/16P/S

    16-ch I-Series AcuSense 4K NVR, 16-port PoE (200 W), 4 HDD up to 10 TB

    View official datasheet
    NO.01
    16
    Channels
    NO.02
    4
    HDD Bays
    NO.03
    40 TB
    Max Raw Storage
    NO.04
    16
    PoE Ports

    SPECIFICATIONS · DS-7716NXI-I4/16P/S

    Full specifications

    Channels16
    Max Resolution12 MP
    Input Bandwidth160 Mbps
    Output Bandwidth256 Mbps
    HDD Bays4
    Max HDD per Bay10 TB
    PoE Ports16
    PoE Budget200 W
    CodecsH.265, H.265+, H.264, H.264+
    RAID SupportNone
    ONVIFYes
    Form Factor2U
    Network Ports1× 10/100/1000 Mbps RJ-45
    Alarm I/O16 in / 4 out

    Specifications sourced from official manufacturer datasheet (link in hero).

    About the Hikvision DS-7716NXI-I4/16P/S

    The Hikvision DS-7716NXI-I4/16P/S is an SMB-class NVR built for the volume slot most integrators sell into — schools, mid-sized stores, hotels and clinics where camera counts hover around 12-16. Internal HDD capacity covers the most common retention windows (30-60 days at typical SMB bitrates). For installations bound to longer holds, the unit accepts external storage via eSATA / iSCSI without sacrificing channel count. At 2U the unit balances density and serviceability — hot-swap bays sit on the front panel within reach for HDD replacement without removing the chassis from the rack. Built-in PoE on every channel (16 ports for 16 channels) lets the unit operate as a self-contained appliance — patch each camera directly into the back panel and the NVR powers, addresses and records them without an external switch. Convenient for small installs; on larger sites a dedicated managed PoE switch is still the cleaner architecture.

    Best use cases for this recorder

    Small retail & single-tenant office

    Built-in PoE means the entire install fits in one cabinet — cameras patch straight into the recorder, no extra switch to specify or maintain. 16 channels cover a typical front-of-house plus stockroom and parking layout.

    SMB site — office, school, clinic, hotel

    The 16-channel/4-bay combination sits in the most-shipped slot for SMB CCTV: enough channels for a mid-sized site, enough storage for 30-60 day retention at typical commercial-camera bitrates.

    4K/8MP camera deployments

    Native support for 12 MP per-channel recording matches it to current-generation 4K cameras — useful when the install plan calls for fewer-but-higher-resolution cameras (typical of perimeter, parking, and identification-focused layouts).

    Strengths

    • 16 built-in PoE ports eliminate the need for an external switch on small installs
    • Smart H.265+ codec halves storage cost over H.265 at equivalent perceived quality
    • ONVIF compliance lets the unit record from third-party cameras, not just the same-brand catalog
    • 16 in / 4 out alarm I/O supports integration with intrusion panels and external sensors

    Considerations

    • No RAID support — single-disk failure means losing all footage on that disk; plan retention policy accordingly

    Storage planning

    Running all 16 channels at the industry-typical 4 Mbps/channel H.265 CBR (15 fps, 4 MP scene complexity), the DS-7716NXI-I4/16P/S produces roughly 675 GB of footage per day — about 4725 GB/week, 20250 GB/month, and 60750 GB across a 90-day retention window. Fully populated with 4× 10 TB drives the unit holds 40 TB raw — enough for roughly 2.0× the one-month archive at full bitrate before RAID overhead. These figures are deterministic — derived from your bitrate assumption, the channel count, and the calendar — not estimated from a marketing data sheet.

    1 day
    675 GB
    7 days
    4.6 TB
    30 days
    19.8 TB
    90 days
    59.3 TB

    Estimates assume 4 Mbps per channel H.265 CBR continuous recording. Motion-only recording typically reduces storage by 40-70%.

    Bandwidth headroom

    Input (ingest)

    160 Mbps

    Avg 10.0 Mbps per channel — enough for 4K H.265 at 4 Mbps/channel.

    Output (playback)

    256 Mbps

    Sets the ceiling for simultaneous remote playback streams to mobile and web clients.

    Installation tips for the DS-7716NXI-I4/16P/S

    1

    Install in a standard 19-inch rack cabinet on supported rack rails; allow at least 1U of clearance above and below the 2U for airflow and HDD-bay servicing.

    2

    Plan storage at roughly 675 GB/day (≈20250 GB/month) for continuous H.265 recording at 4 Mbps/channel — match HDD capacity to the longest retention window the privacy policy or insurance contract demands.

    3

    Distribute high-power cameras (PTZ, heated housings) across the 16 built-in PoE ports — concentrating them on a single port group can exceed the per-port PoE budget even when the chassis total has headroom.

    4

    Place the recorder on a dedicated VLAN with the cameras — separating CCTV traffic from office VLANs avoids broadcast storms degrading recording quality during busy network hours.

    Power & rack

    Power draw sits at roughly 50 W idle and around 220 W under full load (4-bay HDD activity plus 200 W of PoE delivered to cameras). That dissipates approximately 751 BTU/hour of heat into the rack — size the comms-cabinet ventilation accordingly. Allow 2U of cabinet space for the chassis plus 1U of unobstructed airflow above and below; pair with a UPS sized for at least 15-minute hold-up so the recorder shuts down cleanly on mains failure.

    Idle
    50 W
    Full load
    220 W
    Heat
    751 BTU/h

    Installer time & cost (rough estimate)

    A typical EU integrator quotes 7-9 h of labour to commission the Hikvision DS-7716NXI-I4/16P/S (approximately €315-€405 excluding hardware), broken down as physical install, HDD population, 16-channel discovery and IP/credential configuration, schedule + retention setup, motion / event rules per camera, mobile-app pairing, and a brief operator handover. Allow extra time for sites with non-standard network topology (multi-VLAN, multi-site bridges) or for migrations from a legacy DVR where camera streams must be re-addressed.

    Indicative EU 2024-2025 pricing — actual quotes vary by region, network topology and migration scope. Excludes hardware, HDDs, transport, permits, and VAT.

    Frequently asked questions

    How many cameras can the Hikvision DS-7716NXI-I4/16P/S record?

    Up to 16 IP camera channels per chassis. Total ingest bandwidth is 160 Mbps, which sets the practical ceiling — running every channel at 4K (typically 8 Mbps each) requires 128 Mbps, so verify whether your camera plan fits inside the bandwidth budget.

    Does the Hikvision DS-7716NXI-I4/16P/S support third-party (ONVIF) cameras?

    Yes — ONVIF Profile S/T support means the unit records from third-party cameras as well as the same-brand catalog. Most cameras supporting ONVIF 16.12 or newer plug-and-play; older firmware may require manual stream URL configuration in the NVR web UI.

    How much storage does the Hikvision DS-7716NXI-I4/16P/S need for 30-day recording?

    At the industry-typical 4 Mbps per channel H.265 CBR (15 fps, 4 MP scene), all 16 channels recording continuously for 30 days produces approximately 20250 GB (19.8 TB) of footage. Motion-only or event-triggered recording typically cuts that by 40-70 % depending on scene activity. Plan HDD capacity for the longest retention window your privacy policy or insurance contract demands.

    What HDDs are recommended for the Hikvision DS-7716NXI-I4/16P/S?

    Use surveillance-rated HDDs — WD Purple, Seagate SkyHawk, Toshiba S300, or equivalent. Desktop / consumer drives (WD Blue, Seagate Barracuda) are not validated for 24/7 write workloads and typically fail within 12-18 months in CCTV use. Max 10 TB per bay across 4 bays = up to 40 TB raw capacity; populate matched pairs/sets if planning RAID.

    Does the Hikvision DS-7716NXI-I4/16P/S need its own PoE switch?

    Not on small installs — 16 built-in PoE ports power and connect cameras directly to the recorder. On larger sites a dedicated managed PoE switch is still the cleaner architecture: separate failure domain, larger PoE budget, easier replacement.

    What power and cooling does the Hikvision DS-7716NXI-I4/16P/S need?

    Plan for 50 W idle and ~220 W under full load, dissipating roughly 751 BTU/hour into the rack or cupboard. Size the UPS for at least 15-minute hold-up so the unit can flush write buffers and shut down cleanly on mains failure — abrupt power loss is the leading cause of NVR file-system corruption in commercial installs.

    Is the Hikvision DS-7716NXI-I4/16P/S suitable for evidentiary recording?

    Depends on the retention and chain-of-custody policy. The 4-bay chassis supports basic mirroring on the install side, but lacks declared RAID 5/6 parity — verify with the vendor whether RAID is supported in newer firmware On the export side, ensure footage is hashed and timestamped before transfer to investigators.

    Related Hikvision NVRs

    Compare with similar-channel NVRs from other brands

    Helpful Tools & Resources

    Plan your CCTV layout with Hikvision DS-7716NXI-I4/16P/S

    Use our free CCTV planner to lay out cameras feeding this recorder, match HDD capacity to retention windows, and generate a professional PDF report — no signup required.

    Free until you outgrow it · No card · No install