Buyer’s noteSizing an NVRMatch channel count and PoE budget to the camera plan — and leave 30% headroom for the cameras you'll add later.

Network Video Recorders (NVRs)

Sub categories

Desktop NVRs
Desktop NVRs
381 items
NVR Accessories
NVR Accessories
66 items
Rack-Mount NVRs
Rack-Mount NVRs
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    Vertiv ZS-SU-IN-SML
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    Vertiv ZS-SU-IN-SML

    Vertiv ZS-SU-IN-SML

    Compact, indoor surveillance unit designed for secure deployment in environments where space is limited but robust monitoring is required

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      Vivotek AM-611 Rack-Mount Ear Bracket
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      Vivotek AM-611

      Vivotek AM-611 Rack-Mount Ear Bracket

      19-inch rack-mount ear bracket for Vivotek ND8322P/ND8422P NVRs

      • Mounts ND8322P and ND8422P NVRs in any standard 19-inch server rack.
      • SECC metal construction provides durable mechanical support in rack environments.
      • Lightweight at 0.4 lbs, installs with minimal tools and no rack modifications.
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      Vivotek B4D83N82T 4-Camera NVR Surveillance Kit
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      Vivotek B4D83N82T

      Vivotek B4D83N82T 4-Camera NVR Surveillance Kit

      4-camera NVR kit with 2TB storage for small-to-medium indoor monitoring

      • Includes ND9326P NVR, four FD9383-HV dome cameras, and 2TB WD Purple HDD.
      • PoE 802.3af support simplifies single-cable power and data runs to each camera.
      • Soft bundle ships unassembled, giving installers full flexibility for custom layouts.
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      Vivotek B6D80N82T 6-Camera NVR Surveillance Bundle
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      Vivotek B6D80N82T

      Vivotek B6D80N82T 6-Camera NVR Surveillance Bundle

      Complete 6-camera NVR bundle with 2TB storage, ready to deploy

      • Six fixed dome cameras for indoor/outdoor surveillance in one kit
      • ND9326P NVR with 2TB hard drive for centralized recording and playback
      • PoE power reduces cabling complexity across the entire system
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    • Save $389.01
      Vivotek ND9323P 8-Channel 2TB NVR with 4x 2MP IR Turret Cameras
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      Vivotek ND9323P-2TB-4IB69

      Vivotek ND9323P 8-Channel 2TB NVR with 4x 2MP IR Turret Cameras

      8-channel 2TB NVR with 4x 2MP IR cameras, PoE+ powered, H.265

      • H.265 codec reduces bandwidth and storage by up to 50% vs H.264
      • 4x 2MP infrared turret cameras included; zero-light night vision
      • PoE+ powers all cameras; no separate power supplies needed
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    • Save $128.01
      Vivotek ND9323P 8-Channel 4K PoE NVR
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      Vivotek ND9323P

      Vivotek ND9323P 8-Channel 4K PoE NVR

      8-channel 4K PoE NVR with integrated power—one cable per camera

      • 4K @ 30 fps single-channel or 1080p @ 120 fps across 4 channels with hardware decode
      • H.265 codec cuts storage and bandwidth by 40–60% vs. H.264 on 24/7 recording
      • 802.3at PoE+ powers all 8 cameras directly—no external PSUs or separate 12V runs needed
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    • Save $389.01
      Vivotek ND9323P 8-Channel NVR with 4x 2MP IR Dome Cameras
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      Vivotek ND9323P-2TB-4FD69

      Vivotek ND9323P 8-Channel NVR with 4x 2MP IR Dome Cameras

      8-channel NVR with 4x 2MP IR cameras and 2TB storage, PoE+ powered

      • 4x 2MP IR dome cameras with PoE+ for single-cable video and power
      • H.265 compression with 4K @ 30fps decoding on 8-channel live view
      • Continuous, scheduled, manual, and event-triggered recording modes
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    • Save $260.01
      Vivotek ND9326P 8-Channel 4K PoE NVR
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      Vivotek ND9326P

      Vivotek ND9326P 8-Channel 4K PoE NVR

      16-channel 4K PoE NVR with H.265 compression and integrated camera power

      • 4K @ 120 fps per channel (3840×2160) with H.265 codec at 192 Mbps
      • Integrated PoE+ powers 16 cameras; dual gigabit Ethernet for network stability
      • Dual 3.5" HDD bays with RAID 0/1; hardware decode to 7680×2560 for playback
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    • Save $170.01
      Vivotek ND9425P 16-Channel 4K PoE NVR
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      Vivotek ND9425P

      Vivotek ND9425P 16-Channel 4K PoE NVR

      16-channel 4K NVR with PoE+ power and H.265 codec support

      • 4K @ 30 fps single channel or 1080p @ 120 fps across 4 channels
      • H.265 hardware decoding reduces bitrate 40–60% vs. H.264
      • Integrated PoE+ eliminates separate camera power supplies
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    • Save $283.01
      Vivotek ND9426P 16-Channel 4K PoE NVR
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      Vivotek ND9426P

      Vivotek ND9426P 16-Channel 4K PoE NVR

      16-channel 4K PoE NVR with H.265 compression and dual HDD bays

      • 192 Mbps throughput captures all 16 channels at 4K or mix resolutions
      • PoE+ powers all 16 cameras on single cable for simplified deployment
      • Dual 3.5" drives with RAID 0/1 support and hardware H.265 decoding
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    • Save $484.01
      Vivotek ND9442P 16-Channel 4K PoE NVR
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      Vivotek ND9442P

      Vivotek ND9442P 16-Channel 4K PoE NVR

      16-channel 4K PoE NVR with H.265 compression and dual gigabit ethernet

      • Record 16 cameras at 4K simultaneously with PoE+ power delivery on single cables
      • H.265 codec cuts storage in half versus H.264 for 24/7 recording across all channels
      • Four 3.5" HDD bays with RAID 0/1/5 support and 192 Mbps throughput for reliability
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    • Save $568.01
      Vivotek ND9542P 32-Channel 4K PoE NVR
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      Vivotek ND9542P

      Vivotek ND9542P 32-Channel 4K PoE NVR

      32-channel 4K PoE NVR with H.265 and Deep Search VCA

      • Records all 32 channels at 4K (8MP) with 192 Mbps throughput
      • H.265 compression cuts storage needs in half vs. H.264
      • Deep Search indexes people, vehicles, and behaviors for fast lookup
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    • Save $3,710.01
      Vivotek NR9581-V3 32-Channel H.265 4K NVR
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      Vivotek NR9581-V3

      Vivotek NR9581-V3 32-Channel H.265 4K NVR

      32-channel 4K NVR with H.265, dual 2.5G ethernet, RAID storage

      • 512 Mbps recording across 32 channels with H.265 compression
      • Up to 8 hot-swappable drives with RAID 0/1/5/6/10/50/60 configs
      • Quad outputs including 4K HDMI and 8K DisplayPort with dual monitors
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    • Save $4,729.01
      Vivotek NR9682-V3 64-Channel 16-Bay HD NVR
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      Vivotek NR9682-V3

      Vivotek NR9682-V3 64-Channel 16-Bay HD NVR

      64-channel NVR with 16 hot-swap bays and H.265 for large deployments

      • 512 Mbps throughput with H.265 and H.264 support; decodes up to 7680x2560
      • 16 hot-swappable drive bays support RAID 0, 1, 5, 6, 10, 50, 60 configurations
      • Dual 2.5 Gigabit LAN ports; HDMI 4K, DisplayPort 8K, DVI, VGA outputs
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      Vivotek NV9321P 8-Channel Mobile Network Video Recorder
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      Vivotek NV9321P

      Vivotek NV9321P 8-Channel Mobile Network Video Recorder

      8-channel mobile NVR with PoE power and M12 weatherproof connectors

      • Records 8 IP cameras with 802.3af PoE per channel, no external power needed
      • M12 weatherproof connectors rated for field deployments and vehicle mounting
      • H.265 compression and NDAA compliance for government and defense operations
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    • Save $1,899.01
      Vivotek NV9421P 16-Channel Mobile Network Video Recorder
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      Vivotek NV9421P

      Vivotek NV9421P 16-Channel Mobile Network Video Recorder

      16-channel mobile NVR with M12 connectors and NDAA compliance

      • 16-channel simultaneous monitoring and recording in compact form factor
      • M12 connectors with PoE (802.3af) for field durability and simplified wiring
      • ONVIF-compatible with Vivotek and third-party IP cameras, NDAA-approved
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    Network Video Recorders (NVRs)

    Network Video Recorders (NVRs) provide centralized recording and management for IP surveillance systems. Select an NVR based on camera count, resolution requirements, retention targets, and long-term storage scalability to ensure reliable commercial deployments.

    Plan Your Deployment

    • Camera count and resolution requirements
    • Retention period and storage capacity planning
    • Throughput and recording bandwidth limits
    • RAID configuration and redundancy strategy
    • Remote access and VMS integration needs
    Buying Guide Storage Planning Guide Get Recommendations

    Network Video Recorders (NVRs) — Engineering-Grade Video Recording & Storage for Commercial Deployments

    This category covers 988 working models of network video recorders (nvrs) sourced manufacturer-direct or through channel-direct US distribution. Build the rest of your system around the architectural choices below — compatibility, environmental rating, and lifecycle decisions made here propagate through every downstream component you specify.

    What to Look For

    Channel count and supported resolution define the recorder's ceiling. A 16-channel NVR rated for 8MP per channel is a different product from a 16-channel rated for 2MP — the latter throttles your future camera upgrades. Read the per-channel and aggregate bitrate ceilings (often expressed in Mbps incoming/outgoing). A safe rule: target an NVR with at least 50% headroom on bitrate, and channel count one step above current need.

    Storage architecture matters as much as raw capacity. Surveillance-grade drives (WD Purple, Seagate SkyHawk) are tuned for 24/7 write loads and a small concurrent read count; desktop drives fail in months under the same workload. RAID levels affect both fault tolerance and write performance — RAID 5 for general retention with one drive of redundancy, RAID 6 or 10 for larger arrays where two-drive failure isn't recoverable in RAID 5.

    VMS choice locks you into a vendor ecosystem more than any camera decision will. Genetec, Milestone, Hanwha Wisenet WAVE, Avigilon, and Axis Camera Station differ on per-camera licensing cost, third-party integrations (access control, video analytics, identity), and analyst workflow. Demo the operator interface with the people who will actually use it before committing — analyst frustration drives more replacements than technical limits.

    Plan for off-site or redundant storage. Single-site recorders fail or get stolen. Cloud-archive licensing, NAS replication, and multi-site federation become important the moment a chain customer asks for centralized investigation tools. Recorders that bury cloud-archive in a per-camera SaaS bundle drive long-term costs much higher than a one-time NAS expansion.

    Key Specs in This Category

    SpecAvailable Options
    Resolution20MP+, 8MP, 12MP, 2MP, 5MP, 4MP, 16MP, 6MP
    IP RatingIP66, IP67
    ConnectivityWired, Wi-Fi
    PowerPoE, PoE+, AC/DC, PoE++, Battery
    Channels16, 32, 8, 64, 4, 12, 24, 28
    StoragemicroSD, HDD

    Top Brands in This Category

    Frequently Asked Questions

    How many drives can fit in a typical NVR?

    Compact desktop NVRs hold 1-2 drives — typically capping around 16TB usable. Mid-size rack-mount NVRs hold 4-8 drives, often 32-64TB usable in RAID 5/6. Enterprise NVRs and dedicated storage servers scale to 16+ drives with hot-swap and JBOD expansion. Match drive count to your retention math; running out of drive bays mid-project means a recorder replacement, not just a drive add.

    Should I use surveillance-grade or enterprise drives?

    Surveillance-grade drives (WD Purple, Seagate SkyHawk) are correct for most NVRs — they're tuned for many concurrent write streams from cameras with low read count. Enterprise drives (WD Gold, Seagate IronWolf Pro, Exos) are appropriate for high-channel-count systems with many concurrent investigator clients reading recorded video. Avoid desktop drives entirely; they're rated for 8x5 light duty and fail quickly in 24/7 NVR loads.

    What's the difference between an NVR and a hybrid recorder?

    An NVR records exclusively from IP cameras over Ethernet. A hybrid (or tribrid) recorder accepts both IP cameras and legacy analog/HD-over-coax cameras on dedicated BNC inputs, useful for migrations where you can't replace coax runs immediately. Hybrid units cost more per channel and add complexity; if you're starting fresh or fully replacing analog, a pure NVR is simpler and almost always cheaper per usable channel.

    Can I expand storage on an existing NVR?

    Most rack NVRs and storage servers accept storage expansion via empty drive bays, eSATA/SAS JBOD shelves, or iSCSI targets. Desktop NVRs with only 1-2 bays generally do not. Before buying, check the recorder's supported expansion architecture and the maximum raw and usable capacity — many sub-$2,000 NVRs cap below the 24TB threshold most projects need within three years.

    Do I need a dedicated VMS workstation?

    For a few cameras and one or two simultaneous operators, the NVR's built-in client interface is enough. For 32+ cameras, multiple investigator seats, video walls, or wall-of-monitors operations, a dedicated workstation (or thin client) running the VMS client is standard. The workstation needs adequate GPU decode capacity for the simultaneous stream count — H.265 decode acceleration is essential at scale.

    Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.

    Build a Complete System

    Most network video recorders (nvrs) installations need these companion products to be fully functional. Add them to your cart for system-wide compatibility.

    IP cameras to pair

    Surveillance hard drives

    PoE switches