Network Video Recorders (NVRs)

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

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Hikvision

SKU: DS-9632NI-I8-48TB

Hikvision DS-9632NI-I8 32-Channel 4K NVR 48TB

32-channel 4K NVR with 48TB storage and dual 4K HDMI outputs
- 32 channels at up to 12MP per channel with H.265+ compression
- 48TB HDD pre-installed across 8 SATA bays with RAID 0/1/5/6/10
- Dual 4K HDMI outputs plus VGA, 128 remote connections, 16-ch playback
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$5,580.00 $3,842.99 Save $1,737.01

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Hikvision

SKU: DS-9664NI-M8

Hikvision DS-9664NI-M8 64-Channel 32MP Network Video Recorder

64-channel 32MP NVR for large-scale surveillance with H.265+ compression
- Record 64 IP cameras simultaneously at up to 32MP resolution without external processing
- H.265+ compression cuts storage needs by up to 90% vs. H.264 on 24/7 recording
- 8 SATA bays with RAID support and up to 16TB per disk for extended retention
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$3,164.00 $2,140.99 Save $1,023.01

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Honeywell

SKU: HN35040101D45PK

Honeywell Commercial Security HN35040101D45PK Mobile Computer

Wired mobile computer for fixed security and logistics command centers
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$1,050.00 $561.99 Save $488.01

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Honeywell

SKU: HN35040101E45PK

Honeywell Commercial Security HN35040101E45PK 35S DayNight Kit

Wired mobile computer with day/night imaging for field security ops
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$605.99 $593.99 Save $12.00

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Honeywell

SKU: HN35160204D125PK

Honeywell Commercial Security HN35160204D125PK Mobile Computer

Wired mobile computer for warehouse and logistics scanning
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$2,860.00 $1,529.99 Save $1,330.01

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Honeywell

SKU: HNM128

Honeywell Commercial Security HNM128 MAXPRO VMS Base Channel

Base channel license for Honeywell MAXPRO VMS platform deployments
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$1,331.99 $1,305.99 Save $26.00

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Honeywell

SKU: HNM192

Honeywell Commercial Security HNM192 MAXPRO VMS Base Channel

Base channel license for MAXPRO VMS video recording and IP camera integration
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Honeywell

SKU: HNM384

Honeywell Commercial Security HNM384 MAXPRO VMS Base Channel

Base channel license for Honeywell MAXPRO enterprise video management
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Honeywell

SKU: HNMSWVMSLT

Honeywell Commercial Security HNMSWVMSLT Mobile Computer

Wired mobile computer for commercial security and field operations
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Honeywell

SKU: HNMXE08E04T4

Honeywell Commercial Security HNMXE08E04T4 8-Channel Mobile

8-channel mobile computer with 4TB storage for field operations
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Honeywell

SKU: HNMXE16E08T8

Honeywell Commercial Security HNMXE16E08T8 16-Channel Mobile

16-channel mobile computer with 8TB storage for Honeywell systems
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Honeywell

SKU: HN30HDS08

Honeywell HN30HDS08 8TB Hard Disk Drive

8TB surveillance drive for 24/7 NVR and Honeywell security systems
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$657.20 $366.99 Save $290.21

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Honeywell

SKU: HN35080202D65PK

Honeywell HN35080202D65PK Mobile Computer — Wired

Wired mobile computer for field technicians in networked facilities
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$1,490.00 $796.99 Save $693.01

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Honeywell

SKU: HN35080202E65PK

Honeywell HN35080202E65PK 35S Day/Night Kit Mobile Computer

Wired mobile computer for day/night security access control operations
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$1,580.00 $844.99 Save $735.01

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Honeywell

SKU: HN35160204E125PK

Honeywell HN35160204E125PK 35S Day/Night Security Kit

Wired day/night camera kit with mounting hardware for fixed 24/7 coverage
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$3,040.00 $1,625.99 Save $1,414.01

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Honeywell

SKU: HN35160208C

Honeywell HN35160208C S35 16-Channel 4K PoE Network Video

16-channel 4K PoE NVR for mid-to-large security deployments
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$2,900.00 $1,615.99 Save $1,284.01

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What to Look For When Buying

The decisions that matter most before you spec.

Real Bitrate vs. Rated Camera Count

NVRs are often rated for more cameras than they can actually process simultaneously at rated resolution and frame rate. Before purchase, calculate total ingress bitrate: sum camera bitrate × number of cameras, then confirm the NVR's sustained throughput (not peak). See Why Your NVR Can't Handle Its Rated Camera Count for real-world examples.

Storage Throughput & Disk Selection

NVR write speed is limited by disk throughput, not capacity alone. A 4-camera 4K system can exceed 100 Mbps sustained writes; mismatched drive selection causes dropped frames and gaps. Pair your NVR with surveillance-grade drives rated for 24/7 streaming and validate RAID configuration matches your retention math.

Retention Calculation & Scaling

Storage lifetime depends on bitrate, motion-detection settings, and frame-rate. A 30-day retention target for 16 cameras at 4 Mbps each = ~1.7 TB minimum. Factor in overhead, RAID redundancy, and growth. Read Retention Math for IP Cameras: Bitrate, Motion, Storage Traps to avoid undersizing.

Network & Power Infrastructure Readiness

Large NVR deployments collapse when backbone switches, PoE injectors, or UPS capacity aren't sized for sustained load. Why Surveillance Networks Collapse at the Core explains bandwidth and redundancy planning. Verify your switch, network cabling, and power distribution before finalizing the recorder choice.

Vendor Support & Software Compatibility

NVR firmware, mobile app stability, and remote access reliability vary widely. Select brands like Hikvision, Hanwha, Axis, and Vivotek with proven field track records and transparent changelog/SLA terms. Evaluate Video Management Software (VMS) integration early to avoid vendor lock-in.

Redundancy, Failover & Incident Reliability

Single NVR failure or network outage can blind an entire facility during critical incidents. Architect dual-recorder setups, redundant storage, or Why Surveillance Systems Fail During Incidents to ensure continuous recording. For multi-site deployments, plan for isolated recording at each location and centralized backup.

Technology Stack

The specs and acronyms that actually affect network video recorders (nvrs) performance.

Bitrate (Mbps)

The sustained network and storage bandwidth required per camera stream. Measured in megabits per second. Lower bitrate = longer retention on same storage; too low = lost detail. NVR throughput (e.g., 200 Mbps) must exceed sum of all camera bitrates to avoid frame drops.

PoE Budget (Watts)

Power delivered over Ethernet to cameras. Standard PoE = 15W per port; PoE+ = 30W; PoE++ = 60W or more. Verify NVR's built-in PoE power supply or external injector can supply total wattage for all connected cameras simultaneously, not just nameplate rating.

RAID Configuration (0, 1, 5, 6, 10)

Storage redundancy method. RAID 1 (mirroring) = 50% usable capacity but fast recovery; RAID 5 (striping + parity) = ~67–75% usable, slower rebuild; RAID 6 = dual-parity, safest but slower writes. Choose based on RTO/RPO and disk failure tolerance for your facility.

Frame Rate (FPS) & Resolution

Higher resolution and frame rate increase bitrate non-linearly. 4K 30 FPS ≈ 50–100 Mbps per camera; 1080p 30 FPS ≈ 4–8 Mbps. NVR must deliver rated FPS across all channels simultaneously; frame-rate reduction under load is common and often undisclosed in specs.

Onboard Storage vs. Expansion

Some NVRs include 1–8 TB of internal drive bays; others accept only external SAN or NAS. Modular expansion via USB, SATA, or NAS allows scaling beyond internal capacity but introduces network latency and single-point-of-failure risk if not redundant.

HDMI/VGA Output & Multi-Monitor

Direct video output for live playback and alarm response. Dual HDMI or DVI enables multi-monitor wall displays for SOC operations. Check Monitors & Displays for compatible wall-mount and Joystick & Keyboard Controls for operator interfaces.

Typical Deployment Scenarios

Small Office (8 Cameras, 30-Day Retention)

One 8-channel compact NVR (e.g., entry-level Hikvision or Hanwha model) with 2–4 TB internal RAID 1 storage. Built-in PoE switch powers cameras; single gigabit uplink to office network. Total bitrate ~32–48 Mbps; UPS protects against brief power loss. Cost: $800–$1,500 all-in.

Retail Chain (4 Stores, 16 Cameras Each, Centralized Backup)

Four 16-channel mid-range NVRs deployed locally at each store location, each with 4–6 TB RAID 5 storage for 14-day retention. Nightly backup to central NAS or cloud via WAN. If one location's NVR fails, other three continue recording; central system rebuilds from backups. Requires network redundancy and Why Surveillance Standards Collapse After the Third Location planning.

Campus/Large Facility (64+ Cameras, Hybrid Storage)

One or two enterprise-class 64-channel rackmount NVRs in data center with 24–48 TB SAN or modular expansion. Satellite 16-channel NVRs at building entrances for local failover. Total bitrate 400+ Mbps; redundant gigabit backbone, dual switches, and Why Large Surveillance Systems Fail: Storage Throughput Reality mitigation. Integrate Video Management Software (VMS) for unified search and forensics.

High-Resolution Mixed Deployment (32 × 1080p + 8 × 4K, 60-Day Retention)

32-channel NVR rated for 4K + lower-res mixing. 1080p cameras = ~6 Mbps each (192 Mbps); 4K = ~60 Mbps each (480 Mbps); total ~672 Mbps. Verify NVR sustains this; may require two units or careful frame-rate reduction. 12–16 TB RAID 6 storage. Cross-reference Retention Math for IP Cameras: Bitrate, Motion, Storage Traps to confirm math.

Frequently Asked Questions

What's the difference between an NVR and a DVR?

A DVR (Digital Video Recorder) uses analog coax cameras and a capture card; an NVR (Network Video Recorder) receives IP camera streams over Ethernet. NVRs are now standard because they enable remote access, higher resolution, PoE power, and easier scaling. DVRs are legacy for most new deployments.

How do I calculate how much storage I need?

Multiply bitrate per camera (Mbps) × number of cameras × 86,400 seconds/day × retention days ÷ 8 bits/byte = total bytes. Example: 5 cameras × 5 Mbps × 86,400 × 30 days ÷ 8 = ~810 GB. Add 20–30% overhead for RAID and metadata. See Retention Math for IP Cameras: Bitrate, Motion, Storage Traps for detailed examples.

Can I mix camera brands and resolutions on one NVR?

Yes, most modern NVRs accept ONVIF-compliant IP cameras from any vendor (Hikvision, Axis, Vivotek, etc.) and mix 1080p, 2MP, 4K, and other resolutions on the same recorder. However, bitrate and frame-rate planning becomes critical; lower frame rates or bitrate reduction may occur if total throughput is exceeded.

What happens if my NVR storage fills up?

Most NVRs default to overwrite mode: oldest video is deleted to make room for new recording. Some support redundancy via dual RAID arrays or remote backup. Prevent accidental loss by setting up automated export to NAS, VMS archive, or cloud; verify RAID type protects against single-disk failure.

Do I need a separate switch if my NVR has PoE?

If your NVR has integrated PoE ports and all cameras connect directly to it, no external switch is needed. However, if you have more cameras than PoE ports or need network redundancy, add a managed PoE switch upstream. Always verify the NVR's PoE wattage budget covers all cameras simultaneously.

What's the best way to ensure my NVR doesn't fail during an incident?

Deploy Why Surveillance Systems Fail During Incidents architecture: local recording at multiple sites, UPS backup, network redundancy, and regular backup to offsite NAS or cloud. Test failover quarterly. Use RAID 6 or mirrored storage, and avoid single points of failure in power, network, and storage paths.

Plan Your Deployment

Sub categories

Showing Results for Network Video Recorders (NVRs)

Hikvision DS-9632NI-I8 32-Channel 4K NVR 48TB

Hikvision DS-9664NI-M8 64-Channel 32MP Network Video Recorder

Honeywell Commercial Security HN35040101D45PK Mobile Computer

Honeywell Commercial Security HN35040101E45PK 35S DayNight Kit

Honeywell Commercial Security HN35160204D125PK Mobile Computer

Honeywell Commercial Security HNM128 MAXPRO VMS Base Channel

Honeywell Commercial Security HNM192 MAXPRO VMS Base Channel

Honeywell Commercial Security HNM384 MAXPRO VMS Base Channel

Honeywell Commercial Security HNMSWVMSLT Mobile Computer

Honeywell Commercial Security HNMXE08E04T4 8-Channel Mobile

Honeywell Commercial Security HNMXE16E08T8 16-Channel Mobile

Honeywell HN30HDS08 8TB Hard Disk Drive

Honeywell HN35080202D65PK Mobile Computer — Wired

Honeywell HN35080202E65PK 35S Day/Night Kit Mobile Computer

Honeywell HN35160204E125PK 35S Day/Night Security Kit

Honeywell HN35160208C S35 16-Channel 4K PoE Network Video

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What to Look For When Buying

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