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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Showing Results for Network Video Recorders (NVRs)

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Speco Technologies

SKU: N32NRN60TB

Speco Technologies N32NRN60TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 60TB storage and H.265 compression
- 32 channels at 4K resolution with H.265 codec reduces file size ~50%
- 60TB internal storage for extended retention on large-scale deployments
- NDAA compliant for regulated security and defense environments
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Speco Technologies

SKU: N32NRN64TB

Speco Technologies N32NRN64TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 64TB storage and H.265 compression, NDAA compliant
- Record all 32 channels in 4K simultaneously with H.265 codec reducing file sizes by 50%
- 64TB internal drive array supports extended retention across full 32-channel deployments
- NDAA compliant for government and critical infrastructure security installations
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Speco Technologies

SKU: N32NRN6TB

Speco Technologies N32NRN6TB 32-Channel 4K H.265 NVR

32-channel 4K NVR with H.265 compression and 6TB storage
- Records 32 IP cameras simultaneously at HD to 4K (8MP) resolution
- H.265 codec reduces storage needs 40–60% vs. H.264 compression
- 6TB built-in HDD supports 30–90 days retention at mixed resolution
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Speco Technologies

SKU: N32NRN80TB

Speco Technologies N32NRN80TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 80TB storage and H.265 codec, NDAA compliant
- Records all 32 channels at native 4K resolution simultaneously
- 80TB internal storage supports extended retention for large deployments
- H.265 compression reduces bandwidth and storage by up to 50% vs H.264
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Speco Technologies

SKU: N32NRN8TB

Speco Technologies N32NRN8TB 32 Channel 4K H.265 NVR - NDAA Compl

32-channel 4K NVR with 8TB storage and NDAA compliance
- Records 32 concurrent IP cameras at 4K resolution with H.265 compression
- 8TB factory-installed storage eliminates on-site drive setup and delays
- NDAA compliant for federal procurement; supports ONVIF multi-manufacturer cameras
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$3,648.00 $1,310.99 Save $2,337.01

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Speco Technologies

SKU: N32NRN96TB

Speco Technologies N32NRN96TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 96TB storage and integrated PoE+ ports
- 32 simultaneous 4K channels with H.265 compression for efficient storage
- 96TB built-in capacity supports extended retention across all channels
- Integrated PoE+ ports consolidate power and video on single chassis
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$21,697.50 $8,622.99 Save $13,074.51

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Speco Technologies

SKU: N32NS18TB

Speco Technologies N32NS18TB 32 Channel 4k Network Server 18TB

32-channel 4K NVR with 18TB storage and dual H.265/H.264 codec
- Record all 32 channels simultaneously at 4K UHD 30 fps without frame loss
- 18TB internal storage eliminates external NAS dependency and simplifies deployment
- ONVIF Profile S/T/G compliant for interoperability with third-party IP cameras
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$2,155.99

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Speco Technologies

SKU: N32NS4TB

Speco Technologies N32NS4TB 32 Channel 4K Network Server - 4TB

32-channel 4K NVR with 4TB storage and H.265 compression
- Records 32 IP cameras simultaneously at 4K resolution on single server
- 4TB built-in storage eliminates need for external NAS or SAN systems
- H.265 codec reduces bandwidth and storage demands vs. H.264
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$2,464.00 $979.99 Save $1,484.01

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Speco Technologies

SKU: N32NS6TB

Speco Technologies N32NS6TB 32 Channel 4k Network Server 6TB

32-channel 4K NVR with 6TB storage for mixed-brand IP cameras
- Records 32 IP cameras simultaneously at 4K resolution with H.265/H.264
- 6TB internal HDD for extended retention on continuous or event recording
- ONVIF-compliant architecture works with any brand camera, PoE + Wi-Fi ready
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$2,793.00 $1,109.99 Save $1,683.01

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Speco Technologies

SKU: N32NS8TB

Speco Technologies N32NS8TB 32 Channel 4K Network Server - 8TB

32-channel 4K NVR with 8TB storage for enterprise surveillance
- Records all 32 channels simultaneously at 4K native resolution
- 8TB internal hard drive eliminates external storage dependency
- ONVIF compatible for multi-manufacturer IP camera integration
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$3,253.00 $1,292.99 Save $1,960.01

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Speco Technologies

SKU: N32WNRE12TB

Speco Technologies N32WNRE12TB 32Ch 4K H.265 NVR Wall Mount with

32-channel 4K wall-mount NVR with H.265 compression and 12TB storage
- 32-channel 4K recording with H.265 compression for efficient bandwidth use
- Built-in facial recognition and event detection analytics without external software
- ONVIF-compatible with 12TB storage for mid-to-large surveillance deployments
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$3,611.80 $1,420.99 Save $2,190.81

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Speco Technologies

SKU: N32WNRE16TB

Speco Technologies N32WNRE16TB 32 Channel Wall Mount 4K H.265 NVR

32-channel wall-mount NVR with 4K H.265 and 16TB storage
- 32 channels @ 4K H.265 compression reduces bandwidth and extends 16TB retention
- Built-in facial recognition analytics for intelligent video review without external servers
- ONVIF compatibility integrates with standard IP cameras in mixed-vendor deployments
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Speco Technologies

SKU: N32WNRE24TB

Speco Technologies N32WNRE24TB 32 Channel Wall Mount 4K H.265 NVR

32-channel 4K wall mount NVR with 24TB storage and facial recognition
- 4K H.265 recording across 32 channels with 24TB onboard storage
- Native facial recognition and video analytics without external hardware
- Wall mount design for control rooms; works with ONVIF IP cameras
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Speco Technologies

SKU: N32WNRE32TB

Speco Technologies N32WNRE32TB 32 Channel Wall Mount 4K H.265 NVR

32-channel 4K wall-mount NVR with 32TB storage and H.265 compression
- 4K (8MP) recording across 32 IP camera channels with H.265 codec efficiency
- 32TB internal drive handles extended retention for mid-to-large deployments
- Built-in analytics and facial recognition for forensic investigation and monitoring
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Speco Technologies

SKU: N32WNRE40TB

Speco Technologies N32WNRE40TB 32 Channel Wall Mount 4K H.265 NVR

32-channel 4K wall-mount NVR with 40TB storage and built-in analytics
- Records 32 concurrent IP cameras in 4K using H.265 compression
- 40TB internal storage supports extended retention across all channels
- Object detection and facial recognition process video streams in real time
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Speco Technologies

SKU: N32WNRE4TB

Speco Technologies N32WNRE4TB 32 Channel Wall Mount 4K H.265 NVR

32-channel 4K H.265 wall-mount NVR with 4TB storage
- 4K H.265 compression reduces bandwidth and storage needs for 32 cameras
- Built-in analytics and facial recognition for intelligent event detection
- ONVIF-compliant design works with standard IP cameras across deployments
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$2,345.50 $922.99 Save $1,422.51

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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)

Speco Technologies N32NRN60TB 32 Channel 4K H.265 NVR - NDAA Comp

Speco Technologies N32NRN64TB 32 Channel 4K H.265 NVR - NDAA Comp

Speco Technologies N32NRN6TB 32-Channel 4K H.265 NVR

Speco Technologies N32NRN80TB 32 Channel 4K H.265 NVR - NDAA Comp

Speco Technologies N32NRN8TB 32 Channel 4K H.265 NVR - NDAA Compl

Speco Technologies N32NRN96TB 32 Channel 4K H.265 NVR - NDAA Comp

Speco Technologies N32NS18TB 32 Channel 4k Network Server 18TB

Speco Technologies N32NS4TB 32 Channel 4K Network Server - 4TB

Speco Technologies N32NS6TB 32 Channel 4k Network Server 6TB

Speco Technologies N32NS8TB 32 Channel 4K Network Server - 8TB

Speco Technologies N32WNRE12TB 32Ch 4K H.265 NVR Wall Mount with

Speco Technologies N32WNRE16TB 32 Channel Wall Mount 4K H.265 NVR

Speco Technologies N32WNRE24TB 32 Channel Wall Mount 4K H.265 NVR

Speco Technologies N32WNRE32TB 32 Channel Wall Mount 4K H.265 NVR

Speco Technologies N32WNRE40TB 32 Channel Wall Mount 4K H.265 NVR

Speco Technologies N32WNRE4TB 32 Channel Wall Mount 4K H.265 NVR

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What to Look For When Buying

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Top Brands for Network Video Recorders (NVRs)

Frequently Asked Questions

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