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: H6HRN2TB

Speco Technologies H6HRN2TB 6 Channel Hybrid Recorder - 4 Hybrid

6-channel hybrid recorder with 2TB storage for mixed TVI and IP cameras
- 4 hybrid channels accept TVI analog or IP cameras; 2 dedicated IP channels
- 2TB built-in hard drive for continuous or event-triggered recording
- NDAA compliant for federal and government security installations
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Speco Technologies

SKU: H6HRN4TB

Speco Technologies H6HRN4TB 6 Channel Hybrid Recorder - 4 Hybrid

6-channel hybrid recorder with 4TB storage for TVI-to-IP migration
- 4 hybrid channels accept TVI or IP per channel; 2 dedicated IP channels
- 4TB internal drive records across mixed analog and IP sources simultaneously
- NDAA-compliant for federal, state, and municipal procurement requirements
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Speco Technologies

SKU: H6HRN6TB

Speco Technologies H6HRN6TB 6 Channel Hybrid Recorder - 4 Hybrid

6-channel hybrid recorder with 6TB storage for TVI and IP cameras
- 4 hybrid channels accept TVI analog or IP cameras per-channel selection
- 6TB internal storage eliminates external NAS dependency for continuous recording
- H.265 and H.264 compression with NDAA compliance for federal deployments
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Speco Technologies

SKU: H6HRN8TB

Speco Technologies H6HRN8TB 6 Channel Hybrid Recorder - 4 Hybrid

6-channel hybrid recorder mixing TVI and IP cameras with 8TB storage
- 4 hybrid channels accept both TVI analog and IP cameras; 2 IP-only channels
- 8TB integrated hard drive for extended recording without external storage
- NDAA compliant for federal procurement and GSA Schedule eligibility
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Speco Technologies

SKU: HTI702TM

Speco Technologies HTI702TM 2MP HD-TVI Intensifier Bullet Camera

2MP intensifier bullet for near-total-darkness surveillance over coax
- Image intensifier amplifies moonlight and ambient glow without motion blur
- 2MP HD-TVI 1920×1080 resolution with motorized 5-50mm varifocal lens
- Runs over standard RG-59/RG-6 coaxial cable to any compatible DVR
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Speco Technologies

SKU: N128NR

Speco Technologies N128NR 128Ch 4K H.265 NVR with Analytics

128-channel 4K NVR with H.265 compression and embedded analytics
- Record 128 IP cameras simultaneously at 20MP+ 4K resolution with H.265/H.264
- Line crossing, license plate recognition, and vehicle detection built in
- 16 SATA HDD bays for efficient 4K storage across all 128 channels
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Speco Technologies

SKU: N128NR12TB

Speco Technologies N128NR12TB 128Ch 4K H.265 NVR with Analytics-1

128-channel 4K NVR with H.265 compression and 12TB storage
- 128 channels record 4K UHD simultaneously with H.265 codec efficiency
- 12TB pre-installed storage scales retention for continuous recording needs
- Built-in motion detection and object classification for rule-based alerts
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Speco Technologies

SKU: N128NR16TB

Speco Technologies N128NR16TB 128Ch 4K H.265 NVR with Analytics-1

128-channel 4K NVR with 16TB storage and built-in analytics
- Records 128 IP cameras simultaneously in 4K UHR with H.265 compression
- 16TB internal storage supports extended retention across high-channel deployments
- Built-in video analytics for forensic review and automated monitoring
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Speco Technologies

SKU: N128NR192TB

Speco Technologies N128NR192TB 128-Channel 4K NVR with 192TB Storage

128-channel 4K NVR with 192TB storage and H.265 compression
- Record all 128 channels simultaneously at 4K with H.265 codec
- 192TB onboard RAID-protected storage for months of retention
- Built-in motion detection, object classification, and zone-based alerts
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$35,625.30 $14,156.99 Save $21,468.31

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Speco Technologies

SKU: N128NR20TB

Speco Technologies N128NR20TB 128Ch 4K H.265 NVR with Analytics-2

128-channel 4K NVR with H.265 compression and 20TB storage
- 128 simultaneous IP camera inputs across mixed resolutions
- 4K UHD recording and playback with H.265 codec efficiency
- 20TB internal SAS/SATA storage for extended retention windows
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Speco Technologies

SKU: N128NR24TB

Speco Technologies N128NR24TB 128Ch 4K H.265 NVR with Analytics-2

128-channel 4K NVR with 24TB storage and H.265 compression
- Records 128 IP cameras simultaneously at 4K with H.265 codec
- 24TB pre-installed storage reduces 50% vs H.264 file sizes
- Motion detection, object tracking, and event correlation built-in
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Speco Technologies

SKU: N128NR30TB

Speco Technologies N128NR30TB 128Ch 4K H.265 NVR with Analytics-3

128-channel 4K NVR with 30TB storage and integrated analytics
- Records 128 IP cameras at 4K UHD resolution with H.265 compression
- 30TB onboard storage for extended retention without external NAS
- Built-in analytics engine for motion detection and rule-based alerting
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Speco Technologies

SKU: N128NR32TB

Speco Technologies N128NR32TB 128Ch 4K H.265 NVR with Analytics-3

128-channel 4K NVR with 32TB storage and integrated analytics
- Records 128 IP cameras at 4K UHD resolution simultaneously
- H.265 codec cuts bandwidth and storage needs versus standard compression
- Built-in analytics engine processes video for event detection and response
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Speco Technologies

SKU: N128NR40TB

Speco Technologies N128NR40TB 128Ch 4K H.265 NVR with Analytics-4

128-channel 4K NVR with 40TB storage and built-in analytics
- Records 128 IP cameras at 4K resolution with H.265 compression
- 40TB integrated storage eliminates external SAN or NAS dependency
- Built-in object detection analytics for intelligent event alerting
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Speco Technologies

SKU: N128NR6TB

Speco Technologies N128NR6TB 128Ch 4K H.265 NVR with Analytics-6T

128-channel 4K NVR with H.265 compression and 6TB storage
- Records up to 128 IP cameras simultaneously in native 4K resolution
- H.265 codec reduces storage footprint and network bandwidth demands
- Integrated analytics engine detects events and supports investigation workflows
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$2,840.99

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Speco Technologies

SKU: N128NR72TB

Speco Technologies N128NR72TB 128Ch 4K H.265 NVR with Analytics-7

128-channel 4K NVR with 72TB storage and H.265 compression
- 128 IP camera channels with simultaneous 4K recording and playback
- 72TB onboard storage with H.265 codec for extended retention periods
- Integrated analytics support for intelligent video monitoring and detection
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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 H6HRN2TB 6 Channel Hybrid Recorder - 4 Hybrid

Speco Technologies H6HRN4TB 6 Channel Hybrid Recorder - 4 Hybrid

Speco Technologies H6HRN6TB 6 Channel Hybrid Recorder - 4 Hybrid

Speco Technologies H6HRN8TB 6 Channel Hybrid Recorder - 4 Hybrid

Speco Technologies HTI702TM 2MP HD-TVI Intensifier Bullet Camera

Speco Technologies N128NR 128Ch 4K H.265 NVR with Analytics

Speco Technologies N128NR12TB 128Ch 4K H.265 NVR with Analytics-1

Speco Technologies N128NR16TB 128Ch 4K H.265 NVR with Analytics-1

Speco Technologies N128NR192TB 128-Channel 4K NVR with 192TB Storage

Speco Technologies N128NR20TB 128Ch 4K H.265 NVR with Analytics-2

Speco Technologies N128NR24TB 128Ch 4K H.265 NVR with Analytics-2

Speco Technologies N128NR30TB 128Ch 4K H.265 NVR with Analytics-3

Speco Technologies N128NR32TB 128Ch 4K H.265 NVR with Analytics-3

Speco Technologies N128NR40TB 128Ch 4K H.265 NVR with Analytics-4

Speco Technologies N128NR6TB 128Ch 4K H.265 NVR with Analytics-6T

Speco Technologies N128NR72TB 128Ch 4K H.265 NVR with Analytics-7

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