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: N32WNRN6TB

Speco N32WNRN6TB 32Ch 4K H.265 NVR Wall Mount

32-channel 4K H.265 NVR with 6TB storage and facial recognition
- Records up to 32 IP cameras at 4K with H.265 compression
- 6TB internal storage for extended video retention and forensics
- Built-in facial recognition and video analytics for event detection
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Speco Technologies

SKU: N32WNRN8TB

Speco N32WNRN8TB 32Ch 4K H.265 Wall Mount NVR

32-channel 4K wall-mount NVR with 8TB storage and facial recognition
- 32-channel 4K recording with H.265 compression for efficient storage
- Integrated facial recognition analytics for real-time threat detection
- Wall-mount design with ONVIF compatibility for standard IP cameras
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$3,648.00 $1,449.99 Save $2,198.01

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Speco Technologies

SKU: N4NRL10TB

Speco N4NRL10TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE and 10TB storage
- Records all 4 channels simultaneously at 4K with H.265 compression
- Built-in PoE ports power up to 4 IP cameras, no external injectors
- 10TB SATA drive stores extended footage with 50% smaller file sizes
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$887.99

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Speco Technologies

SKU: N4NRL12TB

Speco N4NRL12TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with 12TB storage and integrated PoE power
- 4K IP camera recording across 4 channels with H.265 compression
- 12TB SATA drive slot supports extended retention on mid-scale systems
- Integrated PoE++ switch powers cameras without separate injectors
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$1,091.99

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Speco Technologies

SKU: N4NRL16TB

Speco N4NRL16TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE and 16TB storage
- 4K H.265 recording on four channels reduces bitrate vs. H.264
- Built-in PoE ports power cameras without external injectors or switches
- Fanless design runs silent in offices, retail, and occupied spaces
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$1,359.99

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Speco Technologies

SKU: N4NRL2+O2VT1V

Speco N4NRL2+O2VT1V 4-Channel 4K NVR PoE Bundle

4-channel 4K NVR with integrated PoE and 2 IR cameras included
- 4K support with H.265 dual codec reduces storage use on 2TB drive
- Built-in PoE switch powers both included 2MP IR bullet cameras directly
- Zero-lux IR night vision on cameras; ready to deploy out of box
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$405.99

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Speco Technologies

SKU: N4NRL2TB

Speco N4NRL2TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE and H.265 compression
- Records 4K video across all 4 channels using H.265 codec for efficient storage
- Built-in PoE power delivery simplifies camera installation and reduces cabling
- 2TB SATA storage included with single bay for future drive expansion
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$328.99

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Speco Technologies

SKU: N4NRL4TB

Speco N4NRL4TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE and 4TB storage
- Records all 4 channels at 4K (3840×2160) 30 fps simultaneously
- H.265 codec cuts bandwidth and storage needs vs. H.264
- Built-in PoE injector powers compatible cameras; works with any ONVIF brand
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$453.99

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Speco Technologies

SKU: N4NRL6TB

Speco N4NRL6TB 4-Channel 4K H.265 NVR PoE 6TB

4-channel 4K NVR with integrated PoE and 6TB storage for small sites
- 4K UHD recording on all four channels with H.265 compression
- Built-in 4-port PoE power eliminates need for external switch
- 6TB SATA storage with ONVIF compatibility for network integration
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$623.99

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Speco Technologies

SKU: N4NRL8TB

Speco N4NRL8TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE power and 8TB storage
- 4K recording at 30 fps per channel with H.265 compression
- Built-in PoE+ eliminates external injectors for supported cameras
- 8TB internal SATA storage for extended local retention
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$780.99

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Speco Technologies

SKU: N4NRM10TB

Speco N4NRM10TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE and 10TB storage for government use
- 4K UHD recording on 4 channels with H.265 compression for efficient storage
- Built-in PoE+ switch eliminates external injectors and separate network hardware
- 10TB SATA drive with expansion slot; NDAA-compliant for federal deployments
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$2,361.80 $938.99 Save $1,422.81

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Speco Technologies

SKU: N4NRM12TB

Speco N4NRM12TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE+ and 12TB storage
- 4K H.265 compression reduces file sizes while maintaining forensic detail
- 12TB SATA drive supports 24/7 simultaneous recording across four channels
- NDAA certified for government and defense-adjacent installations
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$2,838.80 $1,128.99 Save $1,709.81

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Speco Technologies

SKU: N4NRM16TB

Speco N4NRM16TB 4-Channel 4K H.265 NVR PoE 16TB

4-channel 4K NVR with integrated PoE and 16TB storage for compact deployments
- 4K UHD recording on 4 channels with H.265 compression for efficient storage
- Integrated PoE powers cameras directly via Ethernet, eliminating separate injectors
- 16TB SATA drive pre-installed for extended continuous or event-based retention
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$3,253.30 $1,292.99 Save $1,960.31

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Speco Technologies

SKU: N4NRM20TB

Speco N4NRM20TB 4-Channel 4K H.265 NVR 20TB

4-Channel 4K NVR with 20TB storage and integrated PoE+
- 4K across 4 channels with H.265 compression cuts file size 50%
- 20TB pre-installed SATA storage for extended on-premise retention
- Integrated PoE+ power simplifies camera and accessory wiring
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$1,440.99

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Speco Technologies

SKU: N4NRM4TB

Speco N4NRM4TB 4-Channel 4K H.265 NVR with PoE

4-Channel 4K NVR with integrated PoE and 4TB storage
- 4K resolution on 4 channels simultaneously with H.265 compression
- Built-in PoE power eliminates need for separate switch installation
- 4TB SATA drive installed; single bay allows future capacity upgrade
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$1,210.50 $481.99 Save $728.51

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Speco Technologies

SKU: N4NRM6TB

Speco N4NRM6TB 4-Channel 4K H.265 NVR PoE+

4-channel 4K NVR with integrated PoE+ and 6TB storage
- Records all 4 channels at 4K UHD with H.265 compression
- Built-in PoE+ injector powers cameras without external switch
- 6TB pre-installed SATA drive; NDAA-compliant for government use
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$1,641.50 $652.99 Save $988.51

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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 N32WNRN6TB 32Ch 4K H.265 NVR Wall Mount

Speco N32WNRN8TB 32Ch 4K H.265 Wall Mount NVR

Speco N4NRL10TB 4-Channel 4K H.265 NVR PoE

Speco N4NRL12TB 4-Channel 4K H.265 NVR PoE

Speco N4NRL16TB 4-Channel 4K H.265 NVR PoE

Speco N4NRL2+O2VT1V 4-Channel 4K NVR PoE Bundle

Speco N4NRL2TB 4-Channel 4K H.265 NVR PoE

Speco N4NRL4TB 4-Channel 4K H.265 NVR PoE

Speco N4NRL6TB 4-Channel 4K H.265 NVR PoE 6TB

Speco N4NRL8TB 4-Channel 4K H.265 NVR PoE

Speco N4NRM10TB 4-Channel 4K H.265 NVR PoE

Speco N4NRM12TB 4-Channel 4K H.265 NVR PoE

Speco N4NRM16TB 4-Channel 4K H.265 NVR PoE 16TB

Speco N4NRM20TB 4-Channel 4K H.265 NVR 20TB

Speco N4NRM4TB 4-Channel 4K H.265 NVR with PoE

Speco N4NRM6TB 4-Channel 4K H.265 NVR PoE+

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