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: N4NRM8TB

Speco N4NRM8TB 4-Channel 4K H.265 NVR PoE 8TB

4-channel 4K NVR with integrated PoE and 8TB storage
- 4K UHD recording across all four channels with H.265 compression
- Built-in PoE+ power injection eliminates separate switch requirement
- 8TB pre-installed SATA storage for continuous recording capability
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$815.99

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Speco Technologies

SKU: N4NRN10TB

Speco N4NRN10TB 4-Channel 4K H.265 NVR PoE 10TB

4-channel 4K NVR with integrated PoE and 10TB storage, NDAA compliant
- 4K recording on 4 channels with H.265 compression for 50% smaller files
- Integrated PoE power eliminates separate injectors and simplifies wiring
- 10TB onboard storage supports extended recording duration with hot-swap drive
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$2,233.50 $878.99 Save $1,354.51

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Speco Technologies

SKU: N4NRN12TB

Speco N4NRN12TB 4-Channel 8MP PoE NVR 12TB

4-channel 8MP PoE NVR with 12TB storage for compact surveillance
- Records 8MP across 4 channels simultaneously with H.265 compression
- Integrated PoE switch powers up to 4 cameras without external injectors
- 12TB HDD stores extended footage; ONVIF compatible for any IP camera
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$2,743.50 $1,079.99 Save $1,663.51

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Speco Technologies

SKU: N4NRN16TB

Speco N4NRN16TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with 16TB storage and integrated PoE power
- Records 4K (8MP) across all 4 channels simultaneously with H.265 compression
- 16TB SATA storage pre-installed for extended 4K video retention
- Built-in PoE eliminates separate injectors; NDAA compliant for government use
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$3,723.80 $1,464.99 Save $2,258.81

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Speco Technologies

SKU: N4NRN2TB

Speco N4NRN2TB 4-Channel 4K NVR PoE+ 2TB

4-channel 4K NVR with integrated PoE+ and 2TB storage
- Records 4 simultaneous 4K streams using H.265 compression
- Built-in PoE+ power injection eliminates separate switch requirement
- 2TB SATA storage with ONVIF compatibility and NDAA compliance
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$828.30 $324.99 Save $503.31

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Speco Technologies

SKU: N4NRN4TB

Speco N4NRN4TB 4-Channel 4K H.265 NVR with PoE

4-channel 4K NVR with integrated PoE and H.265 compression
- 4K recording (3840×2160) across 4 channels simultaneously
- H.265 codec reduces storage consumption vs. H.264
- Built-in PoE switching eliminates external injectors; 4TB onboard
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$1,138.30 $447.99 Save $690.31

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Speco Technologies

SKU: N4NRN6TB

Speco N4NRN6TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE power and 6TB storage
- Records 4 cameras simultaneously at 4K using H.265 compression
- Built-in PoE++ eliminates need for external power injectors
- 6TB factory-installed drive reduces deployment time and complexity
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$1,569.00 $617.99 Save $951.01

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Speco Technologies

SKU: N4NRN8TB

Speco N4NRN8TB 4-Channel 4K H.265 NVR with 8TB

4-channel 4K NVR with 8TB storage and H.265 compression
- Records 4 IP cameras at 4K resolution with H.265 codec
- 8TB internal SATA storage extends recording retention periods
- PoE+ connectivity powers cameras directly; NDAA compliant
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$1,960.50 $771.99 Save $1,188.51

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Speco Technologies

SKU: N4NXL3TB

Speco N4NXL3TB 4-Channel NVR PoE 3TB

4-channel NVR with integrated PoE switch and 3TB storage
- Records 4 IP cameras simultaneously with local 3TB drive retention
- Built-in PoE+ switch powers cameras directly—no external injector needed
- Remote access via web browser and mobile app for off-site monitoring
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$458.00 $299.99 Save $158.01

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Speco Technologies

SKU: N4WNRLM10TB

Speco N4WNRLM10TB 4-Channel Wall Mount NVR 10TB

Compact 4-channel wall-mount NVR with 10TB storage for small IP systems
- Records 4 IP camera channels with 10TB onboard storage for extended retention
- Wall-mount design saves space in retail, office, and small facility deployments
- Works with any ONVIF-compatible IP camera; includes bracket, power adapter, cable
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$926.99

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Speco Technologies

SKU: N4WNRLM12TB

Speco N4WNRLM12TB 4-Channel Wall Mount NVR 12TB

4-channel wall-mount NVR with 12TB storage for compact IP camera systems
- 12TB integrated storage supports extended recording without external drives
- ONVIF-compliant, works with standard IP cameras across brands via Ethernet
- Wall-mounted design fits confined spaces where rack mounting isn't practical
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$1,124.99

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Speco Technologies

SKU: N4WNRLM16TB

Speco N4WNRLM16TB 4-Channel Wall Mount NVR 16TB

4-channel wall-mount NVR with 16TB storage for compact surveillance
- 16TB integrated storage supports extended multi-channel recording retention
- ONVIF IP camera compatibility integrates with standard network surveillance systems
- Wall mount design fits control rooms and monitoring stations with tight space
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$1,384.99

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Speco Technologies

SKU: N4WNRM10TB

Speco N4WNRM10TB 4-Channel NDAA Wall Mount NVR

4-channel wall-mount NVR with 10TB storage and NDAA compliance
- 4-channel recording with 10TB integrated storage for continuous surveillance
- Wall-mount form factor fits control rooms and facility deployments without racks
- ONVIF-compatible with NDAA-compliant infrastructure for federal deployments
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$2,361.80 $938.99 Save $1,422.81

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Speco Technologies

SKU: N4WNRM12TB

Speco N4WNRM12TB 4-Channel Wall Mount NRM 12TB

4-channel wall-mount recorder with 12TB storage for ONVIF cameras
- Records 4 IP camera streams with H.265/H.264/MJPEG codec support
- 12TB onboard drive for extended retention across multiple resolutions
- ONVIF-compatible with Axis, Hikvision, Dahua, and other major brands
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$2,838.80 $1,128.99 Save $1,709.81

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Speco Technologies

SKU: N4WNRM16TB

Speco N4WNRM16TB 4-Channel Wall Mount NVR 16TB

4-channel wall-mount NVR with 16TB storage, NDAA compliant
- 16TB onboard storage supports extended retention across 4 channels
- Wall-mount design fits confined spaces and control rooms
- ONVIF-compliant architecture works with standard IP cameras and VMS
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$3,457.30 $1,292.99 Save $2,164.31

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Speco Technologies

SKU: N4WNRM2TB

Speco N4WNRM2TB 4-Channel NDAA Wall-Mount NVR 2TB

Compact 4-channel wall-mount NVR with 2TB storage, NDAA-certified
- 4-channel recording for ONVIF IP cameras in space-constrained areas
- 2TB built-in storage eliminates external drive setup and maintenance
- Wall-mount design fits control rooms and retrofit installations without rack space
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$908.00 $360.99 Save $547.01

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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)

Speco N4NRM8TB 4-Channel 4K H.265 NVR PoE 8TB

Speco N4NRN10TB 4-Channel 4K H.265 NVR PoE 10TB

Speco N4NRN12TB 4-Channel 8MP PoE NVR 12TB

Speco N4NRN16TB 4-Channel 4K H.265 NVR PoE

Speco N4NRN2TB 4-Channel 4K NVR PoE+ 2TB

Speco N4NRN4TB 4-Channel 4K H.265 NVR with PoE

Speco N4NRN6TB 4-Channel 4K H.265 NVR PoE

Speco N4NRN8TB 4-Channel 4K H.265 NVR with 8TB

Speco N4NXL3TB 4-Channel NVR PoE 3TB

Speco N4WNRLM10TB 4-Channel Wall Mount NVR 10TB

Speco N4WNRLM12TB 4-Channel Wall Mount NVR 12TB

Speco N4WNRLM16TB 4-Channel Wall Mount NVR 16TB

Speco N4WNRM10TB 4-Channel NDAA Wall Mount NVR

Speco N4WNRM12TB 4-Channel Wall Mount NRM 12TB

Speco N4WNRM16TB 4-Channel Wall Mount NVR 16TB

Speco N4WNRM2TB 4-Channel NDAA Wall-Mount NVR 2TB

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