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: D8VN10TB

Speco D8VN10TB 8-Channel 4K TVI DVR 10TB

8-channel 4K TVI DVR with 10TB storage, TAA/NDAA compliant
- 8-channel 4K TVI recording across all inputs with 10TB integrated HDD
- TAA and NDAA certified for federal procurement and critical infrastructure
- Rack-mount form factor with TVI coaxial support for hybrid camera setups
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Speco Technologies

SKU: D8VN2TB

Speco D8VN2TB 8-Channel 4K TVI DVR 2TB

8-channel 4K TVI DVR with 2TB storage, TAA/NDAA compliant
- 8-channel 4K TVI recording on single dedicated DVR unit
- 2TB internal hard drive for extended continuous recording
- TAA and NDAA compliant for government procurement eligibility
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Speco Technologies

SKU: D8VN4TB

Speco D8VN4TB 8-Channel 4K TVI DVR 4TB

8-channel 4K TVI DVR with 4TB storage, TAA & NDAA compliant
- 4K TVI capture across 8 channels with simultaneous recording and playback
- 4TB integrated hard drive for extended retention without external expansion
- TAA and NDAA Section 889 compliant for government and federal procurement
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$1,526.30 $606.99 Save $919.31

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Speco Technologies

SKU: D8VN8TB

Speco D8VN8TB 8-Channel 4K TVI DVR 8TB

8-channel 4K TVI DVR with 8TB storage, TAA/NDAA compliant
- Records all 8 channels in 4K TVI resolution for detailed forensics
- 8TB internal hard drive eliminates need for external storage expansion
- TAA and NDAA compliant for government and federal contractor sites
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Speco Technologies

SKU: D8VX10TB

Speco D8VX10TB 8-Channel MPTVI DVR 10TB

8-channel DVR with 10TB storage for continuous analog surveillance
- 8-channel Higher MPTVI support handles mixed analog video standards on one unit
- 10TB internal storage extends retention without external drives or frequent swaps
- Industrial chassis rated for 24/7 operation in security operations centers and retail
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Speco Technologies

SKU: D8VX4TB

Speco D8VX4TB 8-Channel MPTVI DVR 4TB

8-channel DVR with 4TB storage and MPTVI thermal camera support
- 8-channel simultaneous recording from analog or hybrid camera inputs
- 4TB internal hard drive for extended continuous recording retention
- Frame-by-frame playback and timeline search for event investigation
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$1,480.30 $588.99 Save $891.31

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Speco Technologies

SKU: D8WHU8TB

Speco D8WHU8TB 8-Channel Wall Mount DVR 8TB

8-channel wall mount DVR with 8TB storage for analog CCTV
- Records 8 simultaneous camera inputs with 8TB onboard storage
- Wall-mounted form factor fits compact indoor security installations
- Standard CCTV analog compatibility with TAA-compliant design
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Speco Technologies

SKU: D8WVN10TB

Speco D8WVN10TB 8-Channel 4K TVI Wall-Mount DVR

8-channel 4K TVI DVR with 10TB storage, wall-mount form for compact installations
- 8-channel 4K TVI recording with 10TB onboard storage for extended retention
- Wall-mount design fits control rooms and secure facilities with limited rack space
- TAA/NDAA compliant for federal and critical infrastructure deployments
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$3,128.30 $1,230.99 Save $1,897.31

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Speco Technologies

SKU: D8WVN2TB

Speco D8WVN2TB 8-Channel 4K TVI Wallmount DVR 2TB

8-channel 4K TVI DVR with 2TB storage in compact wall-mount form
- Records 8 cameras at 4K (8 MP) resolution over TVI analog inputs
- 2TB onboard storage fits tight spaces with wall-mount design
- TAA and NDAA compliant for government and defense deployments
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$1,079.00 $424.99 Save $654.01

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Speco Technologies

SKU: D8WVN4TB

Speco D8WVN4TB 8-Channel 4K TVI Wallmount DVR 4TB

8-channel 4K TVI DVR with 4TB storage in compact wall-mount form
- Records all 8 channels simultaneously at 4K (3840×2160) resolution
- 4TB onboard HDD supports extended recording without external storage
- TAA and NDAA compliant for federal and public sector deployments
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Speco Technologies

SKU: D8WVN6TB

Speco D8WVN6TB 8-Channel 4K TVI Wallmount DVR 6TB

8-channel 4K TVI wallmount DVR with 6TB storage for compact ops
- 8MP 4K TVI recording across 8 channels with 6TB onboard storage
- Supports 4K TVI, 5MP, 1080p, and 720p cameras in single system
- Wall-mounted form factor fits tight spaces in retail and office setups
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$2,197.50 $864.99 Save $1,332.51

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Speco Technologies

SKU: D8WVN8TB

Speco D8WVN8TB 8-Channel 4K TVI Wallmount DVR 8TB

8-channel 4K TVI wall-mount DVR with 8TB storage, TAA/NDAA certified
- 8TB hard drive supports continuous 4K recording across all 8 TVI channels
- Wall-mount compact form factor (17.5" × 15.5" × 4.8") fits control rooms and offices
- TAA and NDAA compliant for government and federal procurement projects
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Speco Technologies

SKU: D8WVNP10TB

Speco D8WVNP10TB 8-Channel 4MP TVI DVR

8-channel 4MP TVI DVR with 10TB storage for local surveillance
- 4MP resolution across all 8 channels over coaxial cable infrastructure
- 10TB embedded HDD for extended onsite recording without network dependency
- Integrated power supply; TAA/NDAA compliant for government procurement
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$3,315.80 $1,304.99 Save $2,010.81

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Speco Technologies

SKU: D8WVNP2TB

Speco D8WVNP2TB 8-Channel 4MP TVI Wallmount DVR

8-channel 4MP TVI wallmount DVR with 2TB storage and integrated power
- Records 8 channels at 4MP resolution across TVI, analog-upgrade, and IP-hybrid cameras
- 2TB hard drive pre-installed; integrated power supply eliminates separate PSU
- TAA and NDAA compliant for government and sensitive facility deployments
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Speco Technologies

SKU: D8WVNP4TB

Speco D8WVNP4TB 8-Channel 4MP TVI Wallmount DVR

8-channel 4MP TVI DVR with 4TB storage, wall-mount form factor
- 8 channels of 4MP TVI capture with 4TB onboard HDD for extended retention
- Integrated power supply simplifies installation in compact wall-mount deployments
- TAA and NDAA compliant for federal and GSA Schedule projects
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$1,713.80 $674.99 Save $1,038.81

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Speco Technologies

SKU: D8WVNP6TB

Speco D8WVNP6TB 8-Channel 4MP TVI Wallmount DVR

8-channel 4MP TVI DVR with 6TB storage, wall-mount form factor
- 8 channels @ 4MP TVI resolution with 6TB internal storage capacity
- Wall-mount design with integrated power supply for compact deployment
- TAA and NDAA certified for federal procurement compliance requirements
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$2,385.00 $938.99 Save $1,446.01

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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 D8VN10TB 8-Channel 4K TVI DVR 10TB

Speco D8VN2TB 8-Channel 4K TVI DVR 2TB

Speco D8VN4TB 8-Channel 4K TVI DVR 4TB

Speco D8VN8TB 8-Channel 4K TVI DVR 8TB

Speco D8VX10TB 8-Channel MPTVI DVR 10TB

Speco D8VX4TB 8-Channel MPTVI DVR 4TB

Speco D8WHU8TB 8-Channel Wall Mount DVR 8TB

Speco D8WVN10TB 8-Channel 4K TVI Wall-Mount DVR

Speco D8WVN2TB 8-Channel 4K TVI Wallmount DVR 2TB

Speco D8WVN4TB 8-Channel 4K TVI Wallmount DVR 4TB

Speco D8WVN6TB 8-Channel 4K TVI Wallmount DVR 6TB

Speco D8WVN8TB 8-Channel 4K TVI Wallmount DVR 8TB

Speco D8WVNP10TB 8-Channel 4MP TVI DVR

Speco D8WVNP2TB 8-Channel 4MP TVI Wallmount DVR

Speco D8WVNP4TB 8-Channel 4MP TVI Wallmount DVR

Speco D8WVNP6TB 8-Channel 4MP TVI Wallmount DVR

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What to Look For When Buying

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