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: D8WVNP8TB

Speco D8WVNP8TB 8-Channel 4MP TVI Wallmount DVR

8-channel 4MP TVI DVR with 8TB storage in compact wall-mount form
- Records 8 channels at 4MP resolution on pre-installed 8TB hard drive
- Integrated power supply eliminates external PSU; wall-mount design fits tight spaces
- TVI analog video standard compatible with existing camera infrastructure
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Speco Technologies

SKU: D8WVNPM10TB

Speco D8WVNPM10TB 8-Channel 4MP TVI Wall-Mount DVR

8-channel 4MP TVI DVR with 10TB storage and built-in wall-mount display
- Records 8 channels at 4MP resolution on pre-installed 10TB storage
- Built-in monitor eliminates need for separate display or network access
- TVI camera compatible; TAA and NDAA compliant for government projects
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Speco Technologies

SKU: D8WVNPM2TB

Speco D8WVNPM2TB 8-Channel 4MP TVI Wallmount DVR

8-channel 4MP TVI DVR with 2TB storage in compact wall-mount form
- 4MP resolution across all 8 channels for TVI analog camera systems
- 2TB onboard HDD with integrated power supply and monitor included
- Compact wall-mount design fits tight spaces where rack mounting isn't viable
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Speco Technologies

SKU: D8WVNPM4TB

Speco D8WVNPM4TB 8-Channel 4MP TVI Wallmount DVR 4TB

8-channel 4MP TVI wallmount DVR with 4TB storage and included monitor
- 8 channels of 4MP TVI video with 4TB HDD pre-installed for immediate deployment
- Complete package includes DVR, power supply, and 24-inch monitor ready to mount
- TAA and NDAA compliant for government and federal procurement requirements
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$1,898.00 $746.99 Save $1,151.01

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Speco Technologies

SKU: D8WVNPM6TB

Speco D8WVNPM6TB 8CH 4MP TVI Wallmount DVR 6TB

8-channel 4MP TVI DVR with integrated monitor and 6TB storage
- 8-channel 4MP TVI recording with 6TB HDD for continuous capture
- Wall-mounted form factor with built-in display eliminates separate gear
- TAA and NDAA compliant for government and federal projects
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Speco Technologies

SKU: D8WVNPM8TB

Speco D8WVNPM8TB 8-Channel 4MP TVI Wallmount DVR 8TB

8-channel 4MP TVI DVR with 8TB storage and integrated 24-inch monitor
- Records 4MP (1520 × 1200) across all 8 channels on TVI analog cameras
- 8TB storage supports extended retention for continuous multi-channel recording
- Wallmount unit ships with integrated power supply and 24-inch display
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Speco Technologies

SKU: D8WVXPM4TB

Speco D8WVXPM4TB 8-Channel TVI Wall-Mount DVR 4TB

8-channel TVI DVR wall-mount with 4TB storage and included monitor
- 8-channel TVI recording with compatibility for analog cameras
- 4TB pre-installed hard drive captures extended footage without extra drives
- Complete system includes power supply and monitor, ready to mount
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$1,806.00 $710.99 Save $1,095.01

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Speco Technologies

SKU: D8WVXPM6TB

Speco D8WVXPM6TB 8-Channel TVI Wallmount DVR 6TB

8-channel TVI DVR with integrated monitor and 6TB storage
- 8-channel TVI recording with 6TB hard drive for extended local storage
- Wall-mount form factor with built-in display and power supply
- Ready-to-deploy package includes DVR unit, HDD, monitor, and PSU
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$2,493.50 $980.99 Save $1,512.51

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Speco Technologies

SKU: DDAK4

Speco DDAK4 Digital Deterrent Kit for DVR Systems

Complete power & adapter kit for DVR surveillance system deployment
- Includes ASPC20 12V DC power supply, PSDC24 cable adapter, connector
- All components factory-matched for DVR compatibility—no sourcing guesswork
- Bundled kit reduces procurement time and job-site component management
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$184.30 $72.99 Save $111.31

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Speco Technologies

SKU: H24WHRN2TB

Speco H24WHRN2TB 24-Channel Hybrid Recorder 2TB

24-channel hybrid recorder with 2TB storage for mixed TVI and IP cameras
- 16 hybrid channels accept TVI or IP cameras; 8 dedicated IP channels for flexible deployments
- 2TB internal storage supports continuous recording across all 24 channels
- Wall-mount design with ONVIF support and NDAA compliance for regulated environments
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Speco Technologies

SKU: H5B1M

Speco H5B1M 5MP HD-TVI Bullet Camera 2.8-12mm

5MP HD-TVI bullet with motorized 2.8-12mm zoom for outdoor perimeter
- 5MP resolution (2592×1944) with motorized varifocal lens for flexible coverage
- IP66-rated housing withstands rain and spray in exposed outdoor positions
- PoE-powered HD-TVI transmission simplifies cabling on hybrid surveillance systems
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$404.50 $175.99 Save $228.51

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Speco Technologies

SKU: H6WHRLN10TB

Speco H6WHRLN10TB 6-Channel Hybrid Recorder 10TB

6-channel hybrid recorder with 10TB storage for TVI and IP cameras
- 4 hybrid channels accept TVI analog or IP cameras; 2 dedicated IP channels
- 10TB built-in storage for extended video retention and playback
- Wall-mount design with NDAA compliance for government and institutional use
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Speco Technologies

SKU: H6WHRLN12TB

Speco H6WHRLN12TB 6-Channel Hybrid Recorder 12TB

6-channel hybrid recorder with 12TB storage for analog and IP cameras
- 4 hybrid channels accept TVI analog or IP; 2 dedicated IP channels for mixed setups
- 12TB internal storage supports extended retention across all 6 recording channels
- Wall-mount form factor; NDAA certified for government and federal installations
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$2,697.50 $993.99 Save $1,703.51

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Speco Technologies

SKU: LB1

Speco LB1 DVR/VCR Lock Box with Integrated Fan

Lockable DVR/VCR enclosure with integrated fan cooling
- Folding front panel and removable top for equipment access and installation
- Integrated fan maintains thermal management for continuous DVR/VCR operation
- Lockable design prevents unauthorized access to surveillance recording hardware
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$298.99

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Speco Technologies

SKU: LB3

Speco LB3 Rackmountable DVR Lock Box with Cooling Fan

19-inch rack-mount DVR enclosure with key lock and cooling fan
- Heavy-duty locking mechanism protects DVR equipment from unauthorized access
- Integrated cooling fan maintains optimal temperatures in confined rack spaces
- Steel construction designed for standard DVR units in indoor installations
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$273.99

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Speco Technologies

SKU: N128NR112TB

Speco N128NR112TB 128-Channel 4K H.265 NVR

128-channel 4K NVR with 112TB storage and H.265 compression
- 128 channels record 4K UHD simultaneously with H.265 codec
- 112TB integrated storage supports extended retention and archival
- H.265 compression cuts bandwidth 50% vs H.264 over standard networks
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$27,145.00 $10,786.99 Save $16,358.01

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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 D8WVNP8TB 8-Channel 4MP TVI Wallmount DVR

Speco D8WVNPM10TB 8-Channel 4MP TVI Wall-Mount DVR

Speco D8WVNPM2TB 8-Channel 4MP TVI Wallmount DVR

Speco D8WVNPM4TB 8-Channel 4MP TVI Wallmount DVR 4TB

Speco D8WVNPM6TB 8CH 4MP TVI Wallmount DVR 6TB

Speco D8WVNPM8TB 8-Channel 4MP TVI Wallmount DVR 8TB

Speco D8WVXPM4TB 8-Channel TVI Wall-Mount DVR 4TB

Speco D8WVXPM6TB 8-Channel TVI Wallmount DVR 6TB

Speco DDAK4 Digital Deterrent Kit for DVR Systems

Speco H24WHRN2TB 24-Channel Hybrid Recorder 2TB

Speco H5B1M 5MP HD-TVI Bullet Camera 2.8-12mm

Speco H6WHRLN10TB 6-Channel Hybrid Recorder 10TB

Speco H6WHRLN12TB 6-Channel Hybrid Recorder 12TB

Speco LB1 DVR/VCR Lock Box with Integrated Fan

Speco LB3 Rackmountable DVR Lock Box with Cooling Fan

Speco N128NR112TB 128-Channel 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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