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

Sub categories

Showing Results for Network Video Recorders (NVRs)

Compare

Out of stock
Speco Technologies

SKU: N64NR8TB

Speco N64NR8TB 64-Channel 4K H.265 NVR 8TB

64-channel 4K H.265 NVR with 8TB storage for large-scale surveillance
- Records up to 64 IP cameras simultaneously in 4K resolution
- H.265 codec reduces storage needs while maintaining forensic-quality video
- Built-in analytics detect events intelligently across all camera feeds
Special Order · Ships in 2-3 weeks

$4,260.00 $1,534.99 Save $2,725.01

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N64NR96TB

Speco N64NR96TB 64-Channel 4K NVR 96TB

64-channel 4K NVR with 96TB storage and H.265 compression
- Records all 64 channels in 4K UHD simultaneously with H.265 codec
- 96TB onboard storage handles extended retention for large deployments
- On-device analytics detect events in real-time without external servers
Special Order · Ships in 2-3 weeks

$21,230.50 $7,671.99 Save $13,558.51

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRL

Speco N8NRL 8-Channel 4K H.265 NVR with PoE

8-channel 4K NVR with integrated PoE for 8 cameras
- Records 4K UHD video from 8 IP cameras simultaneously over Ethernet
- H.265 codec reduces bandwidth and storage needs vs. H.264
- Built-in PoE power eliminates external injectors; 1 SATA bay for storage
Special Order · Ships in 2-3 weeks

$809.30 $318.99 Save $490.31

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRL10TB

Speco N8NRL10TB 8-Channel 4K H.265 NVR PoE

8-channel 4K NVR with integrated PoE+ and 10TB storage
- Records 8 IP cameras at 4K using H.265 compression for 40–50% smaller files
- Built-in PoE+ switch powers all 8 cameras; no separate injectors needed
- 10TB drive holds ~30–40 days of continuous 4K recording; expandable via SATA slot
Special Order · Ships in 2-3 weeks

$2,391.50 $940.99 Save $1,450.51

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRL12TB

Speco N8NRL12TB 8-Channel 4K H.265 NVR PoE 12TB

8-channel 4K NVR with built-in PoE and 12TB storage
- Record 8 IP cameras in 4K (3840×2160) with H.265 compression
- Integrated PoE switching powers compatible cameras without separate injectors
- 12TB internal SATA storage for extended 4K recording retention
Special Order · Ships in 2-3 weeks

$2,901.30 $1,141.99 Save $1,759.31

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRL16TB

Speco N8NRL16TB 8-Channel 4K H.265 NVR PoE 16TB

8-channel 4K NVR with integrated PoE and 16TB storage
- Records 8 simultaneous 4K streams using H.265 compression
- Built-in PoE+ powers and connects up to 8 cameras via single cables
- 16TB internal storage for extended retention without external NAS
Special Order · Ships in 2-3 weeks

$3,658.00 $1,439.99 Save $2,218.01

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRL2+O2VB1V

Speco N8NRL2+O2VB1V 8-Channel 4K NVR PoE Bundle

8-channel 4K NVR with integrated PoE and 2 included cameras
- H.265 compression reduces bandwidth and extends 2TB storage retention
- Two 2MP bullet cameras with 2.8-12mm varifocal lens and IR included
- Built-in PoE power eliminates external injectors and separate supply runs
Special Order · Ships in 2-3 weeks

$460.99

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRL6TB

Speco N8NRL6TB 8-Channel 4K H.265 NVR PoE 6TB

8-channel 4K NVR with integrated PoE and 6TB storage
- Records 8 cameras at 4K resolution with H.265 compression
- Built-in PoE power eliminates separate injectors and cabling
- 6TB internal storage supports extended retention across channels
Special Order · Ships in 2-3 weeks

$1,763.30 $693.99 Save $1,069.31

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRL8TB

Speco N8NRL8TB 8-Channel 4K NVR with PoE++

8-channel 4K NVR with integrated PoE++ and 8TB storage
- Records 8 cameras at 4K (3840×2160) simultaneously with H.265 compression
- Built-in PoE++ power on all 8 channels eliminates external switch requirement
- 8TB SATA HDD onboard; desktop or rack-mountable form factor
Special Order · Ships in 2-3 weeks

$2,082.30 $819.99 Save $1,262.31

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRM12TB

Speco N8NRM12TB 8-Channel 4K NVR PoE 12TB

8-channel 4K NVR with integrated PoE and 12TB storage
- Records 8 IP cameras at 4K resolution with H.265 compression
- 12TB SATA storage built-in; no external drive required
- Integrated PoE powers compatible cameras directly from recorder
Special Order · Ships in 2-3 weeks

$2,845.50 $1,130.99 Save $1,714.51

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRM16TB

Speco N8NRM16TB 8-Channel 4K H.265 NVR PoE

8-channel 4K NVR with H.265 compression and 16TB storage
- Records 8 IP cameras simultaneously at 4K with H.265 codec
- 16TB included storage; H.265 cuts file sizes 50% vs H.264
- Integrated PoE+ power delivery simplifies camera installation
Special Order · Ships in 2-3 weeks

$3,105.30 $1,233.99 Save $1,871.31

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRM4TB

Speco N8NRM4TB 8-Channel 4K H.265 NVR PoE

8-channel 4K NVR with integrated PoE and 4TB storage in 1U rackmount
- 8-channel 4K recording with H.265 compression reduces bandwidth and storage demand
- Built-in PoE switching eliminates separate power injectors and external switches
- 4TB pre-installed with 1 SATA slot for expandable archival storage
Special Order · Ships in 2-3 weeks

$1,352.00 $537.99 Save $814.01

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRM6TB

Speco N8NRM6TB 8-Channel 4K H.265 NVR PoE 6TB

8-channel 4K NVR with integrated PoE and 6TB storage for enterprise surveillance
- Records all 8 channels in 4K UHD simultaneously with H.265 compression
- Built-in PoE switch powers compatible cameras directly, eliminating extra injectors
- 6TB SATA storage extends retention; NDAA-compliant for federal procurement
Special Order · Ships in 2-3 weeks

$1,753.30 $696.99 Save $1,056.31

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRM8TB

Speco N8NRM8TB 8-Channel 4K H.265 NVR PoE

8-channel 4K NVR with integrated PoE and 8TB storage
- 8-channel 4K recording with H.265 compression for extended retention
- Integrated PoE power delivery eliminates separate camera power supplies
- 8TB onboard storage supports extended recording schedules on-site
Special Order · Ships in 2-3 weeks

$811.99

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRN12TB

Speco N8NRN12TB 8-Channel 4K H.265 NVR with PoE

8-channel 4K NVR with integrated PoE and 12TB storage
- Records 8 cameras at 4K resolution using H.265 compression
- 12TB built-in SATA storage eliminates external drive dependency
- Integrated PoE support powers compatible cameras without injectors
Special Order · Ships in 2-3 weeks

$3,013.30 $1,185.99 Save $1,827.31

Add to Cart
The item has been added
Compare

Out of stock
Speco Technologies

SKU: N8NRN16TB

Speco N8NRN16TB 8-Channel 4K H.265 NVR PoE 16TB

8-channel 4K NVR with integrated PoE+ and 16TB storage
- 8-channel 4K recording with H.265 compression reduces bandwidth and storage needs
- Built-in PoE+ power eliminates external injectors for direct camera connectivity
- 16TB onboard SATA storage supports extended retention across all channels
Special Order · Ships in 2-3 weeks

$3,286.30 $1,292.99 Save $1,993.31

Add to Cart
The item has been added

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 N64NR8TB 64-Channel 4K H.265 NVR 8TB

Speco N64NR96TB 64-Channel 4K NVR 96TB

Speco N8NRL 8-Channel 4K H.265 NVR with PoE

Speco N8NRL10TB 8-Channel 4K H.265 NVR PoE

Speco N8NRL12TB 8-Channel 4K H.265 NVR PoE 12TB

Speco N8NRL16TB 8-Channel 4K H.265 NVR PoE 16TB

Speco N8NRL2+O2VB1V 8-Channel 4K NVR PoE Bundle

Speco N8NRL6TB 8-Channel 4K H.265 NVR PoE 6TB

Speco N8NRL8TB 8-Channel 4K NVR with PoE++

Speco N8NRM12TB 8-Channel 4K NVR PoE 12TB

Speco N8NRM16TB 8-Channel 4K H.265 NVR PoE

Speco N8NRM4TB 8-Channel 4K H.265 NVR PoE

Speco N8NRM6TB 8-Channel 4K H.265 NVR PoE 6TB

Speco N8NRM8TB 8-Channel 4K H.265 NVR PoE

Speco N8NRN12TB 8-Channel 4K H.265 NVR with PoE

Speco N8NRN16TB 8-Channel 4K H.265 NVR PoE 16TB

Browse by Product Family

What to Look For When Buying

Technology Stack

Typical Deployment Scenarios

Top Brands for Network Video Recorders (NVRs)

Frequently Asked Questions

Related Categories

Engineering Reading