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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Hikvision

SKU: DS-7616NI-Q2/16P-4TB

Hikvision DS-7616NI-Q2/16P-4TB 16-Channel 4K NVR 4TB

16-channel 4K NVR with 4TB storage and integrated 16-port PoE
- 12MP simultaneous recording on all 16 channels at 30 fps
- H.265+ compression reduces storage needs by ~50% vs. H.264
- Dual SATA bays support up to 8TB per drive for extended retention
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$976.00 $372.99 Save $603.01

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Hikvision

SKU: DS-7732NI-M4/24P

Hikvision DS-7732NI-M4/24P 32-Channel 8K NVR with Integrated PoE

32-channel 8K NVR with 24 integrated PoE ports for large-scale surveillance
- 24 PoE++ ports deliver 95W each, powering 32 cameras without external switch
- 320 Mbps bandwidth supports mixed 4K/8K streams with H.265+ codec efficiency
- 32-channel decode at 1080p with two-way audio to 8 IP speakers included
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$2,064.00 $1,396.99 Save $667.01

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Axis

SKU: 03428-004

Axis S1216 Tower Mk II 8TB Recording Server - 03428-004

8TB tower server with 16 Camera Station Pro licenses and FIPS 140-2 security
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$3,799.00 $3,747.99 Save $51.01

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Axis

SKU: 03428-012

Axis S1216 Tower Mk II 8TB Recording Server - 03428-012

Secure 8TB recording server with TPM 2.0 for enterprise surveillance
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$3,880.99

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Axis

SKU: 03334-001

Axis S1228 AI-Optimized Recording Server - 03334-001

AI-optimized server with 28 licenses, 12TB storage, 28 channels
- 28 Camera Station Pro licenses preloaded for immediate deployment
- 12TB onboard storage handles extended retention across 28 video channels
- AI-driven Smart Search and natural language analytics accelerate investigations
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$10,999.00 $10,917.99 Save $81.01

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Axis

SKU: 02536-004

Axis S1232 Tower 32TB NVR Server - 02536-004

32TB tower NVR for AXIS Camera Station deployments
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$8,899.00 $8,777.99 Save $121.01

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Axis

SKU: 02541-001

Axis S1264 144TB Rack Recording Server - 02541-001

144TB rack server with 64 camera licenses for enterprise surveillance
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$20,999.00 $20,712.99 Save $286.01

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Axis

SKU: 02539-001

Axis S1264 24TB Rack Recording Server - 02539-001

24TB rack server for 64-camera surveillance networks
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$11,799.00 $11,638.99 Save $160.01

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Axis

SKU: 02807-004

Axis S2208 Mk II 8-Channel PoE Recording Server - 02807-004

8-channel PoE NVR with 4TB storage and fanless silent design
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$3,012.99

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Axis

SKU: 02809-004

Axis S2216 Mk II 8TB Rack-Mount NVR - 02809-004

16-channel PoE rack NVR with 8TB storage and integrated switch
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$4,599.00 $4,536.99 Save $62.01

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Axis

SKU: 02810-004

Axis S2224 Mk II 24-Channel Camera Station Rack - 02810-004

24-channel rack appliance with integrated PoE switch and 12TB storage
- 24 concurrent video streams with Axis Camera Station Pro licensing included
- Managed 24-port PoE switch eliminates separate network infrastructure
- 12TB onboard + 2 expansion bays scale to 24TB; RAID 0/1/5/10 redundancy
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$5,422.99

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Axis

SKU: 02766-004

Axis S3008 Mk II 8TB Network Video Recorder - 02766-004

8TB compact NVR with integrated 8-port PoE switch for small facilities
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$1,249.00 $1,231.99 Save $17.01

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Axis

SKU: 02765-004

Axis S3008 Mk II Compact PoE Recorder 4TB - 02765-004

8-camera PoE recorder with integrated switch and 4TB storage in compact form
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$929.00 $916.99 Save $12.01

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Geovision

SKU: 745-RSDVR-H048

Geovision 745-RSDVR-H048 Gv-rs Hd-dvr

HD-DVR with multi-channel recording and local storage for Geovision systems
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$1,193.99 $1,170.99 Save $23.00

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Geovision

SKU: 745-VM00000-H004

Geovision 745-VM00000-H004 32-Channel HD DVR

32-channel HD DVR for multi-site surveillance with centralized control
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$99.99 $97.99 Save $2.00

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Geovision

SKU: 94-FO708-128

Geovision 94-FO708-128 Failover Server 8-Bay

8-bay failover server for DVR/NVR redundancy without manual intervention
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$4,019.00 $3,288.99 Save $730.01

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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)

Hikvision DS-7616NI-Q2/16P-4TB 16-Channel 4K NVR 4TB

Hikvision DS-7732NI-M4/24P 32-Channel 8K NVR with Integrated PoE

Axis S1216 Tower Mk II 8TB Recording Server - 03428-004

Axis S1216 Tower Mk II 8TB Recording Server - 03428-012

Axis S1228 AI-Optimized Recording Server - 03334-001

Axis S1232 Tower 32TB NVR Server - 02536-004

Axis S1264 144TB Rack Recording Server - 02541-001

Axis S1264 24TB Rack Recording Server - 02539-001

Axis S2208 Mk II 8-Channel PoE Recording Server - 02807-004

Axis S2216 Mk II 8TB Rack-Mount NVR - 02809-004

Axis S2224 Mk II 24-Channel Camera Station Rack - 02810-004

Axis S3008 Mk II 8TB Network Video Recorder - 02766-004

Axis S3008 Mk II Compact PoE Recorder 4TB - 02765-004

Geovision 745-RSDVR-H048 Gv-rs Hd-dvr

Geovision 745-VM00000-H004 32-Channel HD DVR

Geovision 94-FO708-128 Failover Server 8-Bay

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What to Look For When Buying

Technology Stack

Typical Deployment Scenarios

Top Brands for Network Video Recorders (NVRs)

Frequently Asked Questions

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