NVRs, VMS, and Video Storage | Commercial Surveillance Recording

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ACTi

SKU: PHDD-2B01

Acti PHDD-2B01 Hgst Ultrastar 7k6000 12TB Hard Disk Drive

12TB 3.5" SATA drive for 24/7 surveillance NVR storage
Special Order · Usually Ships in 2-3 Weeks

$5,004.00 $3,786.99 Save $1,217.01

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ACTi

SKU: PHDD-2E01

Acti PHDD-2E01 Hgst Ultrastar 7k6000 14TB Hard Drive

14TB enterprise surveillance drive for continuous NVR recording
Special Order · Usually Ships in 2-3 Weeks

$5,126.00 $3,878.99 Save $1,247.01

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ACTi

SKU: PHDD-2J00

Acti PHDD-2J00 WD Ultrastar 22TB 3.5" Hard Disk Drive

22TB 3.5" surveillance drive for Acti NVR systems, 7200 RPM SATA
Special Order · Usually Ships in 2-3 Weeks

$7,992.00 $6,048.99 Save $1,943.01

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ACTi

SKU: PHDD-2M00

Acti PHDD-2M00 WD Ultrastar 24TB 3.5" Hard Disk Drive

24TB surveillance drive for continuous NVR recording in rack systems
Special Order · Usually Ships in 2-3 Weeks

$7,272.00 $5,502.99 Save $1,769.01

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ACTi

SKU: PHDD-3C11

Acti PHDD-3C11 mSATA 128GB System Drive with Windows 10

128GB mSATA drive with Windows 10 for Acti GNR-330 NVR systems
Special Order · Usually Ships in 2-3 Weeks

$1,338.00 $1,197.99 Save $140.01

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ACTi

SKU: V21

ACTi V21 1-Channel H.264 Video Encoder

Single-channel H.264 encoder for analog-to-IP migration with PoE
Special Order · Usually Ships in 2-3 Weeks

$776.00 $560.99 Save $215.01

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ACTi

SKU: V24

Acti V24 4-Channel Video Encoder

4-channel H.264 encoder for analog-to-IP migration, PoE powered
Special Order · Usually Ships in 2-3 Weeks

$915.00 $659.99 Save $255.01

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ACTi

SKU: V32

Acti V32 Rackmount 16-Channel Video Encoder

16-channel H.264 encoder for analog-to-IP migration in rack deployments
Special Order · Usually Ships in 2-3 Weeks

$3,069.00 $2,211.99 Save $857.01

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Axis

SKU: 02365-021

Axis 02365-021 512GB Surveillance Card 10-Pack

512GB microSD surveillance cards, 10-pack for Axis cameras
Special Order · Usually Ships in 2-3 Weeks

$2,479.00 $2,404.99 Save $74.01

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Axis

SKU: 03317-001

Axis 03317-001 Enterprise Hard Drive 12TB

12TB enterprise hard drive for continuous NVR surveillance recording
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$1,539.00 $823.99 Save $715.01

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Axis

SKU: 02724-001

Axis Body Worn Live - 02724-001

Body-worn camera with live streaming and two-way audio for field ops
- Real-time video, audio, and metadata streaming to command centers
- Two-way audio communication for operational coordination and evidence
- Encrypted transmission protocols for secure law enforcement deployment
Special Order · Usually Ships in 2-3 Weeks

$209.00 $202.99 Save $6.01

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Axis

SKU: 02749-001

Axis Body Worn Manager Pro Software Solution

Centralized body camera evidence management with Active Directory auth
- Multi-site video control with role-based access for law enforcement teams
- Microsoft Active Directory integration eliminates separate credential management
- Built-in analytics and reporting for operational insights across deployments
Special Order · Usually Ships in 2-3 Weeks

$209.00 $202.99 Save $6.01

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Axis

SKU: 02994-001

Axis Camera Station Pro - 02994-001

Unlimited IP camera licensing with H.265 compression and centralized management
- Supports unlimited Axis and ONVIF-compatible cameras on single platform
- H.265 compression reduces storage needs vs. H.264 on continuous recording
- Role-based permissions with location, camera-group, and function-level controls
In stock · Usually Ships Same Business Day

$89.00 $85.99 Save $3.01

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Axis

SKU: 02995-001

Axis Camera Station Pro - 02995-001

Axis Camera Station Pro license for third-party IP cameras and NVRs
- ONVIF-compatible integration consolidates Axis and non-Axis devices in one VMS
- Per-installation software licensing model eliminates vendor lock-in and rip-replace costs
- Professional-grade management with role-based access and multi-camera coordination
In stock · Usually Ships Same Business Day

$169.00 $163.99 Save $5.01

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Axis

SKU: 02996-001

Axis Camera Station Pro - 02996-001

Software license upgrade for unlimited Axis + third-party cameras
- Unlimited Axis IP cameras and ONVIF third-party devices on one system
- AcuSense deep learning analytics with people counting and object detection
- Centralized multi-location monitoring with flexible NAS, direct-attached, or cloud storage
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$89.00 $85.99 Save $3.01

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Axis

SKU: 03037-001

Axis D3110 Mk II Connectivity Hub - 03037-001

Rack-mount hub bridges analog sensors and audio into networked surveillance
- 8 supervised I/O channels detect faults and trigger alerts on door/motion events
- Built-in glass break, shouting, and alarm detection via AXIS Audio Analytics
- 2 audio inputs + 1 output with VAPIX, MQTT, and SIP protocol support
In stock · Usually Ships Same Business Day

$489.00 $473.99 Save $15.01

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What to Look For When Buying

The six decisions that matter most before you spec.

Channel Count vs Bitrate Ceiling

A "32-channel" NVR doesn't mean 32 4K cameras. Aggregate bitrate — typically 320 Mbps or 512 Mbps on commercial NVRs — is the real constraint. 32 cameras × 8 Mbps each = 256 Mbps, which leaves almost no headroom for peak motion scenes. Size by aggregate bitrate first, channel count second. See retention math.

RAID vs JBOD vs Single-Drive

Single-drive NVRs fail catastrophically on disk loss. RAID 5 survives one drive loss, RAID 6 survives two, RAID 10 combines mirror + stripe. For critical deployments, specify RAID 5 minimum — and size the array for rebuild-time bitrate, which can be 4x normal write load for 24+ hours. Use surveillance-grade drives only (Seagate SkyHawk, WD Purple) — consumer and NAS drives will fail under 24/7 write workload.

VMS vs Appliance NVR

Appliance NVRs (Axis Camera Station, Hanwha Wisenet NVR, Hikvision DS-96xxx) are purpose-built, tested-together hardware with bundled licensing. Server-based VMS (Milestone XProtect, Genetec Security Center, Avigilon ACC) scale to unlimited channels, mix any ONVIF camera, and integrate with enterprise systems. Choose appliance for <64-channel single-site; choose VMS for multi-site or enterprise integration.

NDAA Compliance for Recorders

NDAA restrictions apply to NVRs as well as cameras — Hikvision and Dahua NVRs are excluded from federal procurement. NDAA-compliant NVR options include Axis Camera Station, Hanwha Wisenet, i-PRO, Digital Watchdog, Bosch, and server-based VMS on standard x86 hardware.

Retention & Compression

30-day retention across 32 4K cameras can be ~100 TB at H.264 — or ~50 TB at H.265 — or ~30 TB with smart-compression variants. Cameras, codec, bitrate, and motion activity all compound. Our retention math guide covers the formulas; use conservative bitrate assumptions unless you've benchmarked your scenes.

Failover & High Availability

Mission-critical deployments use dual-recorder failover (Milestone XProtect Corporate, Genetec Archiver redundancy, Axis Camera Station Pro HA). Standalone appliance NVRs typically don't support true HA — their failover is limited to edge SD-card recording on the cameras themselves. If uptime matters, architect HA from day one, not as a retrofit.

Technology Stack

The specs and acronyms that actually affect outdoor performance.

ONVIF Profile G + T

Profile G standardizes recording and playback; Profile T adds advanced streaming including H.265 and analytics metadata. Certified conformance — not "ONVIF compatible" language — is what ensures playback, export, and metadata interoperability across NVRs and VMS. Check spec sheets.

H.265 / HEVC vs H.264 / AVC

H.265 cuts bitrate 40-50% at equivalent perceived quality. Storage savings compound over multi-month retention. Trade-off: H.265 decoding requires ~2x the CPU for live monitoring on mid-range VMS servers. Most new NVRs support H.265 recording and H.264 or H.265 decoding per-channel.

RAID Levels for Surveillance

RAID 5 (stripe + parity, single-drive tolerance) is the surveillance standard for 4-8 drive arrays. RAID 6 (stripe + double parity, two-drive tolerance) for 8+ drive arrays where rebuild time extends risk window. RAID 10 (mirror + stripe) for write-intensive video-analytics servers. Never RAID 0 for production.

Surveillance-Grade HDDs

Seagate SkyHawk and WD Purple are purpose-engineered for 24/7 write workloads at 180 TB/yr workload rating. Consumer desktop drives (Seagate Barracuda, WD Blue) and even NAS drives (WD Red) will fail prematurely under 16-camera continuous-record load. Budget SkyHawk/Purple pricing up-front — drive failures during warranty are operationally painful.

Edge + Cloud Hybrid Archive

Modern deployments often combine local edge recording (30-day primary retention) with cloud archive (90-day+ compliance retention). Axis Connected Services, Milestone XProtect Cloud, Genetec Stratocast, and Verkada Command implement edge-to-cloud tiering. Bandwidth, egress costs, and compliance scope all matter.

Failover Architecture

Milestone XProtect Corporate implements true recorder failover — a standby server takes over recording within seconds of primary failure. Genetec Archiver Redundancy works similarly. Appliance NVRs typically do not support true failover; SD-card failover on the camera itself fills the gap for brief outages but not for total recorder loss.

Typical Deployment Scenarios

32-Camera Retail Plaza

Single-site deployment: 32 IP cameras across six storefronts, mix of outdoor and indoor. 32-channel NVR with 16TB RAID-5 for 30-day retention at 2 Mbps H.265. Mobile app for store managers, export workflow for loss-prevention.

500-Camera Campus VMS

University campus with 500 IP cameras across 40 buildings, mix of brand/form-factor. Milestone XProtect Expert on dual redundant servers, 300TB NetApp storage, integrated with access control events and mass-notification. 60-day retention, 7-year forensic archive on tape.

Multi-Site Retail Chain

200 retail locations, 12 cameras per site, centralized VMS. Milestone XProtect Corporate or Genetec Federation model: per-site edge NVR with central management at HQ. Cloud archive for 90-day compliance retention. Analytics for people-counting, dwell-time, and shrinkage investigation.

Critical Infrastructure

Utility substation with 48 cameras including thermal, PTZ, and panoramic. Dual-redundant VMS servers with real-time replication, FIPS 140-2 encryption, CJIS-compliant audit logging. NDAA-compliant cameras and NVRs only — Axis, Hanwha, i-PRO. Integration with SCADA and perimeter intrusion.

Frequently Asked Questions

How do I size an NVR for my cameras?

Start with aggregate bitrate, not channel count. Estimate per-camera bitrate (2 Mbps for 2MP H.265, 4-6 Mbps for 4K H.265 on busy scenes) and sum across all cameras. Ensure the NVR's total-bitrate rating exceeds your sum by at least 20%. Then size storage: total bitrate × seconds × retention days ÷ 8 = bytes. Our retention math guide walks through the complete formula.

Are Hikvision NVRs NDAA compliant?

No. Hikvision and Dahua NVRs fall under the same NDAA Section 889 restrictions as their cameras — excluded from U.S. federal, state government, and critical-infrastructure procurement. NDAA-compliant NVR options include Axis Camera Station, Hanwha Wisenet, i-PRO, Digital Watchdog, and Bosch DIVAR.

Do I need surveillance-grade hard drives?

Yes — standard desktop or NAS drives will fail prematurely under 24/7 write workload. Seagate SkyHawk and Western Digital Purple are purpose-engineered for surveillance workloads (180 TB/yr rating, multi-drive vibration tolerance, optimized firmware for streaming writes). The cost difference vs. desktop drives is marginal; the failure rate difference is catastrophic.

What's the difference between an NVR and a VMS?

An NVR is a turnkey appliance — tested hardware + software combo, typically 8-64 channels, easy to deploy. A VMS (Video Management System) is server-based software that runs on standard x86 hardware and scales to thousands of channels, mixes any ONVIF cameras, and integrates with enterprise systems. Rule of thumb: NVR for single-site <64 channels; VMS for multi-site, >64 channels, or enterprise integration. See our VMS platform guide.

Can I mix camera brands on one NVR?

It depends. Appliance NVRs (Axis Camera Station, Hanwha Wisenet) typically support their own brand plus ONVIF cameras with limited analytics interop. Server-based VMS platforms (Milestone, Genetec, Exacq) routinely mix Axis, Hanwha, i-PRO, Hikvision, Bosch on one server — as long as all are ONVIF Profile S + G certified. Vendor-specific AI/analytics metadata may require the matching VMS.

What RAID level should I use for surveillance storage?

RAID 5 for 4-8 drive arrays (single-drive tolerance, ~80% storage efficiency). RAID 6 for 8+ drive arrays where rebuild time is long and second-drive failure during rebuild is a realistic risk. RAID 10 for analytics-heavy VMS servers that mix high write + read workloads. Never RAID 0 for production. Size all arrays for rebuild-time performance — 4x normal bitrate is typical during a rebuild.

Video & Storage

Plan Your Deployment

Sub categories

Showing Results for Video & Storage

Acti PHDD-2B01 Hgst Ultrastar 7k6000 12TB Hard Disk Drive

Acti PHDD-2E01 Hgst Ultrastar 7k6000 14TB Hard Drive

Acti PHDD-2J00 WD Ultrastar 22TB 3.5" Hard Disk Drive

Acti PHDD-2M00 WD Ultrastar 24TB 3.5" Hard Disk Drive

Acti PHDD-3C11 mSATA 128GB System Drive with Windows 10

ACTi V21 1-Channel H.264 Video Encoder

Acti V24 4-Channel Video Encoder

Acti V32 Rackmount 16-Channel Video Encoder

Axis 02365-021 512GB Surveillance Card 10-Pack

Axis 03317-001 Enterprise Hard Drive 12TB

Axis Body Worn Live - 02724-001

Axis Body Worn Manager Pro Software Solution

Axis Camera Station Pro - 02994-001

Axis Camera Station Pro - 02995-001

Axis Camera Station Pro - 02996-001

Axis D3110 Mk II Connectivity Hub - 03037-001

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