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Speco Technologies

SKU: N4NRM4TB

Speco N4NRM4TB 4-Channel 4K H.265 NVR with PoE

4-Channel 4K NVR with integrated PoE and 4TB storage
- Records four cameras simultaneously at 4K resolution for forensic-grade footage.
- Integrated 802.3af PoE eliminates separate switches, simplifying camera wiring runs.
- Ships with 4TB installed and one SATA bay ready for drive swap or capacity upgrade.
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Speco Technologies

SKU: N4NRM6TB

Speco N4NRM6TB 4-Channel 4K H.265 NVR PoE+

4-channel 4K NVR with integrated PoE+ and 6TB storage
- Records all 4 channels at 4K UHD with H.265 compression
- Built-in PoE+ injector powers cameras without external switch
- 6TB pre-installed SATA drive; NDAA-compliant for government use
$1,149.05 $633.99 Save $515.06

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Speco Technologies

SKU: N4NRM8TB

Speco N4NRM8TB 4-Channel 4K H.265 NVR PoE 8TB

4-channel 4K NVR with integrated PoE and 8TB storage
- 4K UHD recording across all four channels with H.265 compression
- Built-in PoE+ power injection eliminates separate switch requirement
- 8TB pre-installed SATA storage for continuous recording capability
$1,436.95 $792.99 Save $643.96

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Speco Technologies

SKU: N4NRN10TB

Speco N4NRN10TB 4-Channel 4K H.265 NVR PoE 10TB

4-channel 4K NVR with integrated PoE and 10TB storage, NDAA compliant
- 4K recording on 4 channels with H.265 compression for 50% smaller files
- Integrated PoE power eliminates separate injectors and simplifies wiring
- 10TB onboard storage supports extended recording duration with hot-swap drive
$2,233.50 $853.99 Save $1,379.51

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Speco Technologies

SKU: N4NRN12TB

Speco N4NRN12TB 4-Channel 8MP PoE NVR 12TB

4-channel 8MP PoE NVR with 12TB storage for compact surveillance
- Records 8MP across 4 channels simultaneously with H.265 compression
- Integrated PoE switch powers up to 4 cameras without external injectors
- 12TB HDD stores extended footage; ONVIF compatible for any IP camera
$2,743.50 $1,048.99 Save $1,694.51

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Speco Technologies

SKU: N4NRN16TB

Speco N4NRN16TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with 16TB storage and integrated PoE power
- Records 4K (8MP) across all 4 channels simultaneously with H.265 compression
- 16TB SATA storage pre-installed for extended 4K video retention
- Built-in PoE eliminates separate injectors; NDAA compliant for government use
$3,723.80 $1,423.99 Save $2,299.81

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Speco Technologies

SKU: N4NRN2TB

Speco N4NRN2TB 4-Channel 4K NVR PoE+ 2TB

4-channel 4K NVR with integrated PoE+ and 2TB storage
- Records 4 simultaneous 4K streams using H.265 compression
- Built-in PoE+ power injection eliminates separate switch requirement
- 2TB SATA storage with ONVIF compatibility and NDAA compliance
$827.05 $318.99 Save $508.06

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Speco Technologies

SKU: N4NRN4TB

Speco N4NRN4TB 4-Channel 4K H.265 NVR with PoE

4-channel 4K NVR with integrated PoE and H.265 compression
- 4K recording (3840×2160) across 4 channels simultaneously
- H.265 codec reduces storage consumption vs. H.264
- Built-in PoE switching eliminates external injectors; 4TB onboard
$1,141.80 $496.99 Save $644.81

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Speco Technologies

SKU: N4NRN6TB

Speco N4NRN6TB 4-Channel 4K H.265 NVR PoE

4-channel 4K NVR with integrated PoE power and 6TB storage
- Records 4 cameras simultaneously at 4K using H.265 compression
- Built-in PoE++ eliminates need for external power injectors
- 6TB factory-installed drive reduces deployment time and complexity
$1,569.00 $599.99 Save $969.01

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Speco Technologies

SKU: N4NRN8TB

Speco N4NRN8TB 4-Channel 4K H.265 NVR with 8TB

4-channel 4K NVR with 8TB storage and H.265 compression
- Records 4 IP cameras at 4K resolution with H.265 codec
- 8TB internal SATA storage extends recording retention periods
- PoE+ connectivity powers cameras directly; NDAA compliant
$784.20 $756.99 Save $27.21

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Speco Technologies

SKU: N4WNRM10TB

Speco N4WNRM10TB 4-Channel NDAA Wall Mount NVR

4-channel wall-mount NVR with 10TB storage and NDAA compliance
- 4-channel recording with 10TB integrated storage for continuous surveillance
- Wall-mount form factor fits control rooms and facility deployments without racks
- ONVIF-compatible with NDAA-compliant infrastructure for federal deployments
$1,653.25 $911.99 Save $741.26

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Speco Technologies

SKU: N4WNRM12TB

Speco N4WNRM12TB 4-Channel Wall Mount NRM 12TB

4-channel wall-mount recorder with 12TB storage for ONVIF cameras
- Records 4 IP camera streams with H.265/H.264/MJPEG codec support
- 12TB onboard drive for extended retention across multiple resolutions
- ONVIF-compatible with Axis, Hikvision, Dahua, and other major brands
$1,987.15 $1,095.99 Save $891.16

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Speco Technologies

SKU: N4WNRM16TB

Speco N4WNRM16TB 4-Channel Wall Mount NVR 16TB

4-channel wall-mount NVR with 16TB storage, NDAA compliant
- 16TB onboard storage supports extended retention across 4 channels
- Wall-mount design fits confined spaces and control rooms
- ONVIF-compliant architecture works with standard IP cameras and VMS
$2,277.30 $1,255.99 Save $1,021.31

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Speco Technologies

SKU: N4WNRM2TB

Speco N4WNRM2TB 4-Channel NDAA Wall-Mount NVR 2TB

Compact 4-channel wall-mount NVR with 2TB storage, NDAA-certified
- 4-channel recording for ONVIF IP cameras in space-constrained areas
- 2TB built-in storage eliminates external drive setup and maintenance
- Wall-mount design fits control rooms and retrofit installations without rack space
$635.60 $350.99 Save $284.61

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Speco Technologies

SKU: N4WNRM4TB

Speco N4WNRM4TB 4-Channel Wall-Mount NVR 4TB

4-channel wall-mount NVR with 4TB storage for ONVIF IP cameras
- 4TB capacity supports extended recording across 4 IP camera feeds
- Wall-mount design fits tight spaces in control rooms and retail sites
- ONVIF compatibility works with multi-vendor IP camera deployments
$847.35 $467.99 Save $379.36

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Speco Technologies

SKU: N4WNRM6TB

Speco N4WNRM6TB 4-Channel NDAA Wall Mount NVR 6TB

4-channel wall-mount NVR with 6TB storage, NDAA certified
- 4-channel simultaneous recording across ONVIF IP cameras
- 6TB onboard storage for extended local video retention
- NDAA compliance for federal and government procurement
$1,149.05 $633.99 Save $515.06

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Video & Storage

Video and storage systems determine how footage is recorded, managed, retained, and reviewed. Select the right NVRs, recording servers, VMS software, and storage architecture to meet retention targets and performance requirements.

Plan Your Deployment

Camera count, bitrate, and retention target planning
NVR vs server-based recording architecture
Storage type (local drives vs SAN) and scalability
VMS features, licensing, and integration needs
Viewing requirements (workstations, monitors, controls)

Retention Planning Recording Platforms Get Recommendations

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.

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