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Speco Technologies

SKU: N32NRN16TB

Speco Technologies N32NRN16TB 32-Channel 4K H.265 NVR

32-channel 4K NVR with 16TB storage and H.265 compression
- Records 32 IP cameras simultaneously at 4K (3840×2160) resolution
- H.265 compression reduces file sizes ~50% vs. H.264 encoding
- 16TB factory-installed HDD with dual gigabit Ethernet redundancy
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Speco Technologies

SKU: N32NRN20TB

Speco Technologies N32NRN20TB 32-Channel 4K H.265 NVR with 20TB Storage

32-channel 4K NVR with 20TB storage and H.265 compression
- Records all 32 IP cameras simultaneously at 4K (8MP) resolution
- H.265 codec cuts storage needs roughly in half versus H.264
- 20TB built-in storage supports 7–14 days retention at standard rates
$4,609.85 $2,542.99 Save $2,066.86

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Speco Technologies

SKU: N32NRN24TB

Speco Technologies N32NRN24TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 24TB storage and H.265 compression, NDAA compliant
- Records all 32 channels simultaneously at 4K UHD with H.265 codec
- 24TB internal drive supports extended retention for forensic workflows
- NDAA compliant for government and federal procurement qualification
$4,798.70 $2,646.99 Save $2,151.71

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Speco Technologies

SKU: N32NRN2TB

Speco Technologies N32NRN2TB 32 Channel 4K H.265 NVR - NDAA Compl

32-channel 4K NVR with H.265 compression and 2TB storage, NDAA compliant
- Records 32 IP cameras simultaneously in 4K UHD with H.265 codec
- 2TB onboard drive supports extended retention across all 32 channels
- Works with ONVIF-compatible cameras from multiple vendors
$1,793.75 $989.99 Save $803.76

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Speco Technologies

SKU: N32NRN32TB

Speco Technologies N32NRN32TB 32-Channel 4K NVR with 32TB Storage

32-channel 4K NVR with 32TB storage for enterprise surveillance
- 32 simultaneous 4K (3840×2160) channels with H.265 compression
- 32TB integrated HDD stores weeks of 24/7 footage without external NAS
- NDAA Section 889 compliant for federal and defense contractor deployments
$5,924.80 $3,267.99 Save $2,656.81

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Speco Technologies

SKU: N32NRN40TB

Speco Technologies N32NRN40TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 40TB storage and H.265 compression
- Records all 32 channels simultaneously at 4K resolution without frame loss
- H.265 codec reduces file sizes by up to 50% vs H.264 for extended retention
- 40TB onboard storage eliminates external NAS configuration for most deployments
$7,076.15 $3,902.99 Save $3,173.16

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Speco Technologies

SKU: N32NRN48TB

Speco Technologies N32NRN48TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 48TB storage and H.265 compression
- Records 32 IP cameras simultaneously at 4K UHD resolution
- 48TB integrated HDD for extended multi-week retention cycles
- H.265 codec cuts bandwidth and storage needs by ~50% vs H.264
$8,132.95 $4,485.99 Save $3,646.96

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Speco Technologies

SKU: N32NRN4TB

Speco Technologies N32NRN4TB 32-Channel 4K H.265 NVR

32-channel 4K NVR with H.265 compression and 4TB storage
- Records 32 IP cameras simultaneously at 4K (3840×2160) resolution
- H.265 codec reduces storage demand by 40–50% vs. H.264
- 4TB integrated drive with NAS expansion; NDAA Section 889 compliant
$2,000.95 $1,103.99 Save $896.96

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Speco Technologies

SKU: N32NRN60TB

Speco Technologies N32NRN60TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 60TB storage and H.265 compression
- 32 channels at 4K resolution with H.265 codec reduces file size ~50%
- 60TB internal storage for extended retention on large-scale deployments
- NDAA compliant for regulated security and defense environments
$10,693.55 $5,897.99 Save $4,795.56

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Speco Technologies

SKU: N32NRN64TB

Speco Technologies N32NRN64TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 64TB storage and H.265 compression, NDAA compliant
- Record all 32 channels in 4K simultaneously with H.265 codec reducing file sizes by 50%
- 64TB internal drive array supports extended retention across full 32-channel deployments
- NDAA compliant for government and critical infrastructure security installations
$11,117.25 $6,130.99 Save $4,986.26

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Speco Technologies

SKU: N32NRN6TB

Speco Technologies N32NRN6TB 32-Channel 4K H.265 NVR

32-channel 4K NVR with H.265 compression and 6TB storage
- Records 32 IP cameras simultaneously at HD to 4K (8MP) resolution
- H.265 codec reduces storage needs 40–60% vs. H.264 compression
- 6TB built-in HDD supports 30–90 days retention at mixed resolution
$2,275.00 $1,254.99 Save $1,020.01

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Speco Technologies

SKU: N32NRN80TB

Speco Technologies N32NRN80TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 80TB storage and H.265 codec, NDAA compliant
- Records all 32 channels at native 4K resolution simultaneously
- 80TB internal storage supports extended retention for large deployments
- H.265 compression reduces bandwidth and storage by up to 50% vs H.264
$12,816.50 $7,067.99 Save $5,748.51

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Speco Technologies

SKU: N32NRN8TB

Speco Technologies N32NRN8TB 32 Channel 4K H.265 NVR - NDAA Compl

32-channel 4K NVR with 8TB storage and NDAA compliance
- Records 32 concurrent IP cameras at 4K resolution with H.265 compression
- 8TB factory-installed storage eliminates on-site drive setup and delays
- NDAA compliant for federal procurement; supports ONVIF multi-manufacturer cameras
$2,553.60 $1,408.99 Save $1,144.61

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Speco Technologies

SKU: N32NRN96TB

Speco Technologies N32NRN96TB 32 Channel 4K H.265 NVR - NDAA Comp

32-channel 4K NVR with 96TB storage and integrated PoE+ ports
- 32 simultaneous 4K channels with H.265 compression for efficient storage
- 96TB built-in capacity supports extended retention across all channels
- Integrated PoE+ ports consolidate power and video on single chassis
$15,188.25 $8,375.99 Save $6,812.26

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Speco Technologies

SKU: N32NS4TB

Speco Technologies N32NS4TB 32 Channel 4K Network Server - 4TB

32-channel 4K NVR with 4TB storage and H.265 compression
- Records 32 IP cameras simultaneously at 4K resolution on single server
- 4TB built-in storage eliminates need for external NAS or SAN systems
- H.265 codec reduces bandwidth and storage demands vs. H.264
$2,464.00 $951.99 Save $1,512.01

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Speco Technologies

SKU: N32NS6TB

Speco Technologies N32NS6TB 32 Channel 4k Network Server 6TB

32-channel 4K NVR with 6TB storage for mixed-brand IP cameras
- Records 32 IP cameras simultaneously at 4K resolution with H.265/H.264
- 6TB internal HDD for extended retention on continuous or event recording
- ONVIF-compliant architecture works with any brand camera, PoE + Wi-Fi ready
$2,793.00 $1,078.99 Save $1,714.01

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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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