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Hanwha

SKU: XRN-3220RB2-40TB

Hanwha XRN-3220RB2-40TB 32-Channel 8K NVR
- 32-channel 8K NVR with 40TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$10,907.00 $7,104.99 Save $3,802.01

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Hanwha

SKU: XRN-3220RB2-60TB

Hanwha XRN-3220RB2-60TB 8K 32-Channel NVR
- 8K 32-channel NVR with 60TB raw storage across 8 SATA bays
- 20MP+ resolution support with H.265 compression
- ONVIF and SUNAPI for open ecosystem VMS integration
$14,007.00 $9,124.99 Save $4,882.01

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Hanwha

SKU: XRN-3220RB2-64TB

Hanwha XRN-3220RB2-64TB 32-Channel 8K NVR
- 32-channel 8K NVR with 64TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$14,627.00 $9,528.99 Save $5,098.01

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Hanwha

SKU: XRN-420S

Hanwha XRN-420S 4CH Compact NVR

4-channel 8MP NVR with H.265 compression and 6TB storage for compact installs
- Records up to 4 cameras at 8MP with H.265/H.264/MJPEG at 50 Mbps bandwidth
- Single 6TB SATA slot with dual display outputs (HDMI 4K + VGA 1080p)
- Multi-screen layouts, event-driven recording, and 32 Mbps playback for 4 local users
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Hanwha

SKU: XRN-420S-2TB

Hanwha XRN-420S-2TB 4-Channel 8MP NVR

4-channel 8MP NVR with integrated PoE+ and H.265 compression
- Records 4 cameras at 8MP resolution with H.265 codec for efficient storage
- Built-in 4-port PoE+ injector with 50W budget eliminates external power gear
- Supports up to 6TB local storage plus AI Search and motion detection analytics
$947.00 $616.99 Save $330.01

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Hanwha

SKU: XRN-420S-4TB

Hanwha XRN-420S-4TB 4-Channel 8MP Network Video Recorder

4-channel 8MP NVR with PoE+ power and H.265 compression
- Records all 4 channels at full 8MP (3840×2160) 30fps simultaneously
- H.265 codec cuts storage/bandwidth ~40-50% versus H.264
- Built-in PoE+ delivers power to four cameras; Wisenet AI search
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$1,307.00 $978.99 Save $328.01

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Hanwha

SKU: XRN-420S-6TB

Hanwha XRN-420S-6TB 4CH Network Video Recorder

4CH 8MP NVR with integrated PoE+ and 6TB storage for small deployments
- 4 channels @ 8MP, 30fps with H.265 compression and dual HDMI/VGA output
- 50W integrated PoE+ power budget eliminates external injectors and reduces cabling
- 6TB HDD + microSD expansion with native Wisenet AI object search integration
$1,667.00 $1,085.99 Save $581.01

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Hanwha

SKU: XRN-426S-1T

Hanwha XRN-426S-1T 4-Channel NVR Recorder

4-channel PoE+ NVR with 8MP recording and 1TB onboard storage
- Records 4 cameras at 8MP @ 30 fps using H.265 compression
- Integrated PoE+ ports power and connect cameras without external injectors
- Two-way audio and microSD slot for flexible local storage options
$1,245.00 $811.99 Save $433.01

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Hanwha

SKU: XRN-6420B2

Hanwha XRN-6420B2 64CH 8K NVR
- 64-channel 8K NVR for large-scale surveillance
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$4,174.00 $2,718.99 Save $1,455.01

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Hanwha

SKU: XRN-6420B2-10TB

Hanwha XRN-6420B2-10TB 8K NVR 64-Channel
- 64-channel 8K NVR with 10TB pre-installed storage
- Intel architecture with H.265 efficient compression
- Two-way audio with ONVIF VMS compatibility
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$5,724.00 $3,728.99 Save $1,995.01

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Hanwha

SKU: XRN-6420B2-16TB

Hanwha XRN-6420B2-16TB 8K 64-Channel NVR
- 8K 64-channel NVR with H.265 efficient compression
- Supports 32MP camera capture with onboard analytics
- Embedded Linux + ONVIF integration with major VMS
$6,654.00 $4,334.99 Save $2,319.01

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Hanwha

SKU: XRN-6420B2-20TB

Hanwha XRN-6420B2-20TB 8K 64-Channel NVR
- 64-channel 8K NVR with 20TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
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$7,274.00 $4,738.99 Save $2,535.01

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Hanwha

SKU: XRN-6420B2-32TB

Hanwha XRN-6420B2-32TB 8K 64-Channel NVR
- 64-channel 8K NVR with 32TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$9,134.00 $5,949.99 Save $3,184.01

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Hanwha

SKU: XRN-6420B2-40TB

Hanwha XRN-6420B2-40TB 8K NVR, 64-Channel
- 64-channel 8K NVR with 40TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$10,374.00 $6,757.99 Save $3,616.01

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Hanwha

SKU: XRN-6420B2-48TB

Hanwha XRN-6420B2-48TB 64-Channel 8K NVR
- 64-channel 8K NVR with 48TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$11,614.00 $7,565.99 Save $4,048.01

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Hanwha

SKU: XRN-6420B2-60TB

Hanwha XRN-6420B2-60TB 8K NVR 64-Channel
- 64-channel 8K NVR with 60TB storage across 8 HDD slots
- Up to 80TB total with H.265 compression
- Triple Gigabit Ethernet with LAN/WAN separation
$13,474.00 $8,777.99 Save $4,696.01

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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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