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Hanwha

SKU: XRN-6420DB4-20TB

Hanwha XRN-6420DB4-20TB 64 Channel NVR
- 64-channel NVR with 20TB pre-installed storage
- Supports 20MP+ capture with H.265 efficient compression
- Enterprise-grade processing for large-scale deployments
$11,420.00 $7,439.99 Save $3,980.01

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Hanwha

SKU: XRN-6420DB4-32TB

Hanwha XRN-6420DB4-32TB 64-Channel 8K NVR 32TB Storage

64-channel 32MP NVR with 32TB storage and Intel processor for 24/7 recording
- 520 Mbps distributed bandwidth sustains full 32MP capture across all 64 channels simultaneously
- H.265 compression reduces file size 40–60% vs. H.264 while maintaining H.264 and MJPEG compatibility
- 32TB standard storage expands to 160TB across 16 SATA bays for extended forensic retention
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Hanwha

SKU: XRN-6420DB4-40TB

Hanwha XRN-6420DB4-40TB 64CH NVR
- 64-channel NVR with 40TB pre-installed storage
- Supports 32MP capture with H.265 compression
- Embedded Linux with onboard analytics and ONVIF
$14,520.00 $9,458.99 Save $5,061.01

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Hanwha

SKU: XRN-6420DB4-56TB

Hanwha XRN-6420DB4-56TB 64 Channel NVR
- 64-channel NVR with 56TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$24,224.00 $15,780.99 Save $8,443.01

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Hanwha

SKU: XRN-6420DB4-80TB

Hanwha XRN-6420DB4-80TB 64 Channel NVR
- 64-channel NVR with 80TB pre-installed storage
- Supports 32MP capture with H.265 efficient compression
- Embedded Linux with onboard analytics and ONVIF support
$20,720.00 $13,497.99 Save $7,222.01

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Hanwha

SKU: XRN-6420RB2-20TB

Hanwha XRN-6420RB2 64-Channel 8K Intel NVR 20TB

64-channel 8K NVR with 20TB storage and 520 Mbps bandwidth
- 64-channel input supports up to 32MP recording with H.265 compression
- 20TB pre-installed storage expandable to 80TB across eight SATA bays
- 520 Mbps recording bandwidth in distributed mode with RAID 5/6 redundancy
$8,554.00 $5,116.99 Save $3,437.01

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Hanwha

SKU: XRN-6420RB2-8TB

Hanwha XRN-6420RB2 64-Channel 8K Intel NVR 8TB

64-channel 8K NVR with 8TB storage and 520 Mbps bandwidth
- Records 64 channels simultaneously at up to 32MP with H.265 compression
- 8TB included storage expandable to 80TB; RAID 5/6 with N+1 failover backup
- Dual HDMI outputs (4K 30Hz + 1080p 60Hz) with dual-stream recording support
$6,694.00 $4,178.99 Save $2,515.01

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Hanwha

SKU: XRN-6420RB2

Hanwha XRN-6420RB2 64-Channel 8K Network Video Recorder

64-channel 8K NVR with 32 MP native support across all channels
- Record all 64 channels at 32 MP, 15 fps using H.265 compression
- 520 Mbps sustained bandwidth handles high-res streams without transcoding
- Up to 80 TB storage with RAID 5/6 redundancy for continuous recording
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Hanwha

SKU: XRN-6420RB2-10TB

Hanwha XRN-6420RB2 64-Channel 8K NVR 10TB

64-channel 8K NVR with 10TB storage and 520 Mbps bandwidth
- Records up to 32MP across 64 channels with H.265 compression
- Expandable to 80TB across 8 drives with RAID 5/6 protection
- Dual HDMI outputs (4K @ 30Hz + 1080p @ 60Hz) for multi-display setups
$7,004.00 $4,334.99 Save $2,669.01

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Hanwha

SKU: XRN-6420RB2-16TB

Hanwha XRN-6420RB2 64-Channel 8K NVR 16TB

64-channel 8K NVR with 16TB storage and 520 Mbps recording bandwidth
- Records 64 channels at 32MP with H.265 compression and dual-stream support
- 16TB storage expandable to 80TB across 8 SATA bays with RAID 5/6 protection
- Dual HDMI outputs (4K @ 30Hz + 1080p @ 60Hz) with N+1 redundancy failover
$7,934.00 $4,803.99 Save $3,130.01

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Hanwha

SKU: XRN-6420RB2-40TB

Hanwha XRN-6420RB2 64-Channel 8K NVR 40TB

64-channel 8K NVR with 40TB storage for enterprise surveillance
- 32MP resolution support with 520 Mbps distributed bandwidth
- 40TB expandable to 80TB with RAID 5/6 and N+1 failover
- 12th gen Intel processor, H.265/H.264 compression, dual 4K HDMI
$11,654.00 $6,679.99 Save $4,974.01

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Hanwha

SKU: XRN-6420RB2-48TB

Hanwha XRN-6420RB2 64-Channel 8K NVR 48TB

64-channel 8K NVR with 48TB storage for enterprise surveillance
- 64 channels at 32MP with 520 Mbps bandwidth and H.265 compression
- 48TB pre-configured storage expandable to 80TB with RAID 5/6 redundancy
- Intel 12th gen processor with dual HDMI outputs and two-way audio
$12,894.00 $7,304.99 Save $5,589.01

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Hanwha

SKU: XRN-6420RB2-60TB

Hanwha XRN-6420RB2 64-Channel 8K NVR 60TB

64-channel 8K NVR with 60TB storage and 520 Mbps recording bandwidth
- Supports up to 32MP resolution with 8K-ready architecture for large deployments
- 520 Mbps recording bandwidth across distributed and RAID modes with 200 Mbps playback
- 60TB raw storage pre-installed; H.265, H.264, MJPEG codec support for multi-vendor cameras
$14,754.00 $8,242.99 Save $6,511.01

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Hanwha

SKU: XRN-6420RB2-80TB

Hanwha XRN-6420RB2 64-Channel 8K NVR 80TB

64-channel 8K NVR with 80TB storage for large-scale surveillance
- 32MP max resolution across all 64 channels with H.265 dual-stream
- 520 Mbps recording bandwidth and 80TB raw capacity across 8 bays
- RAID 5/6 protection with N+1 failover redundancy and two-way audio
$17,854.00 $9,806.99 Save $8,047.01

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Hanwha

SKU: XRN-6420RB2-64TB

Hanwha XRN-6420RB2 64TB 8K Intel NVR

64-channel 8K Intel NVR with 64TB storage for large-scale deployments
- Records 32MP @ 15fps or 12MP @ 30fps H.265 across 64 channels
- 64TB expandable to 80TB with RAID 5/6, N+1 failover, auto recovery
- Dual HDMI outputs (4K @ 30Hz + 1080p @ 60Hz) with two-way audio
$15,374.00 $8,555.99 Save $6,818.01

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Hanwha

SKU: XRN-6420RB2-32TB

Hanwha XRN-6420RB2-32TB 64-Channel 8K NVR 32TB

64-channel 32MP NVR with 32TB storage and Intel 12th-gen processor
- Records all 64 channels at 32MP simultaneously with H.265 compression
- 520 Mbps throughput sustained in RAID and normal modes for reliability
- 32TB factory-installed, expandable to 80TB across eight internal bays
$10,414.00 $6,054.99 Save $4,359.01

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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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