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Hanwha

SKU: XRN-6420DB4-160TB

Hanwha XRN-6420DB4 64-Channel 8K NVR 160TB

64-channel 8K NVR with 160TB storage for large-scale deployments
- 64 channels at 32MP with 520 Mbps recording bandwidth in distributed mode
- 160TB raw capacity across 16 hot-swap SATA bays with RAID 5/6 protection
- Dual power supply and N+1 failover for mission-critical 24/7 operations
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Hanwha

SKU: XRN-6420DB4-24TB

Hanwha XRN-6420DB4 64-Channel 8K NVR 24TB

64-channel 8K NVR with 24TB storage for large-scale surveillance
- 64 channels at 32MP resolution with H.265 compression @ 15 fps
- 520 Mbps recording bandwidth in RAID 5/6 with hot-swap drive bays
- Expandable to 160TB total with dual HDMI outputs (4K + 1080p)
$12,040.00 $8,388.99 Save $3,651.01

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Hanwha

SKU: XRN-6420DB4-48TB

Hanwha XRN-6420DB4 64-Channel 8K NVR 48TB

64-channel 8K NVR with 48TB storage for large-scale deployments
- 520 Mbps recording bandwidth in distributed mode; supports 32MP cameras
- 48TB preconfigured storage with RAID 5/6 and hot-swap HDD capability
- Dual power supply and N+1 failover for mission-critical operations
$15,760.00 $10,545.99 Save $5,214.01

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Hanwha

SKU: XRN-6420DB4-88TB

Hanwha XRN-6420DB4 64-Channel 8K NVR 88TB

64-channel 8K NVR with 88TB storage and 520 Mbps bandwidth
- 32MP resolution @ 15fps H.265 with 88TB raw capacity across 16 bays
- 520 Mbps distributed recording mode on Intel 12th-gen processor
- RAID 5/6 hot-swap redundancy with N+1 failover for 24/7 uptime
$21,960.00 $14,140.99 Save $7,819.01

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Hanwha

SKU: XRN-6420DB4-96TB

Hanwha XRN-6420DB4 64-Channel 8K NVR 96TB

64-channel 8K NVR with 96TB storage for large-scale deployments
- 32MP recording at 520 Mbps with H.265 codec and RAID 5/6 redundancy
- 96TB capacity across 16 SATA bays with hot-swap and N+1 failover
- 12th-gen Intel processor handles dual-stream recording and 200 Mbps playback
$31,424.00 $14,859.99 Save $16,564.01

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Hanwha

SKU: XRN-6420DB4

Hanwha XRN-6420DB4 64-Channel NVR Recorder

64-channel NVR with 520 Mbps bandwidth and H.265 compression for large-scale surveillance
- 64 IP camera inputs with dual-stream recording and up to 32MP resolution support
- 16 SATA bays (160TB max) with RAID 5/6 redundancy and iSCSI expansion capability
- H.265/H.264/MJPEG compression with 4K local display and dual SMPS power supplies
$14,144.00 $9,213.99 Save $4,930.01

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Hanwha

SKU: XRN-6420DB4-16TB

Hanwha XRN-6420DB4-16TB 64-Channel 8K Network Video Recorder

64-channel 32MP NVR with 16TB base storage and 520 Mbps bandwidth
- All 64 channels record 32MP simultaneously via 12th-gen Intel processor
- 16TB expandable to 160TB across 16 SATA bays for extended retention
- H.265 compression with two-way audio and PoE camera power on all channels
$10,800.00 $7,669.99 Save $3,130.01

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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-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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Rack-Mount NVRs

Enterprise rack-mount NVR appliances for high-channel-count surveillance deployments. 1U through 4U form factors with hot-swap drive bays, RAID support, and redundant power supplies handle hundreds of camera channels with continuous 24/7 recording in data center environments.

Plan Your Deployment

Specify total recording bandwidth from aggregate camera bitrates across all channels
Select RAID level and hot-spare configuration for drive failure protection
Evaluate 1U, 2U, or 4U form factor based on drive bay count and expansion needs
Confirm rack depth, airflow clearance, and power draw for cabinet planning
Plan dual-NIC and failover for network redundancy in mission-critical recording

Plan Server Architecture Storage Calculator

What to Look For When Buying

The decisions that matter most before you spec.

Throughput & Storage Reality Check

Rated camera counts don't guarantee usable performance. Most NVRs fail at their rated channel count because bitrate, codec, and storage write-speed constraints kick in first. Calculate actual bitrate per camera, factor motion-heavy periods, and stress-test before committing to scale.

RAID & Redundancy for 24/7 Operations

Enterprise deployments demand RAID 5 or 6, hot-swap drive bays, and redundant power supplies. Surveillance systems often fail exactly when you need them most — usually at the storage layer. Verify drive mean-time-to-recovery (MTTR) and PSU failover specs before purchase.

Network Backbone & Core Collapse Risk

Rack-mount NVRs pull massive sustained bitstream from the network. Networks collapse at the core when gigabit uplinks become the bottleneck. Plan for redundant 10GbE or teamed 1GbE uplinks, and validate switch fabric throughput—not port count.

Retention Math & Storage Sizing

Retention calculations fail when motion-based bitrate and codec overhead are underestimated. Model worst-case scenarios: all cameras recording at peak quality during peak hours. Undersizing storage by 30% is the industry norm—pad your calculations.

Vendor Ecosystem & Integration Depth

Leading brands like Hikvision, Hanwha, and Axis offer different API maturity, third-party integration breadth, and long-term support pipelines. Verify VMS compatibility, ONVIF compliance, and migration paths before standardizing on a platform.

Thermal & Power Density in Compact Spaces

Rack-mount appliances generate significant heat and power draw. Ensure your data center has adequate cooling capacity, PDU availability, and UPS runtime for graceful shutdown during outages. Verify MTBF ratings and check if warranty covers thermal stress scenarios.

Technology Stack

The specs and acronyms that actually affect rack-mount nvrs performance.

RAID Levels (5, 6, 10)

RAID 5 stripes data across drives with one parity block—good for < 8-drive arrays. RAID 6 uses dual parity and is safer for large capacity drives (6TB+) where rebuild time and URE (unrecoverable read error) risk spike. RAID 10 mirrors + stripes—pricey but fastest recovery.

Hot-Swap Drive Bays

Allows you to pull and replace failed drives without powering down the NVR. Critical for 24/7 operations where downtime costs money. Verify the system auto-detects new drives and auto-rebuilds RAID without operator intervention.

Redundant Power Supplies (RPS)

Two independent PSUs connected to separate electrical circuits. If one PSU fails, the second keeps the system running. Essential for mission-critical surveillance; verify wattage headroom for GPU or transcoding loads, not just baseline.

GPU Acceleration & Transcoding

Dedicated graphics processor offloads real-time video codec conversion (H.264 → H.265, multi-bitrate streaming) from the CPU. Prevents bottlenecks when serving remote clients or running AI analytics on 100+ streams simultaneously.

Gigabit vs. 10 Gigabit Networking

Single gigabit (1 GbE) ports max out around 90–110 Mbps sustained throughput per link. High-channel-count racks need 10GbE uplinks or teamed 1GbE bonds to avoid network saturation during peak recording periods.

Mean Time Between Failure (MTBF) & Warranty

Industry-standard MTBF for rack NVRs ranges 50,000–100,000 hours. Pair this with multi-year hardware warranty and support SLAs. Verify whether warranty covers thermal stress, power anomalies, and extended parts availability—critical for systems expected to run 7+ years.

Typical Deployment Scenarios

Multi-Building Corporate Campus (200 Cameras)

Deploy a Hanwha or Hikvision 4U rack NVR (256-channel capable) in the main data center with 10GbE uplinks. Pair with IP cameras distributed across 8 buildings, use edge NVRs for failover per building. Plan 90 days rolling retention at 4 Mbps average bitrate (~4.3 TB/day per building). Ensure RAID 6 for redundancy and 48-hour MTTR window.

24/7 Airport/Transit Hub (80 Cameras, 90-Day Retention)

Install a 2U or 4U rack NVR with hot-swap drive bays in secure network closet. Size storage for 90 days at 8 Mbps per camera (64 TB+ raw). Use bitrate and motion modeling to avoid undersizing. Implement redundant power (UPS + generator), teamed gigabit uplinks, and RAID 5/6 with spare drive slots pre-installed.

Gaming/Entertainment Venue (120 Cameras, Live Analytics)

GPU-accelerated rack NVR handles real-time H.264/H.265 transcoding and object detection across 120 channels. Use Axis or Speco models with NVIDIA CUDA support. Plan for 14-day retention at high quality (10+ Mbps) plus 60 days low-quality archive. Dual PSUs and redundant 10GbE uplinks non-negotiable due to live event demand.

School District Multi-Campus Deployment (300+ Cameras)

Federated approach: one 4U master rack NVR in district operations center, smaller 1U–2U appliances at each school building. School deployments require synchronized retention, remote management, and off-site backup. Choose i-PRO or Vivotek for native remote replication. Verify bandwidth budgeting across WAN links and failover behavior during connectivity loss.

Frequently Asked Questions

What's the difference between 1U, 2U, and 4U rack-mount NVRs?

Form factor determines physical height, drive bay count, and power budget. 1U = 1.75 inches tall, typically 2–4 drive bays, 8–32 channels. 2U = 3.5 inches, 4–8 bays, 16–64 channels. 4U = 7 inches, 8–16+ bays, 64–256+ channels. Choose based on channel count, retention duration, and available rack space. Larger units allow faster storage, cooler operation, and easier hot-swap workflows.

How do I calculate storage size for my deployment?

Use this formula: (Number of Cameras × Bitrate in Mbps × Retention Days × 86400 seconds) ÷ 8 = Storage in GB. Example: 64 cameras × 4 Mbps × 30 days ÷ 8 = 960 GB (≈1 TB). Add 30% overhead for motion-heavy periods, codec overhead, and RAID parity. Most deployments underestimate bitrate and storage by 30–50%—test your actual cameras before committing.

Do I need RAID 5 or RAID 6 for enterprise surveillance?

For small arrays (< 6 drives) and short rebuild windows, RAID 5 is acceptable. For large-capacity drives (8TB+) and 24/7 continuous write loads, RAID 6 is safer—it tolerates two simultaneous drive failures and reduces URE (unrecoverable read error) risk during rebuild. If uptime is critical, RAID 6 is the standard. Verify your NVR can hot-swap drives without stopping recording.

What network bandwidth do rack-mount NVRs typically require?

At peak load, expect 90–110 Mbps per gigabit (1 GbE) link sustained. For systems with 32+ channels at 4+ Mbps per camera, a single gigabit uplink will saturate. Upgrade to 10 Gigabit Ethernet or team two 1 GbE bonds to avoid core network collapse. Test your actual camera bitrate + VMS client traffic before finalizing uplinks.

Can a rack-mount NVR really handle its rated camera count?

Rarely at full quality or frame rate. Most appliances fail well below rated specifications due to storage write-speed limits, CPU transcoding bottlenecks, or codec overhead. Always de-rate by 20–40% and conduct load testing with your actual camera models and bitrate settings. Verify that the NVR can sustain peak bitrate for 24+ hours without frame drops or dropped connections.

What happens if the NVR's primary drive or power supply fails?

With RAID and redundant PSUs, the NVR keeps recording on the surviving drive(s) while the failed PSU is isolated. Hot-swap drive bays let you replace the bad drive without powering down. Ensure you have spare drives and PSUs on-site or on contract with 4-hour parts delivery. Without RAID, a single drive failure means total data loss—never deploy non-RAID systems in production.

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Rack-Mount NVRs

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