NVR Hard Drives & Storage Solutions | Surveillance-Grade Drives

Plan Your Deployment

Retention targets and required storage capacity
Surveillance-grade drive workload and duty cycle needs
RAID level selection and redundancy planning
Compatibility with your NVR platform and bays
Replacement strategy and lifecycle management

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ACTi

SKU: PHDD-2M00

Acti PHDD-2M00 WD Ultrastar 24TB 3.5" Hard Disk Drive

24TB surveillance drive for continuous NVR recording in rack systems
- 24TB capacity supports extended retention on Acti NVR and surveillance NAS
- 3.5" SATA interface with PoE power for standard networked storage setup
- Purpose-built for sustained 24/7 operation in medium to large deployments
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$5,786.99 $5,534.99 Save $252.00

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ACTi

SKU: PHDD-3C11

Acti PHDD-3C11 mSATA 128GB System Drive with Windows 10

128GB mSATA drive with Windows 10 for Acti GNR-330 NVR systems
- Pre-installed Windows 10 and NVR software for immediate deployment
- 128GB mSATA SSD storage for rapid system performance
- PoE (802.3af) powered—no separate power infrastructure needed
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$1,258.99 $1,204.99 Save $54.00

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ACTi

SKU: PHDD-3C13

Acti PHDD-3C13 System Drive Upgrade

128GB mSATA SSD upgrade for ACTi INR-340 NVR systems
- Pre-loaded Windows 10 and ACTi NVR software eliminates on-site setup
- mSATA form factor with PoE power for efficient surveillance deployments
- Faster boot times and reliable storage for 2MP recording operations
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$1,011.99 $967.99 Save $44.00

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Axis

SKU: 02365-021

Axis 02365-021 512GB Surveillance Card 10-Pack

512GB microSD surveillance cards, 10-pack for Axis cameras
- 512GB per card supports extended continuous video recording on edge storage
- Purpose-built for Axis network cameras and VMS integration
- Bulk 10-pack format reduces per-card cost across multi-camera deployments
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$1,827.99

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Axis

SKU: 03317-001

Axis 03317-001 Enterprise Hard Drive 12TB

12TB enterprise hard drive for continuous NVR surveillance recording
- 12TB capacity supports extended retention cycles in 24/7 recording systems
- Enterprise-grade design optimized for network video recorder integration
- Rack-mount form factor fits standard surveillance infrastructure deployments
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$849.00 $837.99 Save $11.01

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Geovision

SKU: 391-HD18TB-000

Geovision 391-HD18TB-000 Hard Drive Storage Module

18TB expansion module for Geovision NVR systems
- 18TB capacity integrates directly into NVR drive bays
- Extends recording duration for long-term surveillance retention
- Compatible with Geovision NVR platforms via standard installation
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$583.99 $563.99 Save $20.00

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Geovision

SKU: 391-HDD2TB-000

Geovision 391-HDD2TB-000 2TB Hard Drive Storage

2TB expansion drive for Geovision DVR, NVR, and hybrid recorders
- 2TB storage capacity for extended video retention and archive needs
- Direct compatibility with Geovision DVR, NVR, and hybrid recorder systems
- Hard drive bay mount form factor for straightforward installation
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$111.99 $106.99 Save $5.00

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Geovision

SKU: 391-HDD8TB-000

Geovision 391-HDD8TB-000 8TB Hard Drive

8TB surveillance hard drive for 24/7 NVR/DVR continuous recording
- 8TB capacity supports extended multi-camera video retention
- 3.5-inch SATA form factor integrates into standard NVR/DVR systems
- Built for 24/7 continuous-duty surveillance workloads
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$310.99 $304.99 Save $6.00

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Geovision

SKU: 72-HD10TB-001

Geovision 72-HD10TB-001 10TB Surveillance Hard Drive

10TB surveillance drive built for 24/7 DVR/NVR recording
- 10TB capacity supports extended multi-camera retention on SATA II
- Optimized for continuous recording in DVR and NVR systems
- Direct integration into standard surveillance storage bays
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$448.99 $376.99 Save $72.00

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Geovision

SKU: 72-HD12TB-001

Geovision 72-HD12TB-001 12TB Surveillance Hard Drive

12TB surveillance HDD for 24/7 DVR/NVR recording
- 12TB capacity sustains continuous recording across multi-camera systems
- SATA II interface compatible with standard DVR/NVR platforms
- Surveillance-grade design optimized for round-the-clock operation
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$402.99 $394.99 Save $8.00

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Geovision

SKU: 72-HD14TB-001

Geovision 72-HD14TB-001 14TB Surveillance Hard Drive

14TB surveillance drive for 24/7 DVR/NVR continuous recording
- 14TB capacity supports extended video retention across multi-camera systems
- Surveillance-grade SATA II HDD engineered for continuous duty cycles
- Compatible with Geovision DVR/NVR systems and standard surveillance platforms
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$429.99 $421.99 Save $8.00

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Geovision

SKU: 72-HD18TB-001

Geovision 72-HD18TB-001 18TB Surveillance Hard Drive

18TB surveillance drive for 24/7 NVR/DVR recording deployments
- 18TB capacity sustains multi-camera installations with extended retention
- SATA II interface compatible with legacy and current NVR/DVR systems
- Surveillance-grade design handles continuous recording workloads without degradation
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$684.99 $670.99 Save $14.00

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Geovision

SKU: 72-HD6TB-001

Geovision 72-HD6TB-001 6TB Surveillance Hard Drive

6TB surveillance drive for 24/7 NVR/DVR recording on SATA II systems
- 6TB capacity handles extended multi-camera recording retention
- Surveillance-grade firmware tuned for continuous 24/7 operation
- SATA II interface compatible with Geovision and ONVIF systems
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$310.99 $304.99 Save $6.00

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Geovision

SKU: 72-HD8TB-001

Geovision 72-HD8TB-001 8TB Surveillance Hard Drive

8TB surveillance drive for 24/7 DVR/NVR recording without frequent replacement
- 8TB capacity extends recording retention across multi-camera systems with single drive
- Surveillance-grade design handles continuous 24/7 operation in DVR and NVR platforms
- SATA II interface compatible with legacy and current DVR/NVR equipment
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$319.99 $312.99 Save $7.00

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Geovision

SKU: GV-HDD

Geovision GV-HDD 2TB Surveillance Hard Drive

2TB surveillance drive for 24/7 DVR/NVR recording
- 2TB capacity supports extended video retention across multiple cameras
- SATA II interface integrates with existing DVR/NVR systems
- Surveillance-grade design optimized for continuous recording environments
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$97.99 $95.99 Save $2.00

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Geovision

SKU: GV-HDD-72

Geovision GV-HDD 4TB Surveillance Hard Drive

4TB surveillance drive rated for 24/7 continuous DVR/NVR recording
- 4TB capacity supports multi-week retention across multi-camera systems
- SATA II interface integrates with Geovision DVRs and standard NVR systems
- Surveillance-grade design handles sustained write cycles without thermal stress
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$133.99 $130.99 Save $3.00

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What to Look For When Buying

The decisions that matter most before you spec.

Retention Math & Capacity Sizing

Retention depends on camera bitrate, frame rate, and motion detection settings—not just drive capacity. A common mistake is underestimating write throughput: bitrate and motion storage traps cause premature drive failure or inadequate archival. Calculate expected daily footage volume and multiply by your retention window (7–90 days typical) before selecting drive size.

Surveillance-Grade vs. Consumer Drives

Consumer SATA drives fail under continuous NVR write workloads due to thermal stress and firmware optimized for bursty access. Surveillance drives use higher MTBF ratings (mean time between failure), optimized firmware for streaming, and passive cooling designed for 24/7 operation in enclosed NVR chassis. The cost difference is small; failure in production costs far more.

Throughput Bottlenecks at Scale

Storage throughput is the silent killer of large systems. NVR controllers have finite I/O bandwidth; adding more drives doesn't proportionally increase write speed if the interface is saturated. Multi-camera, high-bitrate deployments require redundant storage controllers or NAS appliances with adequate aggregate bandwidth.

RAID & Redundancy Strategy

Single-drive NVRs lose footage when a drive fails. RAID 5 (parity across 3+ drives) protects against single-drive loss; RAID 6 protects against two simultaneous failures. However, RAID rebuild times are lengthy—use hot-spares and monitor drive health with S.M.A.R.T. alerts. For mission-critical systems, redundant storage architecture prevents data loss during critical incidents.

Form Factor & NVR Compatibility

NVRs accept 3.5" SATA, 2.5" SATA, or M.2 NVMe depending on design. Network video recorders vary widely in internal bay count and acceptable drive heights. Verify drive model compatibility with your NVR OEM before purchase; some vendors restrict third-party drives or require firmware updates.

Thermal & Environmental Constraints

Drives in sealed NVR chassis experience ambient temperatures 10–15°C above room conditions. Check drive operating range (typically 0–60°C); undersized cooling or outdoor installations require temperature monitoring. Vibration from adjacent drives and fans accelerates wear—mechanical isolation and firmware thermal throttling are critical in dense storage arrays.

Technology Stack

The specs and acronyms that actually affect nvr hard drives & storage performance.

MTBF (Mean Time Between Failure)

Manufacturer-rated expected hours until a drive fails under normal use. Surveillance drives typically claim 1M+ MTBF; consumer drives 300K–600K. MTBF is statistical, not guaranteed—monitor actual failure rates in your fleet and replace aging drives proactively.

Write Throughput & IOPS

Measured in MB/s for sequential writes and I/O operations per second for random access. NVR storage requires sustained write throughput; a drive rated 200 MB/s sustained must deliver that under continuous 24/7 load, not peak conditions. RAID arrays and multi-drive systems must aggregate throughput across all drives.

Workload Rating (Annualized Workload Volume)

Specified in TB written per year; surveillance drives handle 550 TB/year or higher. This differs from consumer/desktop drives (180–300 TB/year) and reflects the continuous streaming nature of video recording. Exceeding this rating voids warranties and shortens drive lifespan.

RAID Levels (5, 6, 10)

RAID 5 distributes parity across 3+ drives, tolerating one failure. RAID 6 uses dual parity for two-drive fault tolerance. RAID 10 mirrors drives and stripes across pairs (minimum 4 drives, highest cost but fastest). Choice depends on recovery time tolerance and available budget; larger NVR deployments favor RAID 6.

RPM & Seek Time

3.5" drives typically run 5,400–7,200 RPM; 2.5" drives 5,400 RPM. Lower RPM reduces heat and power but increases access latency. For streaming video, RPM matters less than sustained throughput; seek time affects random playback performance. SSD/NVMe eliminates these mechanical limitations entirely.

S.M.A.R.T. Monitoring

Self-Monitoring, Analysis and Reporting Technology provides real-time health metrics: temperature, reallocated sector count, and power-on hours. Integration with video management software or NVR firmware enables predictive alerts before failure, allowing proactive drive replacement.

Typical Deployment Scenarios

Small Multi-Site Installation (8 cameras, 30-day retention)

A 16-camera two-location deployment with Hikvision or ACTi NVRs requires approximately 8–12 TB per site depending on resolution and bitrate. Use two 6–8 TB surveillance-grade 3.5" SATA drives in each NVR (one active, one hot-spare) to avoid data loss. Monitor retention consistency across locations.

Mid-Market Campus (48 cameras, 90-day retention, RAID 5)

A K-12 school or retail chain spanning 3–4 buildings needs centralized NAS storage: 48 TB–72 TB raw capacity to achieve 90-day retention at 2–4 Mbps average bitrate. Deploy a RAID 5 array with 6× 12 TB surveillance drives plus one hot-spare. This protects against single-drive failure during school surveillance deployments. Pair with redundant NVRs for failover.

Enterprise Data Center (200+ cameras, 180-day retention, RAID 6)

Large corporate or transportation hub deployments require RAID 6 arrays: 200+ TB usable capacity with dual-parity protection. Use 8–12 drives per array, distributed across multiple controllers to avoid core network collapse. Integrate with VMS software for tiered storage (hot SSD cache + archive HDD pool).

Edge Recording & Failover (4K multi-stream NVR buffering)

High-bandwidth 4K NVRs require low-latency SSD storage for edge buffering to prevent NVR throughput starvation. Add 2–4 TB NVMe or SSD as temporary write cache, synced asynchronously to larger RAID HDD array. This decouples camera ingest from long-term storage I/O contention.

Frequently Asked Questions

What's the difference between surveillance drives and regular hard drives?

Surveillance drives are engineered for 24/7 continuous streaming with higher annualized workload ratings (550+ TB/year vs. 180 TB/year), optimized firmware that prioritizes streaming over random access, and thermal design suited for warm NVR chassis. They cost 10–20% more but survive years of NVR duty; consumer drives typically fail within 12–24 months in the same role.

How do I calculate how much storage I need?

Multiply: (number of cameras) × (average bitrate in MB/s) × (86,400 seconds/day) × (retention days) ÷ 1,000 = storage in GB. Example: 16 cameras, 2 MB/s each, 30 days = 16 × 2 × 86,400 × 30 ÷ 1,000 = 83 TB. Always add 20% overhead for RAID parity and system files. See retention math for IP cameras for motion-based adjustments.

Should I use RAID 5 or RAID 6 for my NVR storage?

RAID 5 (one-drive fault tolerance) is standard for 4–6 drive arrays in small-to-medium deployments. RAID 6 (two-drive tolerance) is essential for larger arrays (8+ drives) or long retention windows because rebuild time after a single-drive failure is lengthy—a second failure during rebuild causes total data loss. For critical systems, always use RAID 6 with hot-spares.

Can I mix different drive models or capacities in an NVR?

Most modern NVRs support mixed drives, but this is not recommended. Different models may have different thermal profiles, firmware quirks, or failure characteristics, complicating diagnostics. If using RAID, all drives should be identical model and capacity for predictable rebuild times and failure patterns. Always verify your NVR documentation.

What does S.M.A.R.T. monitoring tell me, and how often should I check it?

S.M.A.R.T. reports temperature, reallocated sectors, power-on hours, and spin-up time. A sudden spike in reallocated sectors or rising temperature signals imminent failure. Most VMS platforms and NVR firmware support automated S.M.A.R.T. alerts via email or syslog—configure daily health checks. Manual checks via command line are sufficient for small deployments, but automation is critical at scale.

Why do NVRs sometimes show lower usable storage than the drive's rated capacity?

Drives are sold in decimal (1 TB = 1,000 GB) but formatted in binary (1 TiB = 1,024 GiB). Additionally, NVR firmware reserves space for system files, metadata, and write-ahead logs. A nominal 8 TB drive typically yields 7.2–7.5 TB usable in an NVR. RAID overhead further reduces usable capacity: a RAID 5 array with 6× 8 TB drives yields roughly 40 TB usable (not 48 TB). Factor this into capacity planning.

NVR Hard Drives & Storage

Plan Your Deployment

Showing Results for NVR Hard Drives & Storage

Acti PHDD-2M00 WD Ultrastar 24TB 3.5" Hard Disk Drive

Acti PHDD-3C11 mSATA 128GB System Drive with Windows 10

Acti PHDD-3C13 System Drive Upgrade

Axis 02365-021 512GB Surveillance Card 10-Pack

Axis 03317-001 Enterprise Hard Drive 12TB

Geovision 391-HD18TB-000 Hard Drive Storage Module

Geovision 391-HDD2TB-000 2TB Hard Drive Storage

Geovision 391-HDD8TB-000 8TB Hard Drive

Geovision 72-HD10TB-001 10TB Surveillance Hard Drive

Geovision 72-HD12TB-001 12TB Surveillance Hard Drive

Geovision 72-HD14TB-001 14TB Surveillance Hard Drive

Geovision 72-HD18TB-001 18TB Surveillance Hard Drive

Geovision 72-HD6TB-001 6TB Surveillance Hard Drive

Geovision 72-HD8TB-001 8TB Surveillance Hard Drive

Geovision GV-HDD 2TB Surveillance Hard Drive

Geovision GV-HDD 4TB Surveillance Hard Drive

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