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Silver 3.5 inch bare hard drive with circuit board visible

Western Digital

Western Digital WD102PURZ 10TB 7200 RPM 256MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-ZFM2-3A5R9

A 10 TB surveillance hard drive with 7200 RPM, 256 MB cache, AllFrame technology and support for up to 64 cameras and 16 AI channels

  • Total capacity10 TB
  • Interface typeSATA 6.0Gb/s
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • Key featuresCapacity up to 14 TB Support for up to 64 cameras per drive
  • Optimised for 24/7 surveillance workloads with up to 64 cameras supported
  • AllFrame technology reduces frame loss for smoother video playback
  • Up to 16 AI channels enable Deep Learning analytics on NVRs
  • 7200 RPM and 256 MB cache deliver 265 MB/s sustained throughput
  • 5 million hour MTBF rating ensures long-term reliability

10 TB Surveillance Drive for 24/7 Recording

The Western Digital WD102PURZ is a 3.5-inch SATA hard drive built for continuous video surveillance workloads. It stores 10 TB of footage at 7200 RPM with a 256 MB cache and supports up to 64 cameras per drive.

Thermals Noise and Power in Normal Use

Designed for always-on operation, the drive carries an MTBF of up to 1.5 million hours. AllFrame technology reduces frame loss and improves playback smoothness across multiple simultaneous streams.

Upgrade Path and When the Jump Is Worth It

The 10 TB capacity suits systems moving up from smaller surveillance drives or adding AI analytics. Models at 12 TB and 14 TB enable up to 16 AI channels for Deep Learning analytics on compatible NVRs. Not suited for general desktop storage or workloads outside video surveillance.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $438.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 10 TB
Higher than about 85% of the 2,372 comparable items (median 2 TB).
Price per TB $43.90 per TB
Cheaper than about 66% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWestern Digital
Product linePurple
Model nameWD102PURZ
Total capacity10 TB
Recommended useFor Video Surveillance
Performance
Rotational speed7,200 RPM
Storage
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s

Questions about this item

How do I install this 3.5-inch SATA 6.0Gb/s drive and what step is often missed?

Mount it in a 3.5-inch bay, connect the SATA data cable to the motherboard and the SATA power cable from the PSU. The step often missed is seating both connectors firmly so the 7.2 k rpm spindle spins up reliably.

What maintenance or replacement will this 10 TB surveillance drive need later?

It is built for 24/7 operation with an MTBF of up to 1.5 million hours. No routine maintenance is required; plan replacement when SMART attributes indicate wear or after the rated service life for your recording workload.

What limit appears first under sustained 24/7 recording on this 7200 RPM drive?

The sustained throughput of 265 MB/s is the first ceiling. With support for up to 64 cameras and 16 AI channels, the combined stream bitrate must stay below that rate to avoid dropped frames.

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