WD Purple 8TB SATA 6Gb/s Surveillance Hard Drive
The WD Purple 8TB is a high-capacity 3.5-inch surveillance hard drive engineered for mainstream DVR and NVR systems. It is designed for continuous, write-intensive surveillance workloads and uses WD AllFrame technology to optimize performance for low-bit-rate, high-stream-count video recording.
With 8TB of storage, 256MB cache, and CMR recording technology, the drive is suited to surveillance installations requiring substantial recording capacity. It supports up to 64 HD cameras and up to 16 drive bays.
Specifications:
| Specification | Details |
|---|---|
| Brand | WD |
| Series | WD Purple |
| Storage Capacity | 8TB |
| Drive Type | Surveillance Hard Disk Drive (HDD) |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Connector | SATA |
| Transfer Rate | Up to 215MB/s |
| Disk Speed | 5640 RPM |
| Cache | 256MB |
| Recording Technology | CMR |
| Surveillance Workload | Up to 180TB/year |
| Camera Support | Up to 64 HD cameras |
| Maximum Drive Bays | Up to 16 |
| Firmware Technology | AllFrame |
| RV Sensors | Yes |
| Operating Temperature | 0°C to 65°C |
| Non-Operating Temperature | -40°C to 70°C |
| Dimensions (L × W × H) | 147 × 101.6 × 26.1 mm |
| Weight | 720g |
| Model Number | WD85PURZ |
Key Features:
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8TB surveillance storage
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Designed for DVR and NVR systems
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SATA 6Gb/s interface
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Up to 215MB/s transfer rate
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5640 RPM
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256MB cache
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CMR recording technology
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WD AllFrame technology
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Supports up to 64 HD cameras
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Supports up to 16 drive bays
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Up to 180TB/year workload rating




