WD Purple 6TB SATA 6Gb/s Surveillance Hard Drive
The WD Purple 6TB is a 3.5-inch surveillance hard drive designed for continuous recording in mainstream DVR and NVR systems. It is optimized for write-intensive, low-bit-rate and high-stream-count surveillance workloads and incorporates WD AllFrame technology to help maintain smooth video recording.
The drive uses CMR recording technology, features a 256MB cache, and supports transfer rates of up to 175MB/s. It supports surveillance installations with up to 64 HD cameras and up to 16 drive bays, making it suitable for larger CCTV storage requirements.
Specifications:
| Specification | Details |
|---|---|
| Brand | WD |
| Series | WD Purple |
| Storage Capacity | 6TB |
| Drive Type | Surveillance Hard Disk Drive (HDD) |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Connector | SATA |
| Transfer Rate | Up to 175MB/s |
| Disk Speed | 5400 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) | 147.07 × 101.6 × 26.16 mm |
| Weight | 570g |
| Model Number | WD64PURZ |
Key Features:
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6TB 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 175MB/s transfer rate
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5400 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




