WD Purple Surveillance Hard Drive – 4TB (WD43PURZ)
Reliable Storage for Continuous Surveillance
The WD Purple 4TB hard drive is engineered for 24×7 video surveillance recording, built to withstand elevated heat fluctuations and equipment vibrations in NVR and DVR environments. Featuring AllFrame™ technology, it enhances video capture and playback by minimizing frame loss. Designed for high workloads of up to 180TB/year, it supports up to 64 HD cameras and operates reliably in systems with up to 16 drive bays. With a 3-year limited warranty, tarnish-resistant components, and an MTBF of up to 1 million hours, WD Purple ensures dependable security storage.
Key Features
- NVR and DVR environments: Could be briefly explained as “in common security camera recording systems.”
- AllFrameâ„¢ technology: Focus on the benefit: “Features special AllFrameâ„¢ Technology, which helps prevent lost video frames and improves how smoothly your recorded video plays back.”
High workloads of up to 180TB/year: Rephrase as “Can reliably handle a very large amount of video data being recorded each year (up to 180 terabytes).”
- Up to 16 drive bays: “Works well in larger security systems that can hold many hard drives (up to 16).”
- Tarnish-resistant components: “Built with special parts that resist wear and tear, ensuring it lasts longer in challenging conditions.”
- MTBF: Instead of just the number, explain its implication: “Designed for exceptional long-term reliability, meaning it’s built to last for a very long time without issues.”
- CMR: This detail is likely best left in the “Full Specifications” section for technical users, as it’s not essential for a general audience’s understanding of the product’s benefits.
Full Specifications
| Specification | Details |
|---|---|
| Brand | Western Digital |
| Series | WD Purple HDD |
| Model Number | WD43PURZ |
| Form Factor | 3.5-Inch |
| Storage Capacity | 4TB |
| Interface | SATA |
| Transfer Rate | Up to 175MB/s |
| Disk Speed (RPM) | 5400 RPM |
| Recording Technology | CMR |
| Cache Size | 256MB |
| Workload Rating | Up to 180TB/year |
| Max Cameras Supported | Up to 64 HD single-stream cameras |
| Max Drive Bays Supported | Up to 16 bays |
| MTBF | Up to 1 million hours |
| Dimensions (L × W × H) | 5.79″ × 4″ × 1.03″ |
| Weight | 570g |
| Operating Temperature | 0°C to 65°C |
| Non-Operating Temperature | -40°C to 70°C |
| Certifications | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
| Warranty | 3-Year Limited Warranty |





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