🧠 Key Features
💾 Massive Storage Capacity
📡 Surveillance‑First Design
Built to support continuous write‑intensive workloads typical of security camera systems.
Workload rating: up to 180 TB per year, far higher than standard desktop drives.
Supports up to 64 HD cameras in modern multi‑camera setups.
🛠 Reliable Performance
SATA III (6 Gb/s) interface for speedy connections to DVR/NVR systems and PCs.
5400 RPM (IntelliPower) class rotational speed balances power efficiency and performance.
Cache: Typically 64 MB or more for smoother data handling.
📈 AllFrame™ Technology
📦 Form Factor & Compatibility
3.5‑inch internal SATA drive — fits standard desktop PCs, DVRs, NVRs, and many network storage systems.
Designed to operate reliably in security environments, including multi‑bay enclosures.
⚙️ Typical Specifications
| Feature | Typical Value |
|---|
| Capacity | 4 TB |
| Interface | SATA III (6 Gb/s) |
| Form Factor | 3.5″ |
| Rotational Speed | ~5400 RPM (IntelliPower) |
| Cache | ~64 MB |
| Workload Rating | Up to 180 TB/year |
| Supported Cameras | Up to 64 HD cameras |
| Technology | AllFrame™ optimized for surveillance |
| Ideal Use | DVR / NVR / CCTV systems |
| Operating Mode | 24/7 continuous recording |
📌 Why Choose WD Purple 4 TB?
🎥 Designed for Surveillance
Unlike desktop HDDs, WD Purple drives are optimized for continuous, write‑heavy video recording workloads — a must for modern CCTV systems.
🔄 Reliable Long‑Term Operation
With high workload ratings and technologies that reduce frame loss, WD Purple helps ensure recordings are complete and reliable.
🛠 Wide Compatibility
Works with a broad range of DVRs, NVRs, and surveillance systems — from small home setups to larger business installations.
📊 Common Use Cases
✔ CCTV surveillance systems (24/7 recording)
✔ Multi‑camera DVR/NVR setups
✔ Large storage for video archives
✔ Security & monitoring solutions in homes, offices, or commercial sites
⚠ Notes & Tips
Not the fastest for general PC workloads: Because it’s tuned for sequential video writes, it may be slower than desktop or NAS‑specific drives for random desktop use.
Check compatibility: Make sure your DVR/NVR or PC supports 3.5″ SATA drives.