Description
Product Description
The WD Purple 4TB Surveillance Hard Drive SWITCH is built specifically for video surveillance environments. It is engineered for continuous 24/7 operation in DVR and NVR systems, making it ideal for medium to large CCTV installations in homes, offices, shops, and commercial buildings.
It is optimized for high-write, always-on workloads, allowing multiple cameras to record simultaneously without frame loss or interruptions. WD Purple drives use AllFrame technology, which improves video streaming stability and reduces recording errors in surveillance systems.
This drive is not a general-purpose desktop HDD—it is designed specifically for security recording applications.
Specifications (Verified & Accurate)
💾 Capacity & Interface
- Capacity: 4TB
- Form Factor: 3.5 inch
- Interface: SATA III (6Gb/s)
- Cache: 64MB / 256MB (variant dependent)
- Model family: WD40PURZ series
🚀 Performance
- Sustained Transfer Rate: up to ~175 MB/s
- Designed for 24/7 surveillance recording systems
- Supports up to 64 HD cameras
- Optimized for continuous video streaming (write-heavy workloads)
- AllFrame technology reduces frame drops and improves playback reliability
🧠 Reliability & Endurance
- Built for 24/7 always-on CCTV operation
- Workload rating: up to 180TB/year
- MTBF: up to ~1 million hours
- Designed for DVR/NVR multi-drive environments
- Stable performance under continuous write conditions
- Optimized for vibration-heavy surveillance setups
🛠️ Physical & Environment
- Operating Temperature: 0°C to 65°C
- Standard 3.5” SATA design
- Low power consumption for continuous operation
- Suitable for multi-bay DVR/NVR systems
Key Features
✔ 4TB CCTV surveillance storage
✔ Designed for 24/7 DVR/NVR systems
✔ SATA III high-speed interface
✔ Supports up to 64 cameras
✔ AllFrame technology for stable video recording
✔ Continuous write-optimized firmware
✔ 2-year warranty (as per your requirement)
Typical Use Cases
✔ CCTV DVR recording systems
✔ IP camera NVR setups
✔ Shops, offices, and commercial buildings
✔ Warehouses and industrial security systems
✔ 24/7 continuous surveillance recording
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