WD 4TB WD42PURZ Purple Surveillance 3.5 Hard Drive
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- Brand Store: WD
- Model: WD WD42PURZ
- Availability: In Stock
- Part No: WD42PURZ
Key features
AllFrame Technology: This exclusive firmware optimization helps reduce frame loss, improves overall video playback, and is tuned for write-intensive, high stream-count workloads.
High Camera Support: Optimized to support up to 64 single-stream HD cameras.
Workload Rating: Supports a workload rate of up to 180 TB/year, which is significantly higher than standard desktop drives.
Multi-Bay Support: Designed for systems with up to 16 drive bays and includes tarnish-resistant components for reliability in harsher NVR environments.
Durability: Engineered to withstand the elevated heat fluctuations and equipment vibrations typical in always-on surveillance environments.
High Camera Support: Optimized to support up to 64 single-stream HD cameras.
Workload Rating: Supports a workload rate of up to 180 TB/year, which is significantly higher than standard desktop drives.
Multi-Bay Support: Designed for systems with up to 16 drive bays and includes tarnish-resistant components for reliability in harsher NVR environments.
Durability: Engineered to withstand the elevated heat fluctuations and equipment vibrations typical in always-on surveillance environments.

| Category | Specification (WD42PURZ - 4TB) |
|---|---|
| Model | WD42PURZ |
| Capacity | 4TB |
| Form Factor | 3.5-inch |
| Interface | SATA 6 Gb/s |
| Cache | 256 MB |
| Rotational Speed | 5400 RPM Class |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Sustained Transfer Rate | Up to 175 MB/s |
| Performance & Features | |
| Camera Support | Up to 64 HD cameras |
| Drive Bays Supported | Up to 16 bays |
| AllFrame Technology | Reduces frame loss and improves video playback |
| Workload Rating | Up to 180 TB/year |
| Power & Environmental | |
| Power Consumption (Read/Write) | -4.6 W |
| Power Consumption (Standby/Sleep) | -0.3 W |
| Operating Temperature | 0C to 65C |
| Reliability | |
| MTBF | 1,000,000 hours |
| Durability | Tarnish-resistant components for harsh environments |
| Physical Dimensions | |
| Height | 26.1 mm |
| Length | 147 mm |
| Width | 101.6 mm |
| Weight | -570 g |
| General | |
| Manufacturer | WD |
|---|---|
| Model | WD WD42PURZ |
| Manufacturer Part No | WD42PURZ |
| Compatible Country | Middle East, Africa, Iran, Dubai |
| Country of Origin | USA |
| Price | AED 630 |





















