| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
The Western Digital WD40PURX is a 3.5-inch internal surveillance hard drive optimized for 24/7 continuous recording in DVR and NVR systems. It features a 4TB capacity, 64MB cache, and 5400 RPM class rotation speed.
Core Specifications
| Specification | Details |
| Capacity | 4TB |
| Form Factor | 3.5-inch |
| Interface | SATA 6 Gb/s |
| RPM / Cache | 5400 RPM / 64MB |
| Sustained Transfer Rate | Up to 150 MB/s |
| Workload Rating | Up to 180 TB/year |
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