# Western Digital Purple Surveillance Internal Hard Drive

- Category: Storage
- Brand: Western Digital
- Model: WD05PURX
- Part number: WD05PURX
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.3/5 from 16 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/storage/western-digital-wd05purx/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Western Digital |
| Model | WD05PURX |
| Maximum Capacity | 500 GB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 64 MB |
| Interface | SATA 6 Gb/s |

## Key Features

- Reduces video frame loss with surveillance-class storage
- Specifically tuned for surveillance security systems
- Caching algorithms are tuned for write-intensive, low Bit rate, high stream count applications that are typical of surveillance applications
- Priority change for Write allocations and preemptive caching policies
- Tler & ATA streaming support

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