WD Purple 6TB Surveillance Hard Drive
| Capacity | 6TB |
| Form Factor | 3.5-inch |
| Interface | SATA 6 Gb/s (SATA III) |
| Rotational Speed | 5400 RPM class (or Intellipower in some models) |
| Cache Size | Varies by model: some sources list 64 MB, others list 256 MB |
| Workload Rate | Up to 180 TB per year |
| Camera Support | Optimized for systems with up to 64 HD cameras per drive |
| Drive Bay Support | Designed for systems with up to 16 drive bays |
| Technology | Features exclusive AllFrame technology to reduce frame loss and improve video playback |
| Durability | Tarnish-resistant components for harsh NVR environments |
| Warranty | Typically comes with a 3-year limited warranty |