- Capacity: 4TB.
- Form Factor: 3.5-inch.
- Supports up to 64 cameras.
- Interface: SATA 6Gbps (150MB/s host transfer rate).
- Performance class: 5400RPM.
- Power consumption: 5.1W max.
- Dimensions: 26.1 x 147 x 101.6 mm.
- Net Weight: 680g.
WD Purple Surveillance hard drives are designed for high temperature, always-on, surveillance security systems to ensure reliability and quality video play back when you need it most. Built for personal, home office or small business DVR surveillance systems. Purpose built storage for NVR Surveillance systems.