WD Purple WD44PURZ 4TB 3.5" 5400RPM 128MB Cache SATA III Surveillance Internal Hard Drive

More Cameras. More Clarity. More Surveillance. Capture it in Purple

- Engineered specifically for surveillance security systems.
- Supports up to 180 TB/yr workload rate*.
- Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications.
- Prioritized write-operations for maximized surveillance performance.
- TLER & ATA streaming support.
- Support for more than eight bays**.
- Tarnish-resistant components**.

*Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ? (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
**For capacities 4TB and higher.