WD Purple WD22PURZ - Hard drive - 2 TB - internal - 3.5" - SATA 6Gb/s - buffer: 256 MB

Engineered specifically for surveillance security systems

Prioritized write-operations for maximized surveillance performance

Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications

This internal hard disk is meant for security and surveillance purposes only and not meant to be used in computers