WD Purple 2TB

Western Digital WD Purple WD20PURZ is a 2TB hard drive designed for always-on security video systems. It provides storage for surveillance recording in a compatible DVR or NVR setup.

The 3.5-inch drive connects through a SATA 6 Gb/s interface. WD lists support for up to 64 cameras, making the model suitable for surveillance systems with multiple video feeds.

AllFrame 4K technology helps reduce frame loss during recording and playback. The model also has a 64 MB cache, a 5400 RPM performance class and a sustained transfer rate of up to 110 MB/s. Its specified annual workload rating is 180 TB/year.