Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/year and support for up to 64 cameras, WD Purple drives are optimised for surveillance systems. WD Purple drives are designed to support Deep Learning analytics in AI capable NVRs, and feature an enhanced workload rating of up to 360 TB/year, and up to 16 AI channels for analytics within the system.