Uncompromising Storage Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/yr1 and support for up to 64 cameras, WD Purple drives are optimized for surveillance systems. WD Purple 4TB drives are designed to support Deep Learning analytics in AI capable NVRs, and feature an enhanced workload rating of up to 360TB/yr The Right Drive for the Job:WD Purple drives have been engineered specifically for the extreme demands of high temperature, 24/7 surveillance systems. Performance You Can Trust:From a worldwide leader in the storage industry, WD Purple is engineered for quality video playback when you need it most. Expand Your View to 64:WD Purple drives are optimized to support up to 64 cameras, giving you flexibility to upgrade or expand your security system. Seamless Integration:With A Wide Range Of Industry-Leading Enclosures And Chipsets Supported, You're Sure To Find The Configuration And Compatibility That's Right For Your Nvr. Less Is More:Low Power Consumption Is A Must In A High-Temperature, Always-On Surveillance Environment. Intelliseek Technology Helps Reduce Damaging Ambient Noise And Vibrations. Designed For Surveillance:The WD Purple Drive Is Designed For Both Dvr And Nvr Security Systems, And Is Compatible With Many Of The The Leading Surveillance And Security Manufacturers. We Can Help You Find The Perfect Storage For Your System. 3-Year Limited Warranty:Every WD Purple Drive Comes With A 3-Year Limited Warranty, So You Can Be Confident Of Your Surveillance Storage.