MORE CAMERAS. MORE CLARITY. MORE SURVEILLANCE. Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/yr and support for up to 64 cameras, WD Purple drives are optimized for surveillance systems. 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. What is the difference between a desktop drive and a WD Purple drive? The WD Purple drive is designed specifically for 24/7 DVR and NVR surveillance solutions and is optimized with AllFrame 4K™ technology for system playback and performance. WD Purple drives support 3x the workload rating of desktop drives, making them more capable of handling the higher demands of video surveillance systems. What capacity do you recommend for my surveillance? Higher capacity WD Purple drives allow you to store more footage, more high definition video, and more high quality frames per second. WD recommends 4TB or greater for your DVR or NVR surveillance solution. What types of systems is a WD Purple drive compatible with? The WD Purple drive is designed for both DVR and NVR security systems and is compatible with many of the leading surveillance and security manufacturers. We can help you find the perfect storage for your system. Easy backup and upgrade Acronis True Image WD Edition software, available as a free download, can clone drives and backup your operating system, applications, settings and all of your data. TRUST YOUR VIEW All WD Purple drives are equipped with AllFrame 4K™ technology, which improves ATA streaming to reduce frame loss, improve overall video playback, and more.