WD Purple™ drives are built for 24/7 always-on high-definition security systems. WD Purple™ surveillance storage feature Western Digital’s exclusive AllFrame™ technology so you can confidently create a security system tailored to the needs of your business. Using AllFrame™ technology WD Purple™ drives improve video capturing and helps to reduce errors pixelation and video interruptions that could happen in a video recorder system. WD Purple drives have an enhanced workload rating** that supports systems designed for 24x7 video recording with up to 64 cameras.  **Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ? (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. The right drive for the right job. WD Purple™ drives have been engineered specifically for surveillance so they’re able to withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals not the harsh 24/7 always-on environment of a high-definition surveillance system. A disruption to a drive could result in a failure that impacts multiple users your security archive or even the entire system. With WD Purple™ you get reliable surveillance-class storage that’s tested for compatibility in a wide-range of security systems. Industry-leading storage. Surveillance you can trust. Western Digital is a worldwide leader in the hard drive industry. With WD Purple™ surveillance storage you have a drive engineered for high temperature always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you’re protecting loved ones or monitoring your business WD Purple™ offers performance you can trust. Western Digital s exclusive AllFrame™ technology All WD Purple™ drives are equipped with AllFrame™ technology which improves ATA streaming to help reduce frame loss improve overall video playback and increase the number of hard drive bays supported within a NVR.  Help make your surveillance solution future-ready knowing that WD Purple™  drives are ready for ultra high definition cameras.  WD Purple capacities up to 6TB feature AllFrame 4K technology enabling high quality recording for up to 64 cameras. WD Purple 8TB 10TB and 12TB capacities feature AllFrame AI technology that enables not only recording up to 64 cameras but also supports an additional 32 streams for Deep Learning analytics within the system. Enhanced workload rating WD Purple drives with AllFrame 4k technology feature a workload rating of up to 180TB/year - up to three times that of desktop drives - to handle the unique demands of modern video surveillance DVR and NVR systems. WD Purple drives with AllFrame AI technology feature a workload rating up to 360TB/year to support the Deep Learning analytics that are features in AI capable NVRs. Expand your view to 64 Each WD Purple™ drive is optimized to support up to 64 cameras. With so many options you have the flexibility to upgrade or expand your security system in the future.  Designed for today s and tomorrow s surveillance solutions With an MTBF of up to 1.5 million hour*** WD Purple drives are engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With support for more than eight bays‡ and tarnish resistant components*** WD Purple drives deliver reliable operation in large scale surveillance systems in harsh environments. ***Up to 1.5M MTBF for 8TB 10TB and 12TB capacities (up to 1.0M MTBF for lower capacities). MTBF specifications are based upon internal testing. ‡For capacities 4TB and higher Field-proven high capacity Now on its 4th generation and with more than 27 million drives shipped‡ field-proven HelioSeal™ technology delivers trusted high-capacity WD PurpleTM  storage (10TB and 12TB)  for the massive storage needs of 4K surveillance video. ‡As of April 2018 Wide compatibility. Seamless integration. WD Purple™ hard drives are built with compatibility in mind so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of industry-leading enclosures and chipsets supported you’re sure to find the DVR or NVR configuration that’s right for you. Three year limited-warranty As an industry-leading hard drive manufacturer WD stands behind their surveillance storage solutions with a 3-year limited warranty included with every WD Purple™ drive. Features: • Engineered specifically for surveillance security systems. • Tuned for write-intensive low bit-rate high stream-count applications typical to most surveillance applications. • 8TB and above have additional enhancements and higher workload rate for AI-enabled NVRs  • Supports up to 180 TB/yr workload rate* (Up to 360 TB/yr workload rate on 8TB 10TB and 12TB drives). • Support for more than eight bays**. • Tarnish-resistant components.**  *Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ? (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. **For capacities 4TB and higher.