Key Points 12 TB storage capacity utilizing CMR recording technology. Optimized to support up to 64 HD single-stream cameras. Supports up to 32 AI streams for advanced deep learning analytics. Enterprise-class performance with 7200 RPM spindle speed. HelioSeal technology for proven high-capacity reliability. MTBF of up to 2.5 million hours for 24/7 operation. 5-year limited warranty for long-term peace of mind. The WD Purple Pro WD121PURP is a high-performance hard drive specifically engineered for the next generation of smart video solutions. Whether you are managing AI-enabled recorders, video analytics appliances, or deep-learning servers, this drive provides the capacity and durability required for demanding, always-on environments. Equipped with Western Digital’s exclusive AllFrame AI technology, this drive significantly improves ATA streaming to minimize frame loss and enhance video playback quality. It is built to handle heavy data capture, supporting up to 32 AI streams per drive, making it an ideal choice for complex surveillance systems and cloud-based storage solutions. Designed for longevity, the WD Purple Pro features tarnish-resistant components and multi-bay support, ensuring reliable operation even in large-scale systems. With a workload rating of up to 550 TB/year and 6th-generation HelioSeal technology, it delivers the efficiency and performance needed to extract valuable insights from your video data.