The 18TB Purple Pro 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive from WD is designed for high-end AI-enabled recorders, video analytics appliances, deep-learning servers and cloud solutions that can benefit from high-capacity storage with high performance and additional workload capability. With support for up to 64 high-definition surveillance cameras, this 8TB hard drive features AllFrame AI technology, which helps reduce frame loss, improve video playback, enables the recording of multiple streams per camera, and supports up to 32 AI streams per drive for deep learning analytics within the system.