This WD Purple Pro hard drive (12TB) is part of WD's Purple Pro family, built for 24/7 smart video recording, video storage, and AI-enabled video analytics. At 12TB, it supports up to 64 HD camera streams and up to 32 concurrent AI streams simultaneously, with a workload rating up to 550TB/yr — roughly three times a mainstream surveillance drive. It carries enterprise-class reliability rated up to 2.5 million hours MTBF and WD's AllFrame AI technology, which helps guide video, image, and metadata to disk while mitigating dropped frames. Backed by a 5-year limited warranty, it's designed for AI-enabled NVR and video analytics platforms that run continuously. Model WD122PURP specifically ships with 512MB cache.
