WD WD221PURP Hard Disk Drive

Built for always-on security and advanced video analytics, the Western Digital WD221PURP Purple Pro hard drive delivers the capacity and reliability modern surveillance and AI systems demand. This enterprise-class 22TB HDD combines OptiNAND™ and AllFrame™ AI technologies to reduce frame drops and improve deep-learning accuracy across multi-stream camera deployments. With a 550TB/year workload rating and a 512MB buffer, the drive sustains heavy, continuous recording and analytics processing in NVRs, video analytics servers, and storage arrays. WDDA™ integration provides actionable drive health data so IT and security teams can proactively manage storage and minimize downtime. Purpose-built for monitoring, security, and surveillance applications, the WD Purple Pro balances high-capacity storage with enterprise reliability and AI-ready performance. Ideal for system integrators, IT managers, and security professionals scaling camera counts or deploying AI inference, the WD221PURP makes it easy to expand recording capacity while protecting critical video evidence. Add this Western Digital HDD to your surveillance servers or analytics appliances to boost retention, resilience, and analytic throughput.

• Massive 22TB capacity designed to store months of high-resolution surveillance and AI video without frequent drive swaps
• AI-ready AllFrame™ AI and OptiNAND™ reduce frame loss and improve analytics accuracy for reliable monitoring and deep-learning workflows
• Engineered for 24/7 operation with a 550TB/year workload rating and up to 2.5M hours MTBF to support continuous security and video-recording systems
• Proactive drive health insights via Western Digital Device Analytics™ (WDDA) help prevent downtime and simplify maintenance for IT and security teams
• Enterprise SATA performance with 512MB cache and 5-year limited warranty ensures predictable, scalable storage for video analytics servers and NVRs