WD WD221KRYZ Hard Disk Drive

Maximize capacity and reliability for mission-critical storage with the Western Digital WD Gold enterprise SATA HDD (WD221KRYZ). Designed for data centers, security installations, and large-scale monitoring or surveillance archives, this 22TB drive delivers the high-density storage needed to retain more footage and datasets per rack while cutting your cost-per-TB. With a 512MB buffer, SATA/600 interface and a workload rating tuned for heavy applications, the WD221KRYZ keeps streaming video and multi-user access smooth and predictable.

Built for continuous operation, WD Gold drives offer up to 2.5 million hours MTBF, advanced vibration protection for multi-bay arrays, and HelioSeal® technology for lower power consumption in 12TB+ models—reducing operating costs in always-on environments. OptiNAND™ and ArmorCache™ innovations further protect write integrity and improve recovery after power events, an advantage for surveillance, security, and archival systems where data integrity matters.

If you need dependable, high-capacity HDDs for data center storage, NVRs, or enterprise backup and monitoring solutions, choose the WD221KRYZ WD Gold drive to scale with confidence—order today to upgrade your storage infrastructure.

• Maximize rack density and retention with 22TB capacity for long-term archives, surveillance video, and backup storage
• Enterprise-grade reliability (up to 2.5M hours MTBF) to reduce downtime in data centers and monitoring systems
• 512MB cache and SATA/600 interface for consistent throughput in multi-drive arrays and heavy application workloads
• Vibration protection and HelioSeal® technology lower error rates and power draw in high-density enclosures
• OptiNAND™ and ArmorCache™ features (on supported models) protect write integrity and improve performance under power events
• Broad compatibility and a 5-year limited warranty for predictable TCO and simplified deployment in security, surveillance, and storage systems