Build larger storage pools without increasing rack complexity. WD Gold WD221KRYZ delivers 22 TB of enterprise-class SATA capacity in a standard 3.5-inch internal drive format, making it a practical choice for server bays, storage arrays, and archive-oriented platforms. The 7,200 RPM spindle speed and 512 MB cache support steady transfer behavior for workloads that move large files, maintain retention copies, or serve as the capacity layer in mixed storage environments. SATA connectivity keeps integration straightforward across a wide range of enterprise systems, while the WD Gold line is positioned for the operational demands of always-on infrastructure. For procurement teams, the value is in slot efficiency: more terabytes per drive means fewer bays, fewer enclosures, and less overhead per unit of stored data. That matters when the goal is to extend storage life cycles while keeping platform costs controlled. This drive is well suited to organizations that need dependable bulk storage rather than flash-tier latency.