WD Red Pro 22TB NAS HDD 7200RPM 512MB Cache SATA 3.5in CMR WD221KFGX

22TB Storage Capacity NAS Optimised Hard Drive 3.5in Form Factor SATA III 6Gb/s Interface 7200RPM Spindle Speed 512MB Cache CMR Recording Technology NASware 3.0 Technology Designed for 24x7 Operation Supports Multi-Bay NAS Systems 5 Year Warranty a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; } The WD Red Pro 22TB NAS Hard Drive is engineered for demanding NAS and business storage environments requiring high-capacity, reliable performance. Featuring a 7200RPM spindle speed, 512MB cache and CMR technology, it delivers dependable performance for data-intensive workloads, backups and multi-user storage environments. Optimised with NASware 3.0 technology and built for continuous 24x7 operation, the WD Red Pro is designed for tower and rack-mounted NAS systems. With its massive 22TB capacity and 5-year warranty, it is an ideal storage solution for growing businesses and professional NAS deployments. Powering Smarter Content ManagementWD Red Pro HDDs deliver the capacity and durability AI-driven NAS solutions depend on, supporting advanced data management and content aggregation. As AI NAS stores more structured and unstructured data, WD Red Pro scales to keep pace — boosting productivity and storage efficiency. Durability for Heavy WorkloadsWith a workload rating of up to 550TB/yr3, WD Red Pro hard drives are designed to handle the rigorous demands of high-intensity, 24×7 multi-user NAS environments. Continuous operation is exactly what these drives are built for — so your AI NAS runs hard without slowing down. Enterprise-Class Capacity and ReliabilityWD Red Pro drives are offered across a wide range of capacity points — from 2TB to 26TB1— to scale with the needs of your organization. Rated at up to 2.5 million hours mean time before failure (MTBF)2, they deliver the enterprise-class reliability that always-on AI NAS environments depend on. Optimized for RAIDWD Red Pro drives feature Time-Limited Error Recovery (TLER), helping ensure uninterrupted operation in RAID-powered NAS and AI NAS systems. Proven in tower and rack-mount systems with any number of bays, WD Red Pro is the right drive for AI NAS at every scale — backed by a 5-year limited warranty Specifications Capacity 22TB Technologies NASware, OptiNAND, ArmorCache Model Number WD221KFGX Recording Technology CMR Interface SATA Connector SATA Form Factor 3.5-Inch Transfer Rate up to 265MB/s Disk Speed (RPM) 7200 RPM Cache Size 512MB Endurance (TBW) 550TB/year Warranty 5-Year Limited Warranty Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Dimensions (L x W x H) 147mm x 101.6mm x 26.1mm Weight 670gms Certifications BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL Use Cases Network Attached Storage (NAS) Compatibility RAID-optimized NAS systems with unlimited # of bays