WD Red Pro 22TB NAS Hard Drive 3.5" (WD221KFGX)

WD Red Pro 22TB NAS Hard Drive 3.5" (WD221KFGX) – 7200 RPM CMR Enterprise HDD with OptiNAND™ for Commercial & RAID NAS Systems The WD Red Pro 22TB NAS Hard Drive (WD221KFGX) is an enterprise-class 3.5-inch HDD engineered to deliver massive capacity, exceptional performance, and rock-solid reliability in demanding commercial and enterprise NAS environments. Featuring Western Digital's proprietary OptiNAND™ technology, this drive combines 7200 RPM disk speed, CMR recording, and advanced vibration and shock protection to power the most intensive 24/7 multi-user workloads. Optimized with NASware™ technology and built for RAID-configured NAS systems with unlimited bays, the WD Red Pro 22TB is the go-to storage solution for creative professionals, medium-to-large businesses, and enterprise-grade deployments where downtime is not an option. Key Features and Benefits Optimized for NAS with NASware™: Exclusive Western Digital technology fine-tunes drive parameters to match NAS workloads for higher performance and reliability OptiNAND™ Technology: Integrated iNAND embedded flash performs key housekeeping functions, freeing up capacity and boosting overall drive performance Built for 24/7 Continuous Operation: Designed to handle the rigorous demands of high-intensity, always-on multi-user NAS environments Tested NAS Compatibility: Extensively validated with leading NAS vendors to ensure compatibility with most enclosures Rotation Vibration (RV) Sensors: Anticipate and proactively counteract vibration disturbances, maintaining performance in multi-bay systems Multi-Axis Shock Protection: Detects subtle shock events and compensates with dynamic fly height technology to safeguard data Enterprise-Grade Endurance: Rated for 550 TB/year workloads with up to 2.5 million hours MTBF Unlimited Bay Scalability: Engineered for RAID-optimized NAS systems with an unlimited number of bays 5-Year Limited Warranty: Backed by Western Digital's world-class support for hassle-free data storage Why Choose WD Red Pro Over a Desktop HDD? NAS-Specific Compatibility: Purpose-built and tested for NAS workloads with NASware™, unlike generic desktop drives Always-On Reliability: Engineered to perform under the tough conditions of high-intensity 24/7 multi-user NAS environments RAID-Ready Design: Built with RAID error recovery control to reduce failures in multi-bay systems Vibration & Noise Protection: Integrated RV sensors handle the demands of multi-drive enclosures that desktop drives can't match Ideal Use Cases Creative professionals managing massive media libraries and 8K video projects Medium to large businesses with shared collaborative storage needs Commercial and enterprise NAS deployments RAID-optimized systems with unlimited bays High-intensity 24/7 multi-user data environments Backup, surveillance archive, and long-term data retention Technical Specifications Specification Details Brand Western Digital (WD) Series WD Red Pro Model Number WD221KFGX Capacity 22 TB Form Factor 3.5-Inch Interface SATA Transfer Rate Up to 265 MB/s Disk Speed 7200 RPM Recording Technology CMR (Conventional Magnetic Recording) Advanced Technology OptiNAND™ Cache Size 512 MB Workload Rating 550 TB/year MTBF Up to 2.5 Million Hours Bay Compatibility RAID-optimized NAS systems with unlimited bays Dimensions (L x W x H) 5.79" x 4" x 1.03" Weight 670 g Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Certifications BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL Warranty 5-Year Limited Warranty The WD Red Pro 22TB (WD221KFGX) combines massive enterprise capacity, OptiNAND™ technology, NASware™ optimization, and advanced vibration and shock protection into a single dependable NAS drive. Backed by a 5-year warranty and rated for 550 TB/year workloads, it's the storage foundation growing businesses and creative professionals can trust for years to come.