WD Red Pro NAS 22TB Hard Drive – WD221KFGX
Enterprise-Class Reliability for NAS Systems
The WD Red® Pro series is engineered for high-performance, durability, and reliability in multi-user, commercial, and enterprise RAID-optimized NAS environments.
Key Features
- Optimized for NAS with NASware™ – Western Digital’s NASware™ technology fine-tunes drive parameters to enhance performance and reliability.
- Continuous 24×7 Operation – Designed for rigorous workloads in high-intensity environments.
- Extensively Tested for Compatibility – Partnered with NAS system vendors to ensure reliable operation in multi-bay enclosures.
- Vibration Protection – Equipped with Rotation Vibration (RV) sensors to minimize performance disruptions caused by excessive vibration.
- Shock Resistance – Multi-axis shock sensors with dynamic fly height technology help protect the drive from subtle shock events.
- OptiNAND™ Technology – Western Digital’s proprietary integration of iNAND embedded flash improves capacity and overall performance.
- World-Class Support & Warranty – Backed by a 5-year limited warranty and industry-leading support.
Desktop Drives vs. WD Red® Pro
When selecting a hard drive for RAID-optimized NAS, consider these key differences:
| Feature | WD Red® Pro | Desktop Drives |
|---|---|---|
| Compatibility | NASware™ Technology for RAID systems | Generic configuration |
| Reliability | Designed for 24×7 operation | Typically for intermittent use |
| RAID Optimization | Includes RAID error recovery control | Lacks RAID-specific error handling |
| Noise & Vibration Protection | RV sensors to minimize vibration disruptions | Minimal or no protection |
Full Specifications
| Specification | Details |
|---|---|
| Capacity | 22TB |
| Form Factor | 3.5-Inch |
| Connector | SATA |
| Compatibility | RAID-optimized NAS systems (unlimited bays) |
| Interface | SATA |
| Transfer Rate | Up to 265MB/s |
| Disk Speed (RPM) | 7200 RPM |
| Recording Technology | CMR |
| Cache Size | 512MB |
| Warranty | 5-Year Limited Warranty |
| Dimensions (L × W × H) | 5.79″ × 4″ × 1.03″ |
| Weight | 670g |
| 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 |
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