WD Gold 22TB | WD221KRYZ 22TB Enterprise SATA HDD combines high capacity, 7200 RPM speed, ArmorCache protection, and RVS tech for reliable, high-performance storage in demanding environments.
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The Western Digital WD Gold 22TB | WD221KRYZ Gold Enterprise-Class SATA HDD is designed for the most demanding data storage needs, delivering unparalleled performance, reliability, and capacity. WD Gold 22TB | WD221KRYZ 22TB hard drive leverages advanced HelioSeal technology and ArmorCache™ protection to provide enterprise-grade power loss protection and superior write-cache performance. Built for continuous heavy workloads up to 550TB per year, WD Gold 22TB | WD221KRYZ model integrates Western Digital’s Rotational Vibration Safeguard (RVS) technology, ensuring robust operation in high-vibration environments common in data centers and RAID configurations.
With a fast 7200 RPM spindle speed and a large 512 MB cache, the WD Gold 22TB | WD221KRYZ delivers sustained transfer rates up to 291MB/s, supporting hybrid cloud, colocated storage, and AI data training applications.
Key Features:
Massive 22TB capacity in a 3.5-inch form factor
Helium-filled design for greater efficiency and durability
SATA 6 Gb/s interface with 512e sector technology
7200 RPM spindle speed with 512MB cache for fast data access
ArmorCacheâ„¢ technology for enhanced power loss protection
Rotational Vibration Safeguard (RVS) for stability in multi-drive environments
Supports workloads up to 550TB/year for continuous enterprise use
Five-year limited warranty with 2.5M hours MTBF reliability
RoHS compliant and environmentally friendly design
| Specification | Detail |
|---|---|
| Model Number | WD221KRYZ |
| Formatted Capacity | 22TB |
| Form Factor | 3.5-inch |
| Drive Technology | Helium |
| Interface | SATA 6 Gb/s |
| Sector Technology | 512e (Advanced Format) |
| OptiNAND Technology | Yes |
| ArmorCache Technology | Yes |
| RoHS Compliance | Yes |
| Max Sustained Data Transfer Rate | 291 MB/s |
| Spindle Speed (RPM) | 7200 |
| Cache Size | 512 MB |
| Power Requirements (Operational) | 7.1 W |
| Power Requirements (Idle) | 5.7 W |
| Power Efficiency Index (Idle) | 0.26 W/TB |
| MTBF (Mean Time Between Failures) | 2,500,000 hours |
| Annualized Failure Rate (AFR) | 0.35% |
| Warranty | 5 years (limited) |
| Operating Temperature | 5°C to 60°C |
| Non-operating Temperature | -40°C to 70°C |
| Shock (Read/Write) | 40G/40G |
| Shock (Non-operating) | 200G |
| Acoustics (Idle Mode) | 20 dBA |
| Acoustics (Seek Mode) | 32 dBA |
| Dimensions (H x L x W) | 26.1mm x 147.0mm x 101.6mm |
| Weight | 1.47 lb (0.67 kg) ±10% |
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