TECHNICAL SPECIFICATIONS
| Product Specifications | |
| Model number | WD221KRYZ |
| Interface | SATA 6 Gb/s |
| Capacity | 22TB |
| Format: Sector size (bytes) | 512e |
| Form Factor | 3.5-inch |
| Native Command queuing | Yes |
| OptiNAND™ technology | Yes |
| Performance | |
| Data Transfer Rate4 (max sustained transfer rate) MiB/s / MB/s | 277 / 291 |
| Cache (MB) | 512 MB |
| RPM | 7200 |
| Reliability | |
| Annualized Failure Rate (AFR, %) | 0,35 |
| Load/unload cycles (minimum) | 600 000 |
| MTBF (hours, projected) | 2500000 |
| Error rate (non-recoverable) | <1 in 1015 |
| Limited Warranty (years) | 5 |
| Physical Dimensions | |
| Height (max) (in / mm) | 1.028in. (26.1mm) max |
| Length (max) (in / mm) | 5.787in. (147.0mm) max |
| Width (± .01 in.) (in / mm) | 4.0in. (101.6mm) ± .01in. |
| Weight (± 3% ) (lb / kg) | 1.47lb. (.67kg) ± 10% |
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