| Product Specifications |
| Model number |
WD221PURP |
| Interface |
SATA 6 Gb/s |
| Formatted capacity |
22TB |
| Form factor |
3.5-inch |
| Advanced Format (AF) |
Yes |
| Recording Technology |
CMR |
| RoHS compliant |
Yes |
| Product Features |
| Maximum drive bays supported |
No Limit |
| Camera Support |
Up to 64 HD |
| AI Streams |
32 |
| Firmware Feature Name |
AllFrame AI |
| Tarnish resistant components |
Yes |
| Performance |
| Interface transfer rate (max) Buffer to host |
6 Gb/s |
| Interface transfer rate (max) Host to / from drive |
265 MB/s |
| Cache (MB) |
512 MB |
| RPM |
7200 |
| Reliability/Data Integrity |
| Load/unload cycles |
600 000 |
| Annualized Workload Rate(TB/year) |
Up to 550 TB/year |
| MTBF (hours) |
2 500 000 |
| Limited warranty (years) |
5 years |
| Physical Dimensions |
| Height (max) (in / mm) |
1.028 / 26.1 |
| Length (max) (in / mm) |
5.787 / 147 |
| Width (± .01 in.) (in / mm) |
4 / 101.6 |
| Weight (± 3% ) (lb / kg) |
1.48 / 0.67 |