You've outgrown the 18 and you don't want to fill two bays just to get the space you need. The WD Red Pro 22TB handles that in a single 3.5-inch drive, rated for up to 24-bay NAS systems and 300TB of annual writes. CMR recording keeps long backup windows and virtualisation jobs from stalling, and NASware 3.0 keeps your RAID array in step. 5-year warranty because your data shouldn't be on a 12-month clock. In stock and ready to ship from Australia
| brand | Western Digital |
| capacity | 22TB |
| form_factor | 3.5-inch |
| interface | SATA3 |
| rpm | 7200 |
| cache_size | 512MB |
| recording_technology | CMR |
| workload_rating | 300TB/year |
| max_bay_support | 24-bay NAS |
| firmware | NASware 3.0 |
| warranty | 5-year limited |
| operating_mode | 24x7 |