DiskGradeMost reliable 14 TB hard drives
8 models ranked by annualised failure rate, Q1 2023 to Q3 2026. Across all 14 TB drives the rate is 1.28% a year, against 1.52% for every drive in the data. Most reliable: Western Digital WUH721414ALE6L4 at 0.71%.
4 TB8 TB10 TB12 TB14 TB16 TB24 TB
HGSTSeagateToshibaWestern Digital
| Grade | Model | Type | Size | Failure rate / year | Drives in use | Drive-years | Failures |
|---|---|---|---|---|---|---|---|
| B | Western Digital WUH721414ALE6L4 | HDD | 14 TB | 0.71% | 8,522 | 31,964 | 226 |
| B | Toshiba MG07ACA14TA | HDD | 14 TB | 1.15% | 36,697 | 140,978 | 1,620 |
| C | Seagate ST14000NM001G | HDD | 14 TB | 1.51% | 10,413 | 39,759 | 600 |
| C | Seagate ST14000NM000J | HDD | 14 TB | 1.56% | 497 | 835 | 13 |
| C | Toshiba MG07ACA14TEY | HDD | 14 TB | 1.70% | 965 | 2,944 | 50 |
| F | Seagate ST14000NM0138 | HDD | 14 TB | 6.22% | 1,159 | 5,003 | 311 |
| – | Seagate ST14000NM0018 | HDD | 14 TB | 6.92% | 59 | 231 | 16 |
| – | Seagate ST14000NM002J | HDD | 14 TB | 3.37% | 24 | 30 | 1 |