HGST Hard Drive Failure Rates
Lifetime failure rates for 13 HGST model(s), computed from Backblaze's published dataset.
| Model | Capacity | Drive Count | Drive Days | Failures | Lifetime AFR |
|---|---|---|---|---|---|
| HUH721010ALE600 | 10 TB | 20 | 54,583 | 0 | 0.00% |
| HUS726040ALN610 | 4 TB | 19 | 4,334 | 0 | 0.00% |
| HMS5C4040BLE641 | 4 TB | 1 | 2,170 | 0 | 0.00% |
| HMS5C4040BLE640 | 4 TB | 16,349 | 41,176,381 | 449 | 0.40% |
| HMS5C4040ALE640 | 4 TB | 8,723 | 16,787,424 | 260 | 0.56% |
| HUH721212ALE600 | 12 TB | 2,697 | 6,348,914 | 110 | 0.63% |
| HDS724040ALE640 | 4 TB | 45 | 63,127 | 2 | 1.16% |
| HUS728T8TALE6L4 | 8 TB | 20 | 26,903 | 1 | 1.36% |
| HUH728080ALE600 | 8 TB | 1,218 | 3,260,426 | 125 | 1.40% |
| HUS726040ALE610 | 4 TB | 55 | 77,954 | 3 | 1.41% |
| HUH721212ALE604 | 12 TB | 14,352 | 25,195,977 | 1223 | 1.77% |
| HUH721212ALN604 | 12 TB | 11,438 | 27,765,320 | 1856 | 2.44% |
| HUH728080ALE604 | 8 TB | 98 | 133,895 | 21 | 5.72% |