Hitachi Hard Drive Failure Rates
Lifetime failure rates for 9 Hitachi model(s), computed from Backblaze's published dataset.
| Model | Capacity | Drive Count | Drive Days | Failures | Lifetime AFR |
|---|---|---|---|---|---|
| HDT725025VLA380 | 250 GB | 1 | 1,154 | 0 | 0.00% |
| HDT721010SLA360 | 1 TB | 15 | 4,159 | 0 | 0.00% |
| HDS5C3030BLE630 | 3 TB | 1 | 1,415 | 0 | 0.00% |
| HDS5C4040ALE630 | 4 TB | 2,837 | 4,553,797 | 95 | 0.76% |
| HDS5C3030ALA630 | 3 TB | 4,664 | 6,641,559 | 150 | 0.82% |
| HDS722020ALA330 | 2 TB | 4,774 | 5,306,511 | 235 | 1.62% |
| HDS723030ALA640 | 3 TB | 1,048 | 1,429,666 | 73 | 1.86% |
| HDS723030BLE640 | 3 TB | 10 | 13,232 | 1 | 2.76% |
| HDS723020BLA642 | 2 TB | 11 | 9,620 | 3 | 11.38% |