Hitachi HDS723030ALA640
Capacity: 3 TB
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Lifetime
- Active: 2013–2017
- Drive count: 1,048
- Drive days: 1,429,666
- Failures: 73
- Average age: 46.91 months
- Annualized failure rate: 1.86%
History by Period
| Period | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|
| Q2 2017 | 974 | 31,626 | 0 | 0.00% |
| Q1 2017 | 978 | 83,918 | 4 | 1.74% |
| Q4 2016 | 987 | 90,415 | 9 | 3.63% |
| Q3 2016 | 990 | 90,948 | 3 | 1.20% |
| Q2 2016 | 998 | 90,651 | 8 | 3.22% |
| Q1 2016 | 1,000 | 90,921 | 2 | 0.80% |
| 2015 | 1,018 | 365,526 | 18 | 1.80% |
| 2014 | 1,039 | 369,628 | 23 | 2.27% |
| 2013 | 1,034 | 216,033 | 6 | 1.01% |