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Seagate ST10000NM0086 10 TB failure rate and reliability
F Grade F: Poor
Backblaze logged 3,914 drive-years on the Seagate ST10000NM0086 from Q1 2023 to Q3 2026, with 934 in service at the end of that period. In that time 227 drives failed, an annualised failure rate of 5.80%.
That is 282% higher than the 1.52% average across every drive in the same data, which earns it grade F (poor).
The rate has been steady: 5.56% over the latest 8 quarters against 6.05% before.
- Failure rate / year
- 5.80%
- Average, all drives
- 1.52%
- Drives in use
- 934
- Drive-years
- 3,914
- Failures
- 227
- Capacity
- 10 TB
- Type
- HDD
- Model number
- ST10000NM0086
Failure rate by quarter
| Quarter | Drive-days | Failures | Failure rate / year |
|---|---|---|---|
| Q1 2023 | 105,443 | 14 | 4.85% |
| Q2 2023 | 100,772 | 34 | 12.31% |
| Q3 2023 | 103,009 | 11 | 3.90% |
| Q4 2023 | 101,746 | 15 | 5.38% |
| Q1 2024 | 99,412 | 10 | 3.67% |
| Q2 2024 | 98,280 | 12 | 4.46% |
| Q3 2024 | 97,651 | 21 | 7.85% |
| Q4 2024 | 95,790 | 15 | 5.72% |
| Q1 2025 | 92,767 | 12 | 4.72% |
| Q2 2025 | 92,392 | 12 | 4.74% |
| Q3 2025 | 91,650 | 20 | 7.97% |
| Q4 2025 | 90,651 | 13 | 5.23% |
| Q1 2026 | 86,667 | 11 | 4.63% |
| Q2 2026 | 86,092 | 23 | 9.75% |
| Q3 2026 | 86,144 | 4 | 1.69% |
Single quarters with few drive-days swing widely; the overall figure above is the dependable one.
All 10 TB hard drives compared
| Grade | Model | Type | Size | Failure rate / year | Drives in use | Drive-years | Failures |
|---|---|---|---|---|---|---|---|
| F | Seagate ST10000NM0086 | HDD | 10 TB | 5.80% | 934 | 3,914 | 227 |
| – | Seagate ST10000NM001G | HDD | 10 TB | 0.00% | 28 | 105 | 0 |
| – | HGST HUH721010ALE600 | HDD | 10 TB | 0.00% | 20 | 75 | 0 |