Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q3 2016
61 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| WD | WD5003ABYX | 500 GB | 2 | 184 | 0 | 0.00% |
| Toshiba | MQ01ABF050 | 500 GB | 58 | 3,482 | 0 | 0.00% |
| WD | WD3200AAJS | 320 GB | 3 | 276 | 0 | 0.00% |
| Seagate | ST3160316AS | 160 GB | 51 | 4,046 | 0 | 0.00% |
| WD | WD2500BPVT | 250 GB | 8 | 736 | 0 | 0.00% |
| WD | WD5002ABYS | 500 GB | 4 | 285 | 0 | 0.00% |
| WD | WD2500AAJS | 250 GB | 3 | 276 | 0 | 0.00% |
| WD | WD2500BEVT | 250 GB | 1 | 92 | 0 | 0.00% |
| Hitachi | HDT725025VLA380 | 250 GB | 1 | 92 | 0 | 0.00% |
| WD | WD3200AAKS | 320 GB | 1 | 42 | 0 | 0.00% |
| WD | WD40EFRX | 4 TB | 46 | 4,232 | 0 | 0.00% |
| WD | WD20EFRX | 2 TB | 138 | 5,998 | 0 | 0.00% |
| WD | WD3200BEKX | 320 GB | 9 | 828 | 0 | 0.00% |
| Seagate | ST3500320AS | 500 GB | 1 | 92 | 0 | 0.00% |
| Toshiba | MD04ABA500V | 5 TB | 45 | 4,140 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 146 | 13,432 | 0 | 0.00% |
| Seagate | ST4000DX002 | 4 TB | 2 | 184 | 0 | 0.00% |
| WD | WD1000FYPS | 1 TB | 1 | 1 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 1 | 14 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 24 | 2,205 | 0 | 0.00% |
| HGST | HUH728080ALE600 | 8 TB | 45 | 4,140 | 0 | 0.00% |
| Seagate | ST500LM012 HN | 500 GB | 795 | 71,345 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 47 | 3,390 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 15 | 0 | 0.00% |
| WD | WD10EADS | 1 TB | 173 | 1,373 | 0 | 0.00% |
| Seagate | ST33000651AS | 3 TB | 1 | 62 | 0 | 0.00% |
| Hitachi | HDS723020BLA642 | 2 TB | 6 | 261 | 0 | 0.00% |
| WD | WD10EACS | 1 TB | 35 | 243 | 0 | 0.00% |
| WD | WD10EADX | 1 TB | 7 | 81 | 0 | 0.00% |
| Toshiba | DT01ACA300 | 3 TB | 46 | 4,232 | 0 | 0.00% |
| Hitachi | HDS723030BLE640 | 3 TB | 9 | 828 | 0 | 0.00% |
| WD | WD15EARS | 2 TB | 1 | 2 | 0 | 0.00% |
| WD | WD10EARX | 1 TB | 1 | 1 | 0 | 0.00% |
| WD | WD10EALS | 1 TB | 1 | 4 | 0 | 0.00% |
| WD | WD10EARS | 1 TB | 2 | 25 | 0 | 0.00% |
| Hitachi | HDS5C3030BLE630 | 3 TB | 1 | 92 | 0 | 0.00% |
| WD | WD1001FALS | 1 TB | 1 | 3 | 0 | 0.00% |
| Seagate | ST2000VN000 | 2 TB | 5 | 210 | 0 | 0.00% |
| HGST | HDS724040ALE640 | 4 TB | 43 | 3,956 | 0 | 0.00% |
| Seagate | ST3160318AS | 160 GB | 40 | 2,470 | 0 | 0.00% |
| WD | WD3200LPVX | 320 GB | 1 | 92 | 0 | 0.00% |
| WD | WD1600BPVT | 160 GB | 1 | 92 | 0 | 0.00% |
| Seagate | ST9250315AS | 250 GB | 53 | 4,736 | 0 | 0.00% |
| Seagate | ST9320325AS | 320 GB | 23 | 2,116 | 0 | 0.00% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 2,706 | 248,897 | 2 | 0.29% |
| Hitachi | HDS5C3030ALA630 | 3 TB | 4,496 | 413,452 | 4 | 0.35% |
| HGST | HMS5C4040ALE640 | 4 TB | 7,073 | 650,427 | 7 | 0.39% |
| HGST | HMS5C4040BLE640 | 4 TB | 9,394 | 800,738 | 12 | 0.55% |
| Seagate | ST6000DX000 | 6 TB | 1,891 | 171,813 | 3 | 0.64% |
| Hitachi | HDS722020ALA330 | 2 TB | 3,723 | 159,483 | 3 | 0.69% |
| Hitachi | HDS723030ALA640 | 3 TB | 990 | 90,948 | 3 | 1.20% |
| WD | WD5000LPVX | 500 GB | 329 | 29,878 | 1 | 1.22% |
| Seagate | ST8000DM002 | 8 TB | 5,135 | 376,183 | 15 | 1.46% |
| WD | WD30EFRX | 3 TB | 1,087 | 99,063 | 6 | 2.21% |
| Seagate | ST4000DM000 | 4 TB | 35,022 | 3,187,409 | 277 | 3.17% |
| WD | WD1600AAJS | 160 GB | 97 | 8,148 | 2 | 8.96% |
| Seagate | ST4000DX000 | 4 TB | 197 | 17,888 | 5 | 10.20% |
| WD | WD60EFRX | 6 TB | 464 | 41,965 | 13 | 11.31% |
| Seagate | ST250LM004 HN | 250 GB | 32 | 2,880 | 1 | 12.67% |
| Seagate | ST320LT007 | 320 GB | 11 | 989 | 1 | 36.91% |
| Seagate | ST31500541AS | 2 TB | 44 | 2,545 | 3 | 43.03% |