Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q1 2019
48 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| HGST | HMS5C4040BLE641 | 4 TB | 1 | 90 | 0 | 0.00% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 64 | 3,743 | 0 | 0.00% |
| HGST | HDS724040ALE640 | 4 TB | 1 | 29 | 0 | 0.00% |
| Seagate | ST320LT007 | 320 GB | 1 | 85 | 0 | 0.00% |
| WD | WD1600AAJS | 160 GB | 19 | 251 | 0 | 0.00% |
| Seagate | ST3160318AS | 160 GB | 1 | 14 | 0 | 0.00% |
| Seagate | ST250LM004 HN | 250 GB | 1 | 24 | 0 | 0.00% |
| WD | WD3200AAJS | 320 GB | 1 | 3 | 0 | 0.00% |
| Seagate | ST3160316AS | 160 GB | 3 | 42 | 0 | 0.00% |
| WD | WD2500AAJS | 250 GB | 1 | 88 | 0 | 0.00% |
| WD | WD40EFRX | 4 TB | 2 | 94 | 0 | 0.00% |
| WD | WD3200BEKX | 320 GB | 1 | 29 | 0 | 0.00% |
| Toshiba | MD04ABA500V | 5 TB | 45 | 4,050 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 145 | 12,662 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 13 | 1,113 | 0 | 0.00% |
| HGST | HUS726040ALE610 | 4 TB | 29 | 2,598 | 0 | 0.00% |
| Toshiba | HDWE160 | 6 TB | 10 | 834 | 0 | 0.00% |
| Seagate | ST6000DM004 | 6 TB | 2 | 180 | 0 | 0.00% |
| Seagate | ST4000DM005 | 4 TB | 58 | 4,848 | 0 | 0.00% |
| Toshiba | MG07ACA14TA | 14 TB | 1,226 | 109,404 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 25 | 2,250 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 17 | 1,245 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 11 | 982 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 20 | 1,798 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 14 | 82 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 3 | 265 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 90 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 18 | 1,564 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 20 | 540 | 0 | 0.00% |
| HGST | HMS5C4040ALE640 | 4 TB | 4,798 | 313,383 | 2 | 0.23% |
| Seagate | ST6000DX000 | 6 TB | 1,526 | 135,832 | 1 | 0.27% |
| HGST | HMS5C4040BLE640 | 4 TB | 14,558 | 1,172,824 | 11 | 0.34% |
| HGST | HUH721212ALN604 | 12 TB | 4,876 | 259,749 | 4 | 0.56% |
| Seagate | ST10000NM0086 | 10 TB | 1,218 | 108,555 | 3 | 1.01% |
| Seagate | ST8000DM002 | 8 TB | 9,908 | 888,741 | 27 | 1.11% |
| HGST | HUH728080ALE600 | 8 TB | 1,048 | 93,598 | 3 | 1.17% |
| WD | WD60EFRX | 6 TB | 382 | 30,523 | 1 | 1.20% |
| Seagate | ST8000NM0055 | 8 TB | 14,441 | 1,294,451 | 57 | 1.61% |
| Seagate | ST4000DM000 | 4 TB | 23,236 | 1,989,429 | 106 | 1.95% |
| Seagate | ST12000NM0007 | 12 TB | 34,905 | 2,955,025 | 174 | 2.15% |
| HGST | HUH721212ALE600 | 12 TB | 521 | 14,040 | 1 | 2.60% |
| WD | WD5000LPVX | 500 GB | 272 | 22,015 | 2 | 3.32% |
| Toshiba | MQ01ABF050M | 500 GB | 380 | 32,624 | 3 | 3.36% |
| Seagate | ST500LM012 HN | 500 GB | 610 | 50,619 | 9 | 6.49% |
| Toshiba | MQ01ABF050 | 500 GB | 530 | 46,969 | 13 | 10.10% |
| WD | WD5000LPCX | 500 GB | 56 | 4,920 | 2 | 14.84% |
| Seagate | ST500LM030 | 500 GB | 209 | 14,479 | 8 | 20.17% |
| Seagate | ST8000DM004 | 8 TB | 4 | 273 | 1 | 133.70% |