Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q4 2019
42 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| HGST | HMS5C4040BLE641 | 4 TB | 1 | 91 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 10 | 912 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 20 | 1,840 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 33 | 3,036 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 4 | 355 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 54 | 4,928 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 91 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 18 | 1,593 | 0 | 0.00% |
| Seagate | ST12000NM0117 | 12 TB | 15 | 462 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 60 | 5,520 | 0 | 0.00% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 28 | 2,484 | 0 | 0.00% |
| WD | WD60EFRX | 6 TB | 3 | 276 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 99 | 9,009 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 4 | 368 | 0 | 0.00% |
| HGST | HUS726040ALE610 | 4 TB | 28 | 2,571 | 0 | 0.00% |
| Toshiba | HDWE160 | 6 TB | 4 | 368 | 0 | 0.00% |
| Seagate | ST6000DM004 | 6 TB | 1 | 92 | 0 | 0.00% |
| Seagate | ST4000DM005 | 4 TB | 39 | 3,555 | 0 | 0.00% |
| Seagate | ST8000DM004 | 8 TB | 3 | 273 | 0 | 0.00% |
| Seagate | ST16000NM001G | 16 TB | 40 | 1,840 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 107 | 9,468 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 25 | 2,257 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 157 | 6,844 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,820 | 0 | 0.00% |
| HGST | HUH721212ALN604 | 12 TB | 10,866 | 995,725 | 6 | 0.22% |
| HGST | HUH721212ALE600 | 12 TB | 1,561 | 143,520 | 1 | 0.25% |
| HGST | HMS5C4040BLE640 | 4 TB | 12,758 | 1,168,739 | 12 | 0.38% |
| Seagate | ST6000DX000 | 6 TB | 887 | 81,511 | 1 | 0.45% |
| HGST | HMS5C4040ALE640 | 4 TB | 2,833 | 253,809 | 4 | 0.57% |
| HGST | HUH728080ALE600 | 8 TB | 1,002 | 92,073 | 2 | 0.79% |
| Seagate | ST12000NM0008 | 12 TB | 7,226 | 321,275 | 9 | 1.02% |
| Toshiba | MG07ACA14TA | 14 TB | 3,627 | 232,170 | 7 | 1.10% |
| Seagate | ST8000DM002 | 8 TB | 9,844 | 897,001 | 35 | 1.42% |
| Seagate | ST8000NM0055 | 8 TB | 14,502 | 1,316,499 | 53 | 1.47% |
| Seagate | ST10000NM0086 | 10 TB | 1,205 | 109,200 | 5 | 1.67% |
| Seagate | ST4000DM000 | 4 TB | 19,330 | 1,757,603 | 119 | 2.47% |
| Seagate | ST12000NM0007 | 12 TB | 37,442 | 3,395,334 | 364 | 3.91% |
| Seagate | ST500LM030 | 500 GB | 259 | 23,025 | 6 | 9.51% |
| Toshiba | MQ01ABF050M | 500 GB | 425 | 36,818 | 10 | 9.91% |
| Seagate | ST500LM012 HN | 500 GB | 501 | 45,102 | 13 | 10.52% |
| WD | WD5000LPVX | 500 GB | 214 | 19,187 | 6 | 11.41% |
| Toshiba | MQ01ABF050 | 500 GB | 475 | 42,565 | 23 | 19.72% |