Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q3 2018
44 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| WD | WD3200BEKX | 320 GB | 1 | 92 | 0 | 0.00% |
| Seagate | ST320LT007 | 320 GB | 8 | 431 | 0 | 0.00% |
| WD | WD1600AAJS | 160 GB | 30 | 2,215 | 0 | 0.00% |
| Seagate | ST3160318AS | 160 GB | 2 | 165 | 0 | 0.00% |
| Seagate | ST9250315AS | 250 GB | 16 | 643 | 0 | 0.00% |
| Seagate | ST250LM004 HN | 250 GB | 5 | 146 | 0 | 0.00% |
| Seagate | ST9320325AS | 320 GB | 14 | 1,184 | 0 | 0.00% |
| WD | WD3200AAJS | 320 GB | 1 | 92 | 0 | 0.00% |
| Seagate | ST3160316AS | 160 GB | 6 | 501 | 0 | 0.00% |
| WD | WD2500AAJS | 250 GB | 1 | 92 | 0 | 0.00% |
| WD | WD40EFRX | 4 TB | 46 | 4,232 | 0 | 0.00% |
| Toshiba | MD04ABA500V | 5 TB | 45 | 4,140 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 146 | 13,432 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 15 | 1,336 | 0 | 0.00% |
| HGST | HUS726040ALE610 | 4 TB | 25 | 2,278 | 0 | 0.00% |
| Toshiba | HDWE160 | 6 TB | 10 | 819 | 0 | 0.00% |
| Seagate | ST6000DM004 | 6 TB | 3 | 116 | 0 | 0.00% |
| Seagate | ST4000DM005 | 4 TB | 72 | 6,256 | 0 | 0.00% |
| HGST | HUH721212ALN604 | 12 TB | 79 | 6,320 | 0 | 0.00% |
| Seagate | ST500LM030 | 500 GB | 11 | 363 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 15 | 649 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 12 | 935 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 20 | 1,820 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 56 | 5,152 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 92 | 0 | 0.00% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 78 | 6,667 | 0 | 0.00% |
| HGST | HDS724040ALE640 | 4 TB | 2 | 137 | 0 | 0.00% |
| HGST | HMS5C4040BLE640 | 4 TB | 15,054 | 1,368,030 | 10 | 0.27% |
| HGST | HMS5C4040ALE640 | 4 TB | 4,881 | 434,134 | 4 | 0.34% |
| HGST | HUH728080ALE600 | 8 TB | 1,046 | 95,108 | 1 | 0.38% |
| Seagate | ST8000DM002 | 8 TB | 9,905 | 909,387 | 22 | 0.88% |
| Seagate | ST8000NM0055 | 8 TB | 14,419 | 1,323,924 | 35 | 0.96% |
| Seagate | ST10000NM0086 | 10 TB | 1,223 | 112,240 | 3 | 0.98% |
| Seagate | ST12000NM0007 | 12 TB | 26,379 | 2,210,476 | 78 | 1.29% |
| Seagate | ST6000DX000 | 6 TB | 1,876 | 157,334 | 8 | 1.86% |
| Seagate | ST4000DM000 | 4 TB | 27,568 | 2,368,070 | 148 | 2.28% |
| Toshiba | MQ01ABF050M | 500 GB | 353 | 29,042 | 3 | 3.77% |
| WD | WD60EFRX | 6 TB | 434 | 39,374 | 5 | 4.63% |
| Seagate | ST500LM012 HN | 500 GB | 641 | 56,878 | 8 | 5.13% |
| Toshiba | MQ01ABF050 | 500 GB | 553 | 49,979 | 13 | 9.49% |
| WD | WD5000LPVX | 500 GB | 300 | 26,023 | 7 | 9.82% |
| WD | WD30EFRX | 3 TB | 183 | 6,698 | 3 | 16.35% |
| Toshiba | MG07ACA14TA | 14 TB | 22 | 1,820 | 2 | 40.11% |
| Seagate | ST8000DM004 | 8 TB | 6 | 377 | 1 | 96.82% |