Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q3 2019
42 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| HGST | HMS5C4040BLE641 | 4 TB | 1 | 92 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 11 | 1,009 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 20 | 1,840 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 33 | 3,034 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 3 | 276 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 54 | 4,967 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 92 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 18 | 1,577 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 60 | 4,700 | 0 | 0.00% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 27 | 2,484 | 0 | 0.00% |
| Seagate | ST320LT007 | 320 GB | 1 | 89 | 0 | 0.00% |
| Seagate | ST9250315AS | 250 GB | 1 | 89 | 0 | 0.00% |
| WD | WD60EFRX | 6 TB | 3 | 276 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 99 | 9,108 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 4 | 368 | 0 | 0.00% |
| HGST | HUS726040ALE610 | 4 TB | 28 | 2,576 | 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 | 40 | 3,677 | 0 | 0.00% |
| Seagate | ST8000DM004 | 8 TB | 3 | 276 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 96 | 4,734 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 7 | 256 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,838 | 0 | 0.00% |
| HGST | HUH728080ALE600 | 8 TB | 1,002 | 92,092 | 1 | 0.40% |
| HGST | HMS5C4040BLE640 | 4 TB | 12,769 | 1,173,136 | 18 | 0.56% |
| HGST | HUH721212ALN604 | 12 TB | 10,864 | 946,724 | 15 | 0.58% |
| HGST | HUH721212ALE600 | 12 TB | 1,562 | 122,200 | 2 | 0.60% |
| Toshiba | MG07ACA14TA | 14 TB | 1,222 | 112,235 | 2 | 0.65% |
| Seagate | ST10000NM0086 | 10 TB | 1,202 | 110,282 | 2 | 0.66% |
| HGST | HMS5C4040ALE640 | 4 TB | 2,725 | 245,904 | 6 | 0.89% |
| Seagate | ST8000NM0055 | 8 TB | 14,469 | 1,324,122 | 50 | 1.38% |
| Seagate | ST8000DM002 | 8 TB | 9,875 | 906,588 | 36 | 1.45% |
| Seagate | ST4000DM000 | 4 TB | 19,705 | 1,796,728 | 72 | 1.46% |
| Seagate | ST6000DX000 | 6 TB | 890 | 81,512 | 4 | 1.79% |
| WD | WD5000LPVX | 500 GB | 217 | 19,723 | 1 | 1.85% |
| Seagate | ST12000NM0007 | 12 TB | 37,536 | 3,212,635 | 361 | 4.10% |
| Toshiba | MQ01ABF050M | 500 GB | 394 | 35,351 | 5 | 5.16% |
| Seagate | ST500LM012 HN | 500 GB | 510 | 46,309 | 7 | 5.52% |
| Seagate | ST500LM030 | 500 GB | 248 | 21,447 | 9 | 15.32% |
| Seagate | ST8000DM005 | 8 TB | 25 | 2,280 | 1 | 16.01% |
| Toshiba | MQ01ABF050 | 500 GB | 501 | 44,808 | 25 | 20.36% |
| Seagate | ST12000NM0117 | 12 TB | 19 | 259 | 5 | 704.63% |