Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q1 2018
51 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| Seagate | ST9320325AS | 320 GB | 19 | 1,707 | 0 | 0.00% |
| WD | WD1600BPVT | 160 GB | 1 | 90 | 0 | 0.00% |
| Seagate | ST9250315AS | 250 GB | 45 | 3,935 | 0 | 0.00% |
| Seagate | ST250LM004 HN | 250 GB | 24 | 1,804 | 0 | 0.00% |
| Toshiba | MD04ABA500V | 5 TB | 45 | 4,050 | 0 | 0.00% |
| WD | WD3200AAJS | 320 GB | 2 | 180 | 0 | 0.00% |
| Seagate | ST3160316AS | 160 GB | 12 | 921 | 0 | 0.00% |
| WD | WD2500BPVT | 250 GB | 5 | 291 | 0 | 0.00% |
| WD | WD2500AAJS | 250 GB | 3 | 218 | 0 | 0.00% |
| WD | WD3200AAKS | 320 GB | 1 | 59 | 0 | 0.00% |
| WD | WD40EFRX | 4 TB | 45 | 4,050 | 0 | 0.00% |
| WD | WD3200BEKX | 320 GB | 2 | 180 | 0 | 0.00% |
| WD | WD60EFRX | 6 TB | 437 | 39,201 | 0 | 0.00% |
| Seagate | ST10000NM0086 | 10 TB | 1,220 | 109,738 | 0 | 0.00% |
| Seagate | ST6000DM004 | 6 TB | 2 | 178 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 5 | 439 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 21 | 1,409 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 20 | 400 | 0 | 0.00% |
| Toshiba | HDWE160 | 6 TB | 1 | 90 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 56 | 5,028 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 85 | 0 | 0.00% |
| Seagate | ST31500541AS | 2 TB | 39 | 3,360 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 15 | 1,348 | 0 | 0.00% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 2,393 | 123,504 | 0 | 0.00% |
| Seagate | ST33000651AS | 3 TB | 1 | 88 | 0 | 0.00% |
| HGST | HDS724040ALE640 | 4 TB | 3 | 270 | 0 | 0.00% |
| Seagate | ST320LT007 | 320 GB | 9 | 808 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 146 | 13,090 | 0 | 0.00% |
| Seagate | ST3160318AS | 160 GB | 5 | 217 | 0 | 0.00% |
| WD | WD3200LPVX | 320 GB | 1 | 90 | 0 | 0.00% |
| Seagate | ST6000DX000 | 6 TB | 1,882 | 169,017 | 1 | 0.22% |
| HGST | HMS5C4040BLE640 | 4 TB | 15,374 | 1,363,173 | 16 | 0.43% |
| HGST | HMS5C4040ALE640 | 4 TB | 6,237 | 505,045 | 8 | 0.58% |
| HGST | HUH728080ALE600 | 8 TB | 1,048 | 94,024 | 2 | 0.78% |
| Seagate | ST8000NM0055 | 8 TB | 14,418 | 1,293,557 | 28 | 0.79% |
| Seagate | ST8000DM002 | 8 TB | 9,912 | 888,774 | 21 | 0.86% |
| Seagate | ST12000NM0007 | 12 TB | 16,833 | 1,296,465 | 32 | 0.90% |
| Toshiba | MQ01ABF050M | 500 GB | 219 | 17,008 | 1 | 2.15% |
| Seagate | ST4000DM001 | 4 TB | 392 | 16,832 | 1 | 2.17% |
| WD | WD30EFRX | 3 TB | 181 | 16,200 | 1 | 2.25% |
| Seagate | ST4000DM000 | 4 TB | 32,091 | 2,822,282 | 178 | 2.30% |
| Seagate | ST500LM012 HN | 500 GB | 703 | 60,601 | 7 | 4.22% |
| WD | WD5000LPVX | 500 GB | 314 | 27,694 | 4 | 5.27% |
| Toshiba | MQ01ABF050 | 500 GB | 551 | 46,770 | 8 | 6.24% |
| WD | WD1600AAJS | 160 GB | 42 | 3,549 | 1 | 10.29% |
| Seagate | ST4000DM005 | 4 TB | 72 | 5,906 | 2 | 12.36% |
| HGST | HUS726040ALE610 | 4 TB | 31 | 2,699 | 2 | 27.05% |
| Hitachi | HDS722020ALA330 | 2 TB | 109 | 2,425 | 5 | 75.26% |
| Seagate | ST4000DX002 | 4 TB | 5 | 402 | 4 | 363.18% |
| Samsung | Samsung SSD 850 EVO 1TB | 1 TB | 10 | 234 | 10 | 1559.83% |
| Hitachi | HDS5C3030ALA630 | 3 TB | 1 | 7 | 1 | 5214.29% |