Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
2013
40 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| WD | WD15EADS | 2 TB | 1 | 139 | 0 | 0.00% |
| Seagate | ST2000DM001 | 2 TB | 8 | 1,602 | 0 | 0.00% |
| Hitachi | HDS5C3030BLE630 | 3 TB | 1 | 210 | 0 | 0.00% |
| WD | WD1001FALS | 1 TB | 1 | 210 | 0 | 0.00% |
| WD | WD10EACS | 1 TB | 109 | 18,684 | 0 | 0.00% |
| WD | WD15EARS | 2 TB | 3 | 559 | 0 | 0.00% |
| WD | WD10EARS | 1 TB | 4 | 840 | 0 | 0.00% |
| WD | WD10EADX | 1 TB | 20 | 3,742 | 0 | 0.00% |
| Seagate | ST1500DM003 | 2 TB | 5 | 1,008 | 0 | 0.00% |
| Seagate | ST1500DL001 | 2 TB | 2 | 420 | 0 | 0.00% |
| Seagate | ST2000VN000 | 2 TB | 4 | 356 | 0 | 0.00% |
| HGST | HDS724040ALE640 | 4 TB | 42 | 3,276 | 0 | 0.00% |
| Hitachi | HDS723030BLE640 | 3 TB | 10 | 1,564 | 0 | 0.00% |
| Hitachi | HDT721010SLA360 | 1 TB | 15 | 3,150 | 0 | 0.00% |
| Samsung | HD103UJ | 1 TB | 14 | 2,940 | 0 | 0.00% |
| Samsung | HD154UI | 2 TB | 4 | 402 | 0 | 0.00% |
| WD | WD10EALS | 1 TB | 1 | 210 | 0 | 0.00% |
| WD | WD10EARX | 1 TB | 3 | 630 | 0 | 0.00% |
| Hitachi | HDS5C3030ALA630 | 3 TB | 4,621 | 962,450 | 26 | 0.99% |
| Hitachi | HDS723030ALA640 | 3 TB | 1,034 | 216,033 | 6 | 1.01% |
| Hitachi | HDS722020ALA330 | 2 TB | 4,753 | 993,166 | 28 | 1.03% |
| Seagate | ST4000DX000 | 4 TB | 180 | 32,726 | 1 | 1.11% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 2,703 | 508,293 | 23 | 1.65% |
| WD | WD30EFRX | 3 TB | 355 | 38,534 | 4 | 3.79% |
| HGST | HMS5C4040ALE640 | 4 TB | 48 | 9,481 | 1 | 3.85% |
| Seagate | ST4000DM000 | 4 TB | 5,525 | 419,819 | 48 | 4.17% |
| WD | WD10EADS | 1 TB | 550 | 102,179 | 12 | 4.29% |
| WD | WD30EZRX | 3 TB | 489 | 98,204 | 14 | 5.20% |
| Seagate | ST33000651AS | 3 TB | 309 | 63,356 | 12 | 6.91% |
| Toshiba | DT01ACA300 | 3 TB | 60 | 10,534 | 2 | 6.93% |
| Seagate | ST32000542AS | 2 TB | 381 | 64,670 | 14 | 7.90% |
| WD | WD30EZRS | 3 TB | 18 | 3,734 | 1 | 9.78% |
| Seagate | ST3000DM001 | 3 TB | 4,658 | 938,495 | 254 | 9.88% |
| Seagate | ST31500541AS | 2 TB | 2,187 | 426,693 | 123 | 10.52% |
| Seagate | ST320005XXXX | 2 TB | 17 | 3,440 | 1 | 10.61% |
| Hitachi | HDS723020BLA642 | 2 TB | 9 | 1,611 | 1 | 22.66% |
| Seagate | ST31500341AS | 2 TB | 785 | 142,602 | 91 | 23.29% |
| Seagate | ST1500DL003 | 2 TB | 116 | 14,333 | 51 | 129.88% |
| Seagate | ST2000DL001 | 2 TB | 12 | 657 | 4 | 222.22% |
| Seagate | ST2000DL003 | 2 TB | 15 | 549 | 7 | 465.39% |