Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q2 2020
44 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% |
| Toshiba | MG08ACA16TA | 16 TB | 20 | 1,820 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,820 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 10 | 910 | 0 | 0.00% |
| HGST | HUH728080ALE600 | 8 TB | 1,000 | 91,000 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 20 | 1,752 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 33 | 3,003 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 4 | 364 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 53 | 4,823 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 91 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 18 | 1,638 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 100 | 7,700 | 0 | 0.00% |
| WD | WD60EFRX | 6 TB | 3 | 273 | 0 | 0.00% |
| Seagate | ST6000DX000 | 6 TB | 886 | 80,626 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 99 | 9,009 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 4 | 364 | 0 | 0.00% |
| HGST | HUS726040ALE610 | 4 TB | 28 | 2,548 | 0 | 0.00% |
| Toshiba | HDWE160 | 6 TB | 4 | 364 | 0 | 0.00% |
| Seagate | ST6000DM004 | 6 TB | 1 | 91 | 0 | 0.00% |
| Seagate | ST4000DM005 | 4 TB | 39 | 3,549 | 0 | 0.00% |
| Seagate | ST8000DM004 | 8 TB | 2 | 182 | 0 | 0.00% |
| Seagate | ZA250CM10003 | 250 GB | 112 | 4,477 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 108 | 9,788 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 25 | 2,275 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 436 | 35,849 | 0 | 0.00% |
| HGST | HMS5C4040ALE640 | 4 TB | 2,953 | 266,200 | 1 | 0.14% |
| HGST | HMS5C4040BLE640 | 4 TB | 12,748 | 1,159,472 | 9 | 0.28% |
| HGST | HUH721212ALE600 | 12 TB | 2,604 | 200,188 | 3 | 0.55% |
| Seagate | ST10000NM0086 | 10 TB | 1,203 | 109,200 | 2 | 0.67% |
| Seagate | ST8000DM002 | 8 TB | 9,812 | 890,937 | 17 | 0.70% |
| HGST | HUH721212ALN604 | 12 TB | 10,866 | 986,674 | 19 | 0.70% |
| Seagate | ST12000NM0008 | 12 TB | 15,585 | 1,279,568 | 27 | 0.77% |
| Seagate | ST12000NM0007 | 12 TB | 37,079 | 3,319,854 | 82 | 0.90% |
| Seagate | ST8000NM0055 | 8 TB | 14,495 | 1,316,313 | 33 | 0.92% |
| Seagate | ST4000DM000 | 4 TB | 19,142 | 1,739,577 | 49 | 1.03% |
| Toshiba | MG07ACA14TA | 14 TB | 8,720 | 663,647 | 20 | 1.10% |
| Seagate | ST12000NM001G | 12 TB | 4,807 | 137,929 | 8 | 2.12% |
| Seagate | ST500LM030 | 500 GB | 246 | 22,193 | 3 | 4.93% |
| Toshiba | MQ01ABF050M | 500 GB | 409 | 36,791 | 5 | 4.96% |
| Seagate | ST16000NM001G | 16 TB | 60 | 5,431 | 1 | 6.72% |
| Seagate | ST500LM012 HN | 500 GB | 475 | 42,743 | 9 | 7.68% |
| WD | WD5000LPVX | 500 GB | 204 | 18,359 | 4 | 7.95% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 28 | 2,492 | 1 | 14.65% |
| Toshiba | MQ01ABF050 | 500 GB | 413 | 36,572 | 21 | 20.96% |