Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q4 2021
62 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| WD | WD5000BPKT | 500 GB | 9 | 828 | 0 | 0.00% |
| HGST | HMS5C4040BLE641 | 4 TB | 1 | 92 | 0 | 0.00% |
| Seagate | ST4000DM005 | 4 TB | 38 | 3,495 | 0 | 0.00% |
| Seagate | ST6000DM004 | 6 TB | 1 | 92 | 0 | 0.00% |
| Seagate | ST18000NM000J | 18 TB | 60 | 5,520 | 0 | 0.00% |
| WD | WD5000LPVX | 500 GB | 195 | 17,940 | 0 | 0.00% |
| Seagate | ST16000NM005G | 16 TB | 26 | 2,392 | 0 | 0.00% |
| HGST | HUH728080ALE604 | 8 TB | 5 | 220 | 0 | 0.00% |
| Toshiba | HDWE160 | 6 TB | 4 | 368 | 0 | 0.00% |
| HGST | HUS726040ALE610 | 4 TB | 34 | 2,653 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 4 | 368 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 97 | 8,924 | 0 | 0.00% |
| Seagate | ST6000DX000 | 6 TB | 886 | 81,512 | 0 | 0.00% |
| WD | WD60EFRX | 6 TB | 3 | 276 | 0 | 0.00% |
| HGST | HDS724040ALE640 | 4 TB | 1 | 92 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 107 | 9,818 | 0 | 0.00% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 32 | 2,944 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 250 | 21,300 | 0 | 0.00% |
| Seagate | ST12000NM0117 | 12 TB | 10 | 920 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 18 | 1,626 | 0 | 0.00% |
| Seagate | ST14000NM0018 | 14 TB | 26 | 2,160 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 92 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 52 | 4,784 | 0 | 0.00% |
| Seagate | ST10000NM001G | 10 TB | 10 | 793 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 3 | 276 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 33 | 3,036 | 0 | 0.00% |
| Seagate | ST8000NM000A | 8 TB | 43 | 3,955 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 25 | 2,300 | 0 | 0.00% |
| Micron | MTFDDAV240TCB | 240 GB | 90 | 8,280 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 18 | 1,634 | 0 | 0.00% |
| WD | WDS250G2B0A | 250 GB | 38 | 1,469 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,840 | 0 | 0.00% |
| HGST | HUH721212ALE604 | 12 TB | 13,147 | 1,172,789 | 9 | 0.28% |
| HGST | HMS5C4040BLE640 | 4 TB | 12,742 | 1,171,211 | 9 | 0.28% |
| WD | WUH721816ALE6L0 | 16 TB | 1,768 | 129,650 | 1 | 0.28% |
| HGST | HUH721212ALE600 | 12 TB | 2,602 | 239,198 | 2 | 0.30% |
| WD | WUH721414ALE6L4 | 14 TB | 8,415 | 773,327 | 7 | 0.33% |
| HGST | HUH728080ALE600 | 8 TB | 1,125 | 102,176 | 1 | 0.36% |
| Seagate | ST12000NM001G | 12 TB | 12,182 | 1,115,113 | 11 | 0.36% |
| HGST | HUH721212ALN604 | 12 TB | 10,833 | 995,534 | 15 | 0.55% |
| HGST | HMS5C4040ALE640 | 4 TB | 3,434 | 311,634 | 5 | 0.59% |
| Seagate | ZA250CM10002 | 250 GB | 563 | 51,602 | 1 | 0.71% |
| Toshiba | MG08ACA16TE | 16 TB | 5,991 | 285,737 | 6 | 0.77% |
| Seagate | ZA250CM10003 | 250 GB | 1,092 | 92,306 | 2 | 0.79% |
| Seagate | ST16000NM001G | 16 TB | 10,878 | 703,830 | 16 | 0.83% |
| Toshiba | MG08ACA16TEY | 16 TB | 2,372 | 206,467 | 5 | 0.88% |
| Toshiba | MG07ACA14TA | 14 TB | 38,300 | 3,509,990 | 88 | 0.92% |
| Seagate | ST14000NM001G | 14 TB | 10,764 | 988,135 | 27 | 1.00% |
| Seagate | ST12000NM0008 | 12 TB | 20,268 | 1,861,645 | 63 | 1.24% |
| Seagate | ST8000DM002 | 8 TB | 9,757 | 895,205 | 41 | 1.67% |
| Seagate | ST8000NM0055 | 8 TB | 14,424 | 1,321,737 | 62 | 1.71% |
| Seagate | ST4000DM000 | 4 TB | 18,712 | 1,716,148 | 102 | 2.17% |
| Toshiba | MG07ACA14TEY | 14 TB | 465 | 41,844 | 3 | 2.62% |
| Seagate | ST10000NM0086 | 10 TB | 1,201 | 109,706 | 9 | 2.99% |
| Seagate | ST14000NM0138 | 14 TB | 1,630 | 148,979 | 19 | 4.66% |
| Seagate | ST12000NM0007 | 12 TB | 1,515 | 124,524 | 17 | 4.98% |
| Seagate | ST500LM012 HN | 500 GB | 431 | 39,351 | 9 | 8.35% |
| Seagate | ST500LM030 | 500 GB | 239 | 21,319 | 7 | 11.98% |
| Toshiba | MQ01ABF050 | 500 GB | 291 | 26,282 | 10 | 13.89% |
| Toshiba | MQ01ABF050M | 500 GB | 314 | 28,072 | 17 | 22.10% |
| Toshiba | MG08ACA16TA | 16 TB | 54 | 3,934 | 4 | 37.11% |
| Crucial | CT250MX500SSD1 | 250 GB | 81 | 1,689 | 2 | 43.22% |