Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013 (pre-2016 releases were annual rather than quarterly). Pick a period from the list to see that period's report -- showing the most recent, Q2 2026, by default.
Q2 2026
80 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| Micron | MTFDDAK480TDS | 480 GB | 4 | 316 | 0 | 0.00% |
| Micron | MTFDDAV240TCB | 240 GB | 86 | 7,774 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 475 | 42,444 | 0 | 0.00% |
| WD | WDS250G2B0A | 250 GB | 172 | 15,530 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,819 | 0 | 0.00% |
| Seagate | ZA500CM10003 | 500 GB | 3 | 273 | 0 | 0.00% |
| Seagate | Seagate IronWolf ZA250NM10002 | 250 GB | 201 | 17,765 | 0 | 0.00% |
| Seagate | ST18000NM000J | 18 TB | 68 | 6,172 | 0 | 0.00% |
| WD | WD5000LPVX | 500 GB | 38 | 3,425 | 0 | 0.00% |
| Seagate | ST16000NM005G | 16 TB | 25 | 2,275 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 7 | 633 | 0 | 0.00% |
| Toshiba | MQ01ABF050M | 500 GB | 95 | 8,459 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 49 | 4,369 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 23 | 2,002 | 0 | 0.00% |
| Seagate | ST500LM012 HN | 500 GB | 54 | 4,838 | 0 | 0.00% |
| Samsung | Samsung SSD 850 EVO 1TB | 1 TB | 2 | 182 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 2 | 182 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 41 | 3,301 | 0 | 0.00% |
| Seagate | ST14000NM002J | 14 TB | 25 | 2,273 | 0 | 0.00% |
| HGST | HUS728T8TALE6L4 | 8 TB | 18 | 1,638 | 0 | 0.00% |
| Toshiba | MG11ACA16TE | 16 TB | 78 | 5,489 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 50 | 0 | 0.00% |
| Seagate | ST12000NM003G | 12 TB | 28 | 2,545 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 11 | 950 | 0 | 0.00% |
| Samsung | Samsung SSD 860 PRO 2TB | 2 TB | 3 | 204 | 0 | 0.00% |
| Seagate | ST12000NM0117 | 12 TB | 6 | 543 | 0 | 0.00% |
| Samsung | Samsung SSD 870 EVO 2TB | 2 TB | 1 | 91 | 0 | 0.00% |
| Micron | MTFDDAV480TCB | 480 GB | 2 | 182 | 0 | 0.00% |
| Samsung | Samsung SSD 850 PRO 1TB | 1 TB | 1 | 91 | 0 | 0.00% |
| Dell | SSDSCKKB480G8R | 480 GB | 1 | 91 | 0 | 0.00% |
| Dell | SSDSCKKB240GZR | 240 GB | 1 | 91 | 0 | 0.00% |
| Seagate | ST12000NM002H | 12 TB | 3 | 230 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 431 | 39,208 | 0 | 0.00% |
| WD | Blue SA510 2.5 250GB | 250 GB | 149 | 13,042 | 0 | 0.00% |
| Micron | MTFDDAK480TGA | 480 GB | 4 | 215 | 0 | 0.00% |
| Seagate | ZA250CM10003 | 250 GB | 1,077 | 97,347 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 98 | 8,759 | 0 | 0.00% |
| Seagate | Seagate FireCuda 120 SSD ZA500GM10001 | 500 GB | 6 | 529 | 0 | 0.00% |
| Crucial | CT250MX500SSD1 | 250 GB | 704 | 63,155 | 0 | 0.00% |
| Seagate | ST14000NM000J | 14 TB | 497 | 43,349 | 0 | 0.00% |
| Toshiba | MQ01ABF050 | 500 GB | 110 | 9,466 | 0 | 0.00% |
| Seagate | ST10000NM001G | 10 TB | 28 | 2,544 | 0 | 0.00% |
| Seagate | ST500LM030 | 500 GB | 156 | 13,910 | 0 | 0.00% |
| Seagate | ST8000NM000A | 8 TB | 239 | 21,499 | 0 | 0.00% |
| Seagate | ST12000NM000J | 12 TB | 1,079 | 97,746 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 21 | 1,615 | 0 | 0.00% |
| WD | WUH722222ALE6L4 | 22 TB | 45,665 | 4,146,339 | 63 | 0.56% |
| Toshiba | MG11ACA24TE | 24 TB | 9,620 | 824,903 | 13 | 0.57% |
| Seagate | ST16000NM001G | 16 TB | 35,100 | 3,162,117 | 57 | 0.66% |
| WD | WUH722626ALE6L4 | 26 TB | 7,212 | 462,366 | 12 | 0.95% |
| Toshiba | MG08ACA16TE | 16 TB | 6,306 | 568,379 | 16 | 1.03% |
| Toshiba | MG08ACA16TA | 16 TB | 39,932 | 3,614,263 | 102 | 1.03% |
| Toshiba | MG09ACA16TE | 16 TB | 905 | 68,429 | 2 | 1.07% |
| WD | WUH721414ALE6L4 | 14 TB | 8,635 | 783,318 | 23 | 1.07% |
| Toshiba | MG10ACA20TE | 20 TB | 25,270 | 2,117,524 | 64 | 1.10% |
| WD | WUH721816ALE6L4 | 16 TB | 26,827 | 2,432,374 | 80 | 1.20% |
| HGST | HUH721212ALE600 | 12 TB | 2,599 | 236,107 | 8 | 1.24% |
| Seagate | ST12000NM001G | 12 TB | 13,177 | 1,193,856 | 44 | 1.34% |
| Seagate | ST14000NM001G | 14 TB | 10,498 | 949,396 | 39 | 1.50% |
| Toshiba | MG07ACA14TA | 14 TB | 37,171 | 3,368,924 | 179 | 1.94% |
| Toshiba | MG07ACA14TEY | 14 TB | 989 | 89,164 | 6 | 2.46% |
| Seagate | ST8000DM002 | 8 TB | 6,903 | 563,210 | 38 | 2.46% |
| Seagate | ST16000NM000J | 16 TB | 171 | 14,221 | 1 | 2.57% |
| Seagate | ST12000NM0008 | 12 TB | 18,521 | 1,671,057 | 145 | 3.17% |
| HGST | HUH721212ALE604 | 12 TB | 13,196 | 1,190,182 | 110 | 3.37% |
| Seagate | ST16000NM002J | 16 TB | 467 | 42,086 | 4 | 3.47% |
| Seagate | ST8000NM0055 | 8 TB | 13,112 | 1,177,541 | 112 | 3.47% |
| Seagate | ST24000NM002H | 24 TB | 9,631 | 861,587 | 82 | 3.47% |
| Toshiba | MG08ACA16TEY | 16 TB | 4,857 | 439,243 | 46 | 3.82% |
| HGST | HUH728080ALE600 | 8 TB | 110 | 9,491 | 1 | 3.85% |
| Seagate | ST12000NM0007 | 12 TB | 972 | 87,496 | 10 | 4.17% |
| WD | WUH721816ALE6L0 | 16 TB | 2,970 | 268,875 | 32 | 4.34% |
| HGST | HUH728080ALE604 | 8 TB | 71 | 6,324 | 1 | 5.77% |
| Seagate | ST14000NM0018 | 14 TB | 62 | 5,582 | 1 | 6.54% |
| HGST | HUH721212ALN604 | 12 TB | 9,694 | 861,297 | 180 | 7.63% |
| Seagate | ST14000NM0138 | 14 TB | 1,235 | 110,410 | 25 | 8.27% |
| Seagate | ST10000NM0086 | 10 TB | 965 | 86,092 | 23 | 9.75% |
| WD | WUH722016CLE6L4 | 16 TB | 66 | 3,630 | 1 | 10.05% |
| Seagate | ST16000NM002H | 16 TB | 33 | 2,240 | 1 | 16.30% |
| Seagate | ST16000NM000G | 16 TB | 16 | 1,369 | 1 | 26.66% |