Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q3 2025
76 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| HGST | HMS5C4040BLE640 | 4 TB | 187 | 17,194 | 0 | 0.00% |
| Seagate | ST18000NM000J | 18 TB | 60 | 5,520 | 0 | 0.00% |
| WD | WD5000LPVX | 500 GB | 39 | 3,588 | 0 | 0.00% |
| Seagate | ST16000NM005G | 16 TB | 25 | 2,300 | 0 | 0.00% |
| Seagate | ST16000NM002J | 16 TB | 463 | 42,581 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 7 | 644 | 0 | 0.00% |
| HGST | HUH728080ALE604 | 8 TB | 79 | 7,266 | 0 | 0.00% |
| Toshiba | MQ01ABF050M | 500 GB | 108 | 9,647 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 55 | 5,052 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 27 | 2,484 | 0 | 0.00% |
| Seagate | ST500LM012 HN | 500 GB | 72 | 6,427 | 0 | 0.00% |
| Samsung | Samsung SSD 850 EVO 1TB | 1 TB | 2 | 184 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 2 | 183 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 48 | 4,416 | 0 | 0.00% |
| Seagate | ST14000NM002J | 14 TB | 25 | 995 | 0 | 0.00% |
| HGST | HUS728T8TALE6L4 | 8 TB | 19 | 1,745 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 92 | 0 | 0.00% |
| Seagate | ST12000NM003G | 12 TB | 27 | 1,835 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 11 | 1,012 | 0 | 0.00% |
| Seagate | ST16000NM000G | 16 TB | 11 | 160 | 0 | 0.00% |
| Samsung | Samsung SSD 860 PRO 2TB | 2 TB | 2 | 184 | 0 | 0.00% |
| Samsung | Samsung SSD 870 EVO 2TB | 2 TB | 1 | 92 | 0 | 0.00% |
| Micron | MTFDDAV480TCB | 480 GB | 2 | 184 | 0 | 0.00% |
| Samsung | Samsung SSD 850 PRO 1TB | 1 TB | 1 | 92 | 0 | 0.00% |
| Dell | SSDSCKKB480G8R | 480 GB | 1 | 92 | 0 | 0.00% |
| Dell | SSDSCKKB240GZR | 240 GB | 1 | 92 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 432 | 39,618 | 0 | 0.00% |
| WD | Blue SA510 2.5 250GB | 250 GB | 145 | 13,323 | 0 | 0.00% |
| Micron | MTFDDAK480TDS | 480 GB | 3 | 276 | 0 | 0.00% |
| HGST | HMS5C4040ALE640 | 4 TB | 11 | 1,012 | 0 | 0.00% |
| Seagate | ZA250CM10003 | 250 GB | 1,071 | 98,520 | 0 | 0.00% |
| Toshiba | MG11ACA24TE | 24 TB | 2,400 | 24,148 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 99 | 9,105 | 0 | 0.00% |
| Toshiba | MG09ACA16TE | 16 TB | 244 | 17,852 | 0 | 0.00% |
| Seagate | Seagate FireCuda 120 SSD ZA500GM10001 | 500 GB | 6 | 552 | 0 | 0.00% |
| Crucial | CT250MX500SSD1 | 250 GB | 717 | 65,349 | 0 | 0.00% |
| Toshiba | MQ01ABF050 | 500 GB | 132 | 12,017 | 0 | 0.00% |
| Seagate | ST10000NM001G | 10 TB | 28 | 2,544 | 0 | 0.00% |
| Seagate | ST500LM030 | 500 GB | 169 | 15,345 | 0 | 0.00% |
| Seagate | ST8000NM000A | 8 TB | 247 | 22,724 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 24 | 2,207 | 0 | 0.00% |
| Micron | MTFDDAV240TCB | 240 GB | 86 | 7,900 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 486 | 44,535 | 0 | 0.00% |
| WD | WDS250G2B0A | 250 GB | 167 | 15,364 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,825 | 0 | 0.00% |
| Seagate | ZA500CM10003 | 500 GB | 3 | 276 | 0 | 0.00% |
| Seagate | Seagate IronWolf ZA250NM10002 | 250 GB | 159 | 14,461 | 0 | 0.00% |
| WD | WUH722222ALE6L4 | 22 TB | 40,271 | 3,555,491 | 50 | 0.51% |
| Toshiba | MG10ACA20TE | 20 TB | 18,023 | 1,416,127 | 21 | 0.54% |
| Seagate | ST16000NM001G | 16 TB | 34,128 | 3,125,133 | 57 | 0.67% |
| Seagate | ST12000NM000J | 12 TB | 1,019 | 91,723 | 2 | 0.80% |
| Toshiba | MG08ACA16TA | 16 TB | 40,184 | 3,686,376 | 85 | 0.84% |
| WD | WUH721414ALE6L4 | 14 TB | 8,663 | 794,781 | 20 | 0.92% |
| Seagate | ST12000NM001G | 12 TB | 13,277 | 1,219,082 | 31 | 0.93% |
| WD | WUH721816ALE6L4 | 16 TB | 26,601 | 2,439,009 | 65 | 0.97% |
| Toshiba | MG08ACA16TE | 16 TB | 6,177 | 553,332 | 16 | 1.05% |
| Seagate | ST8000DM002 | 8 TB | 8,987 | 824,787 | 27 | 1.20% |
| Toshiba | MG07ACA14TA | 14 TB | 37,463 | 3,440,051 | 116 | 1.23% |
| HGST | HUH721212ALE600 | 12 TB | 2,615 | 239,677 | 9 | 1.37% |
| Seagate | ST14000NM001G | 14 TB | 10,596 | 972,882 | 38 | 1.43% |
| Seagate | ST8000NM0055 | 8 TB | 13,351 | 1,224,440 | 53 | 1.58% |
| HGST | HUH721212ALE604 | 12 TB | 13,417 | 1,227,006 | 65 | 1.93% |
| HGST | HUH728080ALE600 | 8 TB | 1,079 | 98,985 | 6 | 2.21% |
| WD | WUH721816ALE6L0 | 16 TB | 3,008 | 274,775 | 20 | 2.66% |
| Seagate | ST12000NM0008 | 12 TB | 18,902 | 1,728,706 | 132 | 2.79% |
| Seagate | ST24000NM002H | 24 TB | 7,245 | 601,539 | 46 | 2.79% |
| Toshiba | MG07ACA14TEY | 14 TB | 970 | 85,530 | 8 | 3.41% |
| HGST | HUH721212ALN604 | 12 TB | 9,985 | 912,361 | 109 | 4.36% |
| Seagate | ST14000NM000J | 14 TB | 392 | 31,852 | 4 | 4.58% |
| Seagate | ST16000NM000J | 16 TB | 112 | 7,847 | 1 | 4.65% |
| Seagate | ST12000NM0007 | 12 TB | 1,005 | 91,835 | 13 | 5.17% |
| Seagate | ST14000NM0138 | 14 TB | 1,286 | 117,131 | 22 | 6.86% |
| Seagate | ST10000NM0086 | 10 TB | 1,018 | 91,650 | 20 | 7.96% |
| Seagate | ST14000NM0018 | 14 TB | 64 | 5,772 | 2 | 12.65% |
| Toshiba | MG08ACA16TEY | 16 TB | 5,145 | 462,943 | 215 | 16.95% |
| Seagate | ST12000NM0117 | 12 TB | 7 | 614 | 1 | 59.45% |