Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q2 2025
74 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| Seagate | ZA2000CM10002 | 2 TB | 2 | 182 | 0 | 0.00% |
| WD | WD5000LPVX | 500 GB | 40 | 3,571 | 0 | 0.00% |
| Seagate | ST16000NM000J | 16 TB | 76 | 6,886 | 0 | 0.00% |
| Seagate | ST16000NM005G | 16 TB | 25 | 2,275 | 0 | 0.00% |
| Seagate | ST16000NM002J | 16 TB | 460 | 41,860 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 7 | 636 | 0 | 0.00% |
| HGST | HUH728080ALE604 | 8 TB | 79 | 7,186 | 0 | 0.00% |
| Toshiba | MQ01ABF050M | 500 GB | 123 | 10,254 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 55 | 4,990 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 29 | 2,550 | 0 | 0.00% |
| Seagate | ST500LM012 HN | 500 GB | 74 | 6,667 | 0 | 0.00% |
| Samsung | Samsung SSD 850 EVO 1TB | 1 TB | 2 | 163 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 48 | 4,368 | 0 | 0.00% |
| Seagate | ST14000NM002J | 14 TB | 5 | 422 | 0 | 0.00% |
| HGST | HUS728T8TALE6L4 | 8 TB | 19 | 1,729 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 91 | 0 | 0.00% |
| Seagate | ST12000NM003G | 12 TB | 16 | 1,456 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 11 | 1,001 | 0 | 0.00% |
| Samsung | Samsung SSD 860 PRO 2TB | 2 TB | 2 | 162 | 0 | 0.00% |
| Seagate | ST12000NM0117 | 12 TB | 7 | 637 | 0 | 0.00% |
| Samsung | Samsung SSD 870 EVO 2TB | 2 TB | 1 | 72 | 0 | 0.00% |
| Micron | MTFDDAV480TCB | 480 GB | 2 | 180 | 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% |
| Dell | DELLBOSS VD | 480 GB | 432 | 39,212 | 0 | 0.00% |
| WD | Blue SA510 2.5 250GB | 250 GB | 145 | 12,797 | 0 | 0.00% |
| Micron | MTFDDAK480TDS | 480 GB | 3 | 273 | 0 | 0.00% |
| HGST | HMS5C4040ALE640 | 4 TB | 11 | 990 | 0 | 0.00% |
| Seagate | ZA250CM10003 | 250 GB | 1,072 | 97,089 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 100 | 8,932 | 0 | 0.00% |
| Seagate | ST14000NM0018 | 14 TB | 64 | 5,787 | 0 | 0.00% |
| Seagate | Seagate FireCuda 120 SSD ZA500GM10001 | 500 GB | 6 | 541 | 0 | 0.00% |
| Crucial | CT250MX500SSD1 | 250 GB | 709 | 63,750 | 0 | 0.00% |
| Toshiba | MQ01ABF050 | 500 GB | 137 | 12,216 | 0 | 0.00% |
| Seagate | ST10000NM001G | 10 TB | 28 | 2,544 | 0 | 0.00% |
| Seagate | ST500LM030 | 500 GB | 171 | 15,410 | 0 | 0.00% |
| Seagate | ST8000NM000A | 8 TB | 247 | 22,433 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 24 | 2,184 | 0 | 0.00% |
| Micron | MTFDDAV240TCB | 240 GB | 86 | 7,790 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 488 | 44,077 | 0 | 0.00% |
| WD | WDS250G2B0A | 250 GB | 167 | 15,170 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,818 | 0 | 0.00% |
| Seagate | ZA500CM10003 | 500 GB | 3 | 273 | 0 | 0.00% |
| Seagate | Seagate IronWolf ZA250NM10002 | 250 GB | 154 | 13,411 | 0 | 0.00% |
| Seagate | ST18000NM000J | 18 TB | 60 | 5,400 | 0 | 0.00% |
| HGST | HUH721212ALE600 | 12 TB | 2,608 | 237,117 | 2 | 0.31% |
| Seagate | ST12000NM000J | 12 TB | 980 | 85,277 | 1 | 0.43% |
| WD | WUH721816ALE6L4 | 16 TB | 26,545 | 2,403,249 | 31 | 0.47% |
| WD | WUH722222ALE6L4 | 22 TB | 37,247 | 3,241,771 | 46 | 0.52% |
| Seagate | ST16000NM001G | 16 TB | 33,963 | 3,078,040 | 49 | 0.58% |
| Toshiba | MG10ACA20TE | 20 TB | 14,422 | 1,203,686 | 20 | 0.61% |
| WD | WUH721414ALE6L4 | 14 TB | 8,635 | 780,029 | 15 | 0.70% |
| HGST | HUH728080ALE600 | 8 TB | 1,081 | 97,243 | 2 | 0.75% |
| Toshiba | MG07ACA14TA | 14 TB | 37,570 | 3,400,212 | 107 | 1.15% |
| Toshiba | MG08ACA16TA | 16 TB | 40,250 | 3,650,278 | 115 | 1.15% |
| Seagate | ST12000NM001G | 12 TB | 13,290 | 1,197,725 | 39 | 1.19% |
| Seagate | ST14000NM001G | 14 TB | 10,614 | 956,403 | 33 | 1.26% |
| Seagate | ST14000NM000J | 14 TB | 301 | 26,204 | 1 | 1.39% |
| Seagate | ST8000DM002 | 8 TB | 9,027 | 819,550 | 40 | 1.78% |
| Toshiba | MG07ACA14TEY | 14 TB | 917 | 78,967 | 4 | 1.85% |
| Toshiba | MG08ACA16TE | 16 TB | 5,947 | 535,404 | 31 | 2.11% |
| HGST | HMS5C4040BLE640 | 4 TB | 188 | 16,893 | 1 | 2.16% |
| Seagate | ST8000NM0055 | 8 TB | 13,424 | 1,215,170 | 73 | 2.19% |
| WD | WUH721816ALE6L0 | 16 TB | 3,006 | 272,497 | 17 | 2.28% |
| Seagate | ST24000NM002H | 24 TB | 6,029 | 432,651 | 28 | 2.36% |
| Toshiba | MG08ACA16TEY | 16 TB | 5,158 | 466,977 | 33 | 2.58% |
| Toshiba | MG09ACA16TE | 16 TB | 164 | 12,700 | 1 | 2.87% |
| Seagate | ST12000NM0008 | 12 TB | 19,041 | 1,718,302 | 138 | 2.93% |
| HGST | HUH721212ALN604 | 12 TB | 10,070 | 903,548 | 84 | 3.39% |
| HGST | HUH721212ALE604 | 12 TB | 13,468 | 1,207,348 | 115 | 3.48% |
| Seagate | ST12000NM0007 | 12 TB | 1,014 | 91,801 | 9 | 3.58% |
| Seagate | ST14000NM0138 | 14 TB | 1,300 | 116,900 | 14 | 4.37% |
| Seagate | ST10000NM0086 | 10 TB | 1,026 | 92,392 | 12 | 4.74% |