Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q1 2025
75 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| HGST | HUS726040ALE610 | 4 TB | 6 | 498 | 0 | 0.00% |
| Seagate | ZA500CM10003 | 500 GB | 3 | 270 | 0 | 0.00% |
| Seagate | Seagate IronWolf ZA250NM10002 | 250 GB | 145 | 12,744 | 0 | 0.00% |
| WD | WD5000LPVX | 500 GB | 59 | 5,092 | 0 | 0.00% |
| Seagate | ST16000NM000J | 16 TB | 77 | 6,677 | 0 | 0.00% |
| Seagate | ST16000NM005G | 16 TB | 25 | 2,250 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 7 | 630 | 0 | 0.00% |
| Toshiba | MQ01ABF050M | 500 GB | 145 | 12,288 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 55 | 4,939 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 29 | 2,610 | 0 | 0.00% |
| Seagate | ST500LM012 HN | 500 GB | 83 | 7,159 | 0 | 0.00% |
| Samsung | Samsung SSD 850 EVO 1TB | 1 TB | 1 | 90 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 2 | 180 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 50 | 4,381 | 0 | 0.00% |
| Seagate | ST14000NM002J | 14 TB | 4 | 360 | 0 | 0.00% |
| HGST | HUS728T8TALE6L4 | 8 TB | 19 | 1,709 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 90 | 0 | 0.00% |
| Seagate | ST12000NM003G | 12 TB | 18 | 840 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 11 | 986 | 0 | 0.00% |
| Samsung | Samsung SSD 860 PRO 2TB | 2 TB | 1 | 90 | 0 | 0.00% |
| Seagate | ST12000NM0117 | 12 TB | 7 | 629 | 0 | 0.00% |
| Micron | MTFDDAV480TCB | 480 GB | 2 | 180 | 0 | 0.00% |
| Samsung | Samsung SSD 850 PRO 1TB | 1 TB | 1 | 24 | 0 | 0.00% |
| Dell | SSDSCKKB480G8R | 480 GB | 1 | 4 | 0 | 0.00% |
| Dell | SSDSCKKB240GZR | 240 GB | 1 | 90 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 431 | 38,778 | 0 | 0.00% |
| WD | Blue SA510 2.5 250GB | 250 GB | 137 | 11,874 | 0 | 0.00% |
| Micron | MTFDDAK480TDS | 480 GB | 3 | 270 | 0 | 0.00% |
| HGST | HMS5C4040ALE640 | 4 TB | 264 | 22,302 | 0 | 0.00% |
| Seagate | ST4000DM000 | 4 TB | 2 | 144 | 0 | 0.00% |
| Seagate | ZA250CM10003 | 250 GB | 1,085 | 97,408 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 100 | 8,996 | 0 | 0.00% |
| Toshiba | MG09ACA16TE | 16 TB | 98 | 4,568 | 0 | 0.00% |
| Seagate | Seagate FireCuda 120 SSD ZA500GM10001 | 500 GB | 6 | 540 | 0 | 0.00% |
| Crucial | CT250MX500SSD1 | 250 GB | 709 | 63,204 | 0 | 0.00% |
| Seagate | ST14000NM000J | 14 TB | 277 | 22,369 | 0 | 0.00% |
| Toshiba | MQ01ABF050 | 500 GB | 153 | 13,411 | 0 | 0.00% |
| Seagate | ST10000NM001G | 10 TB | 28 | 2,519 | 0 | 0.00% |
| Seagate | ST500LM030 | 500 GB | 174 | 15,511 | 0 | 0.00% |
| Seagate | ST8000NM000A | 8 TB | 247 | 22,225 | 0 | 0.00% |
| Seagate | ST12000NM000J | 12 TB | 918 | 74,446 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 24 | 2,158 | 0 | 0.00% |
| Micron | MTFDDAV240TCB | 240 GB | 86 | 7,740 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 493 | 44,070 | 0 | 0.00% |
| WD | WDS250G2B0A | 250 GB | 176 | 15,597 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,799 | 0 | 0.00% |
| HGST | HUH721212ALE600 | 12 TB | 2,608 | 234,542 | 2 | 0.31% |
| HGST | HMS5C4040BLE640 | 4 TB | 4,121 | 324,039 | 3 | 0.34% |
| Seagate | ST16000NM001G | 16 TB | 33,817 | 3,029,485 | 41 | 0.49% |
| WD | WUH721816ALE6L4 | 16 TB | 26,529 | 2,383,322 | 35 | 0.54% |
| Toshiba | MG10ACA20TE | 20 TB | 10,814 | 633,439 | 11 | 0.63% |
| WD | WUH722222ALE6L4 | 22 TB | 34,857 | 2,870,372 | 56 | 0.71% |
| Seagate | ST12000NM001G | 12 TB | 13,214 | 1,186,197 | 26 | 0.80% |
| Seagate | ST16000NM002J | 16 TB | 461 | 41,431 | 1 | 0.88% |
| Toshiba | MG08ACA16TA | 16 TB | 40,273 | 3,616,128 | 94 | 0.95% |
| WD | WUH721414ALE6L4 | 14 TB | 8,615 | 771,991 | 21 | 0.99% |
| Toshiba | MG07ACA14TEY | 14 TB | 834 | 70,137 | 2 | 1.04% |
| Seagate | ST24000NM002H | 24 TB | 3,607 | 230,406 | 7 | 1.11% |
| HGST | HUH728080ALE600 | 8 TB | 1,084 | 97,312 | 3 | 1.13% |
| Seagate | ST14000NM001G | 14 TB | 10,600 | 951,836 | 37 | 1.42% |
| Toshiba | MG07ACA14TA | 14 TB | 37,705 | 3,385,931 | 133 | 1.43% |
| WD | WUH721816ALE6L0 | 16 TB | 3,016 | 271,090 | 11 | 1.48% |
| Toshiba | MG08ACA16TEY | 16 TB | 5,174 | 464,361 | 19 | 1.49% |
| Toshiba | MG08ACA16TE | 16 TB | 5,925 | 531,040 | 23 | 1.58% |
| Seagate | ST12000NM0008 | 12 TB | 19,145 | 1,714,395 | 104 | 2.21% |
| Seagate | ST8000DM002 | 8 TB | 9,078 | 814,279 | 51 | 2.29% |
| HGST | HUH721212ALE604 | 12 TB | 13,435 | 1,197,864 | 93 | 2.83% |
| Seagate | ST8000NM0055 | 8 TB | 13,533 | 1,212,798 | 109 | 3.28% |
| Seagate | ST10000NM0086 | 10 TB | 1,036 | 92,767 | 12 | 4.72% |
| HGST | HUH721212ALN604 | 12 TB | 10,195 | 911,546 | 124 | 4.96% |
| HGST | HUH728080ALE604 | 8 TB | 80 | 7,151 | 1 | 5.10% |
| Seagate | ST14000NM0018 | 14 TB | 65 | 5,816 | 1 | 6.28% |
| Seagate | ST18000NM000J | 18 TB | 61 | 5,397 | 1 | 6.76% |
| Seagate | ST14000NM0138 | 14 TB | 1,322 | 117,692 | 22 | 6.82% |
| Seagate | ST12000NM0007 | 12 TB | 1,038 | 92,483 | 24 | 9.47% |