Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q1 2026
79 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| HGST | HMS5C4040BLE640 | 4 TB | 186 | 15,858 | 0 | 0.00% |
| Seagate | ST16000NM002J | 16 TB | 466 | 41,931 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 7 | 628 | 0 | 0.00% |
| HGST | HUH728080ALE604 | 8 TB | 78 | 6,396 | 0 | 0.00% |
| HGST | HUH728080ALE600 | 8 TB | 1,026 | 86,921 | 0 | 0.00% |
| Toshiba | MQ01ABF050M | 500 GB | 99 | 8,650 | 0 | 0.00% |
| Toshiba | HDWF180 | 8 TB | 55 | 4,759 | 0 | 0.00% |
| Seagate | ST500LM021 | 500 GB | 25 | 2,092 | 0 | 0.00% |
| Seagate | ST500LM012 HN | 500 GB | 67 | 5,010 | 0 | 0.00% |
| Samsung | Samsung SSD 850 EVO 1TB | 1 TB | 2 | 180 | 0 | 0.00% |
| Seagate | ZA2000CM10002 | 2 TB | 2 | 180 | 0 | 0.00% |
| WD | WD5000LPCX | 500 GB | 48 | 3,749 | 0 | 0.00% |
| Seagate | ST14000NM002J | 14 TB | 25 | 2,174 | 0 | 0.00% |
| HGST | HUS728T8TALE6L4 | 8 TB | 19 | 1,629 | 0 | 0.00% |
| Toshiba | MG11ACA16TE | 16 TB | 20 | 159 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 90 | 0 | 0.00% |
| Seagate | ST12000NM003G | 12 TB | 28 | 2,512 | 0 | 0.00% |
| Seagate | ZA500CM10002 | 500 GB | 11 | 910 | 0 | 0.00% |
| Seagate | ST16000NM000G | 16 TB | 17 | 1,458 | 0 | 0.00% |
| Samsung | Samsung SSD 860 PRO 2TB | 2 TB | 2 | 180 | 0 | 0.00% |
| Seagate | ST12000NM0117 | 12 TB | 6 | 540 | 0 | 0.00% |
| Samsung | Samsung SSD 870 EVO 2TB | 2 TB | 1 | 90 | 0 | 0.00% |
| Micron | MTFDDAV480TCB | 480 GB | 2 | 180 | 0 | 0.00% |
| Samsung | Samsung SSD 850 PRO 1TB | 1 TB | 1 | 90 | 0 | 0.00% |
| Dell | SSDSCKKB480G8R | 480 GB | 1 | 90 | 0 | 0.00% |
| Dell | SSDSCKKB240GZR | 240 GB | 1 | 90 | 0 | 0.00% |
| Dell | DELLBOSS VD | 480 GB | 431 | 38,653 | 0 | 0.00% |
| WD | Blue SA510 2.5 250GB | 250 GB | 147 | 12,829 | 0 | 0.00% |
| Micron | MTFDDAK480TGA | 480 GB | 1 | 61 | 0 | 0.00% |
| Micron | MTFDDAK480TDS | 480 GB | 3 | 270 | 0 | 0.00% |
| HGST | HMS5C4040ALE640 | 4 TB | 11 | 944 | 0 | 0.00% |
| Seagate | ZA250CM10003 | 250 GB | 1,075 | 96,480 | 0 | 0.00% |
| Seagate | Seagate SSD | 250 GB | 99 | 8,809 | 0 | 0.00% |
| Seagate | ST14000NM0018 | 14 TB | 62 | 5,553 | 0 | 0.00% |
| Seagate | Seagate FireCuda 120 SSD ZA500GM10001 | 500 GB | 6 | 540 | 0 | 0.00% |
| Crucial | CT250MX500SSD1 | 250 GB | 718 | 63,051 | 0 | 0.00% |
| Toshiba | MQ01ABF050 | 500 GB | 124 | 10,546 | 0 | 0.00% |
| Seagate | ST10000NM001G | 10 TB | 28 | 2,512 | 0 | 0.00% |
| Seagate | ST500LM030 | 500 GB | 162 | 14,291 | 0 | 0.00% |
| Seagate | ST8000DM005 | 8 TB | 24 | 1,893 | 0 | 0.00% |
| Micron | MTFDDAV240TCB | 240 GB | 86 | 7,717 | 0 | 0.00% |
| Seagate | ZA250CM10002 | 250 GB | 486 | 43,281 | 0 | 0.00% |
| WD | WDS250G2B0A | 250 GB | 171 | 15,207 | 0 | 0.00% |
| HGST | HUH721010ALE600 | 10 TB | 20 | 1,788 | 0 | 0.00% |
| Seagate | ZA500CM10003 | 500 GB | 3 | 270 | 0 | 0.00% |
| Seagate | Seagate IronWolf ZA250NM10002 | 250 GB | 192 | 16,540 | 0 | 0.00% |
| Seagate | ST18000NM000J | 18 TB | 68 | 5,554 | 0 | 0.00% |
| WD | WD5000LPVX | 500 GB | 39 | 3,429 | 0 | 0.00% |
| Seagate | ST16000NM005G | 16 TB | 25 | 2,250 | 0 | 0.00% |
| Toshiba | MG11ACA24TE | 24 TB | 7,203 | 495,387 | 3 | 0.22% |
| WD | WUH721414ALE6L4 | 14 TB | 8,640 | 776,557 | 7 | 0.33% |
| Seagate | ST12000NM000J | 12 TB | 1,087 | 96,887 | 1 | 0.38% |
| WD | WUH722222ALE6L4 | 22 TB | 45,638 | 3,992,942 | 42 | 0.38% |
| Seagate | ST16000NM001G | 16 TB | 34,729 | 3,098,105 | 44 | 0.52% |
| WD | WUH722626ALE6L4 | 26 TB | 3,604 | 182,471 | 4 | 0.80% |
| Seagate | ST14000NM001G | 14 TB | 10,519 | 944,400 | 21 | 0.81% |
| Toshiba | MG10ACA20TE | 20 TB | 20,451 | 1,665,263 | 42 | 0.92% |
| WD | WUH721816ALE6L4 | 16 TB | 26,801 | 2,402,732 | 64 | 0.97% |
| Seagate | ST14000NM000J | 14 TB | 433 | 37,258 | 1 | 0.98% |
| Toshiba | MG09ACA16TE | 16 TB | 506 | 36,988 | 1 | 0.99% |
| Seagate | ST12000NM001G | 12 TB | 13,216 | 1,185,545 | 33 | 1.02% |
| Toshiba | MG07ACA14TA | 14 TB | 37,263 | 3,343,724 | 94 | 1.03% |
| Toshiba | MG08ACA16TA | 16 TB | 40,036 | 3,548,250 | 102 | 1.05% |
| Seagate | ST8000NM0055 | 8 TB | 13,232 | 1,176,619 | 39 | 1.21% |
| HGST | HUH721212ALE600 | 12 TB | 2,608 | 234,350 | 8 | 1.25% |
| Toshiba | MG08ACA16TE | 16 TB | 6,264 | 553,878 | 21 | 1.38% |
| Seagate | ST8000DM002 | 8 TB | 8,910 | 639,473 | 25 | 1.43% |
| Seagate | ST8000NM000A | 8 TB | 247 | 21,552 | 1 | 1.69% |
| Toshiba | MG07ACA14TEY | 14 TB | 996 | 88,602 | 5 | 2.06% |
| Toshiba | MG08ACA16TEY | 16 TB | 4,885 | 435,063 | 26 | 2.18% |
| HGST | HUH721212ALE604 | 12 TB | 13,277 | 1,183,774 | 86 | 2.65% |
| Seagate | ST12000NM0008 | 12 TB | 18,650 | 1,664,558 | 129 | 2.83% |
| WD | WUH721816ALE6L0 | 16 TB | 2,994 | 267,868 | 24 | 3.27% |
| Seagate | ST24000NM002H | 24 TB | 9,605 | 820,090 | 74 | 3.29% |
| Seagate | ST16000NM000J | 16 TB | 129 | 10,117 | 1 | 3.61% |
| HGST | HUH721212ALN604 | 12 TB | 9,780 | 870,252 | 95 | 3.98% |
| Seagate | ST12000NM0007 | 12 TB | 983 | 87,389 | 11 | 4.59% |
| Seagate | ST10000NM0086 | 10 TB | 981 | 86,667 | 11 | 4.63% |
| Seagate | ST14000NM0138 | 14 TB | 1,251 | 111,709 | 15 | 4.90% |