Quarterly Reports
Every reporting period Backblaze has published Drive Stats for, back to 2013.
Q4 2016
57 model(s) reported this period.
Brand
Capacity
| Brand | Model | Capacity | Drive Count | Drive Days | Failures | AFR |
|---|---|---|---|---|---|---|
| WD | WD2500BEVT | 250 GB | 1 | 92 | 0 | 0.00% |
| Seagate | ST3160316AS | 160 GB | 40 | 3,535 | 0 | 0.00% |
| WD | WD2500BPVT | 250 GB | 8 | 736 | 0 | 0.00% |
| WD | WD5002ABYS | 500 GB | 3 | 215 | 0 | 0.00% |
| WD | WD2500AAJS | 250 GB | 3 | 276 | 0 | 0.00% |
| Seagate | ST8000NM0055 | 8 TB | 60 | 1,560 | 0 | 0.00% |
| WD | WD5003ABYX | 500 GB | 2 | 184 | 0 | 0.00% |
| Hitachi | HDT725025VLA380 | 250 GB | 1 | 92 | 0 | 0.00% |
| WD | WD40EFRX | 4 TB | 46 | 4,232 | 0 | 0.00% |
| WD | WD20EFRX | 2 TB | 3 | 65 | 0 | 0.00% |
| WD | WD3200BEKX | 320 GB | 9 | 828 | 0 | 0.00% |
| Seagate | ST3500320AS | 500 GB | 1 | 92 | 0 | 0.00% |
| Toshiba | MD04ABA500V | 5 TB | 45 | 4,140 | 0 | 0.00% |
| Toshiba | MD04ABA400V | 4 TB | 146 | 13,432 | 0 | 0.00% |
| Seagate | ST4000DX002 | 4 TB | 3 | 230 | 0 | 0.00% |
| WD | WD1000FYPS | 1 TB | 1 | 8 | 0 | 0.00% |
| Seagate | ST6000DM001 | 6 TB | 5 | 249 | 0 | 0.00% |
| Toshiba | MQ01ABF050 | 500 GB | 99 | 6,815 | 0 | 0.00% |
| WD | WD5000BPKT | 500 GB | 24 | 2,208 | 0 | 0.00% |
| HGST | HUH728080ALE600 | 8 TB | 45 | 4,140 | 0 | 0.00% |
| Seagate | ST1000LM024 HN | 1 TB | 1 | 59 | 0 | 0.00% |
| Seagate | ST31500541AS | 2 TB | 41 | 3,239 | 0 | 0.00% |
| Hitachi | HDS722020ALA330 | 2 TB | 230 | 5,119 | 0 | 0.00% |
| WD | WD10EADS | 1 TB | 131 | 1,040 | 0 | 0.00% |
| Seagate | ST33000651AS | 3 TB | 1 | 79 | 0 | 0.00% |
| WD | WD10EACS | 1 TB | 23 | 180 | 0 | 0.00% |
| WD | WD10EADX | 1 TB | 7 | 56 | 0 | 0.00% |
| Toshiba | DT01ACA300 | 3 TB | 46 | 4,232 | 0 | 0.00% |
| Hitachi | HDS723030BLE640 | 3 TB | 9 | 828 | 0 | 0.00% |
| WD | WD10EALS | 1 TB | 1 | 8 | 0 | 0.00% |
| WD | WD10EARS | 1 TB | 2 | 20 | 0 | 0.00% |
| Hitachi | HDS5C3030BLE630 | 3 TB | 1 | 92 | 0 | 0.00% |
| WD | WD1001FALS | 1 TB | 1 | 8 | 0 | 0.00% |
| HGST | HDS724040ALE640 | 4 TB | 43 | 3,956 | 0 | 0.00% |
| Seagate | ST3160318AS | 160 GB | 16 | 1,260 | 0 | 0.00% |
| WD | WD3200LPVX | 320 GB | 1 | 92 | 0 | 0.00% |
| WD | WD1600BPVT | 160 GB | 1 | 92 | 0 | 0.00% |
| Seagate | ST9250315AS | 250 GB | 52 | 4,678 | 0 | 0.00% |
| Seagate | ST250LM004 HN | 250 GB | 31 | 2,852 | 0 | 0.00% |
| Seagate | ST9320325AS | 320 GB | 23 | 2,116 | 0 | 0.00% |
| WD | WD3200AAJS | 320 GB | 3 | 276 | 0 | 0.00% |
| HGST | HMS5C4040ALE640 | 4 TB | 7,066 | 648,393 | 9 | 0.51% |
| Hitachi | HDS5C4040ALE630 | 4 TB | 2,706 | 248,579 | 4 | 0.59% |
| HGST | HMS5C4040BLE640 | 4 TB | 9,421 | 809,119 | 14 | 0.63% |
| Hitachi | HDS5C3030ALA630 | 3 TB | 4,492 | 412,752 | 13 | 1.15% |
| WD | WD5000LPVX | 500 GB | 329 | 30,121 | 1 | 1.21% |
| Seagate | ST8000DM002 | 8 TB | 8,689 | 663,697 | 29 | 1.59% |
| Seagate | ST6000DX000 | 6 TB | 1,897 | 173,720 | 8 | 1.68% |
| Seagate | ST500LM012 HN | 500 GB | 789 | 71,005 | 4 | 2.06% |
| Seagate | ST4000DM000 | 4 TB | 34,970 | 3,196,552 | 234 | 2.67% |
| WD | WD30EFRX | 3 TB | 1,111 | 100,259 | 9 | 3.28% |
| Hitachi | HDS723030ALA640 | 3 TB | 987 | 90,415 | 9 | 3.63% |
| WD | WD60EFRX | 6 TB | 451 | 41,304 | 5 | 4.42% |
| WD | WD1600AAJS | 160 GB | 87 | 7,669 | 1 | 4.76% |
| WD | WD5000LPCX | 500 GB | 47 | 4,235 | 1 | 8.62% |
| Seagate | ST4000DX000 | 4 TB | 192 | 17,354 | 7 | 14.72% |
| Seagate | ST320LT007 | 320 GB | 10 | 863 | 1 | 42.29% |