Quarterly Reports

Every reporting period Backblaze has published Drive Stats for, back to 2013.

2014

79 model(s) reported this period.

Brand
Capacity
AFR range
0.0%936.5%
79 / 79 shown
Brand Model Capacity Drive Count Drive Days Failures AFR
WD WD10EALS 1 TB 1 296 0 0.00%
WD WD5000BPKT 500 GB 24 7,618 0 0.00%
Seagate ST6000DX000 6 TB 45 6,390 0 0.00%
WD WD10EARX 1 TB 3 1,089 0 0.00%
WD WD10EARS 1 TB 5 1,591 0 0.00%
Seagate ST1500DM003 2 TB 5 1,162 0 0.00%
Seagate ST3500320AS 500 GB 1 124 0 0.00%
WD WD3200BEKX 320 GB 13 1,901 0 0.00%
WD WD40EFRX 4 TB 45 13,500 0 0.00%
WD WD5000LPVX 500 GB 172 31,597 0 0.00%
WD WD3200AAKS 320 GB 1 320 0 0.00%
WD WD800JD 80 GB 1 316 0 0.00%
WD WD5000AAJS 500 GB 1 320 0 0.00%
Hitachi HDT725025VLA380 250 GB 1 319 0 0.00%
WD WD5003ABYX 500 GB 2 484 0 0.00%
Hitachi HDT721010SLA360 1 TB 15 1,009 0 0.00%
WD WD2500BEVT 250 GB 1 316 0 0.00%
WD WD2500AAJS 250 GB 3 758 0 0.00%
WD WD5002ABYS 500 GB 6 1,677 0 0.00%
WD WD3200BEKT 320 GB 1 320 0 0.00%
WD WD800LB 80 GB 2 640 0 0.00%
WD WD3200AAJB 320 GB 3 957 0 0.00%
WD WD800JB 80 GB 19 6,005 0 0.00%
WD WD3200LPVX 320 GB 2 581 0 0.00%
HGST HDS724040ALE640 4 TB 43 15,008 0 0.00%
Seagate ST2000VN000 2 TB 5 1,482 0 0.00%
WD WD1001FALS 1 TB 2 721 0 0.00%
Hitachi HDS723030BLE640 3 TB 10 3,326 0 0.00%
Hitachi HDS5C3030BLE630 3 TB 1 364 0 0.00%
Seagate ST1500DL001 2 TB 2 558 0 0.00%
WD WD15EARS 2 TB 2 407 0 0.00%
Samsung HD103UJ 1 TB 14 770 0 0.00%
HGST HMS5C4040BLE640 4 TB 3,115 702,397 10 0.52%
Hitachi HDS5C3030ALA630 3 TB 4,623 1,663,064 27 0.59%
Hitachi HDS5C4040ALE630 4 TB 2,673 926,934 23 0.91%
Hitachi HDS722020ALA330 2 TB 4,737 1,702,723 50 1.07%
Seagate ST4000DX000 4 TB 179 64,908 2 1.13%
HGST HMS5C4040ALE640 4 TB 7,167 906,814 35 1.41%
Seagate ST500LM012 HN 500 GB 186 16,394 1 2.23%
Hitachi HDS723030ALA640 3 TB 1,039 369,628 23 2.27%
Seagate ST4000DM000 4 TB 12,920 3,371,578 237 2.57%
WD WD60EFRX 6 TB 272 11,879 1 3.07%
Seagate ST250LM004 HN 250 GB 38 11,596 1 3.15%
Seagate ST9250315AS 250 GB 64 20,099 2 3.63%
Toshiba DT01ACA300 3 TB 58 19,832 2 3.68%
WD WD10EADS 1 TB 535 168,368 18 3.90%
WD WD10EADX 1 TB 29 8,385 1 4.35%
WD WD800AAJS 80 GB 30 7,746 1 4.71%
Seagate ST33000651AS 3 TB 334 106,508 14 4.80%
Seagate ST9320325AS 320 GB 25 7,411 1 4.92%
WD WD10EACS 1 TB 109 28,011 4 5.21%
WD WD1600AAJS 160 GB 122 32,297 5 5.65%
WD WD30EFRX 3 TB 1,050 231,556 44 6.94%
Seagate ST3160316AS 160 GB 64 19,109 4 7.64%
Seagate ST3160318AS 160 GB 53 16,317 4 8.95%
WD WD800BB 80 GB 56 16,087 4 9.08%
Seagate ST31500541AS 2 TB 1,949 621,143 162 9.52%
Hitachi HDS723020BLA642 2 TB 10 3,481 1 10.48%
WD WD30EZRX 3 TB 400 25,330 8 11.53%
Seagate ST320LT007 320 GB 95 28,979 10 12.60%
WD WD2500BPVT 250 GB 9 2,840 1 12.85%
Seagate ST32000542AS 2 TB 292 48,938 18 13.43%
WD WD1600AAJB 160 GB 9 2,659 1 13.73%
WD WD3200AAJS 320 GB 6 1,716 1 21.27%
WD WD20EFRX 2 TB 31 3,212 2 22.73%
WD WD800AAJB 80 GB 23 6,299 4 23.18%
Seagate ST31500341AS 2 TB 574 141,152 91 23.53%
Samsung HD154UI 2 TB 4 1,146 1 31.85%
Seagate ST3000DM001 3 TB 4,350 1,142,159 1348 43.08%
Seagate ST2000DL001 2 TB 2 694 1 52.59%
WD WD30EZRS 3 TB 15 690 1 52.90%
WD WD2500AAJB 250 GB 2 599 1 60.94%
Seagate ST1500DL003 2 TB 55 14,376 26 66.01%
Seagate ST2000DL003 2 TB 2 546 1 66.85%
Seagate ST2000DM001 2 TB 7 512 1 71.29%
Seagate ST250LT007 250 GB 9 1,895 4 77.05%
WD WD1600BPVT 160 GB 4 917 2 79.61%
Seagate ST320005XXXX 2 TB 15 1,525 5 119.67%
WD WD2500JB 250 GB 1 39 1 935.90%