WD Hard Drive Failure Rates
Lifetime failure rates for 50 WD model(s), computed from Backblaze's published dataset.
| Model | Capacity | Drive Count | Drive Days | Failures | Lifetime AFR |
|---|---|---|---|---|---|
| WD1001FALS | 1 TB | 2 | 1,366 | 0 | 0.00% |
| WD3200AAKS | 320 GB | 1 | 1,188 | 0 | 0.00% |
| WD5000AAJS | 500 GB | 1 | 327 | 0 | 0.00% |
| WD5003ABYX | 500 GB | 2 | 2,254 | 0 | 0.00% |
| WD2500BEVT | 250 GB | 1 | 1,140 | 0 | 0.00% |
| WD3200LPVX | 320 GB | 2 | 1,808 | 0 | 0.00% |
| WD15EARS | 2 TB | 3 | 1,279 | 0 | 0.00% |
| WD10EARX | 1 TB | 3 | 2,528 | 0 | 0.00% |
| WD10EALS | 1 TB | 1 | 532 | 0 | 0.00% |
| WD10EARS | 1 TB | 5 | 3,442 | 0 | 0.00% |
| WD15EADS | 2 TB | 1 | 139 | 0 | 0.00% |
| WD1000FYPS | 1 TB | 1 | 20 | 0 | 0.00% |
| WDS250G2B0A | 250 GB | 191 | 214,832 | 3 | 0.51% |
| WUH721414ALE6L4 | 14 TB | 8,872 | 17,118,941 | 254 | 0.54% |
| WUH721816ALE6L4 | 16 TB | 27,309 | 30,884,788 | 474 | 0.56% |
| WUH722222ALE6L4 | 22 TB | 46,041 | 26,618,389 | 423 | 0.58% |
| WUH722626ALE6L4 | 26 TB | 7,217 | 736,527 | 17 | 0.84% |
| WUH721816ALE6L0 | 16 TB | 3,070 | 4,931,591 | 157 | 1.16% |
| WD5000LPCX | 500 GB | 57 | 186,848 | 7 | 1.37% |
| WD5000BPKT | 500 GB | 24 | 60,657 | 3 | 1.80% |
| WD40EFRX | 4 TB | 50 | 76,828 | 4 | 1.90% |
| WD2500BPVT | 250 GB | 9 | 11,572 | 1 | 3.15% |
| WD5000LPVX | 500 GB | 350 | 862,568 | 85 | 3.60% |
| WD60EFRX | 6 TB | 499 | 689,771 | 72 | 3.81% |
| WD10EACS | 1 TB | 109 | 60,951 | 8 | 4.79% |
| WD30EFRX | 3 TB | 1,335 | 1,271,769 | 174 | 4.99% |
| Blue SA510 2.5 250GB | 250 GB | 195 | 139,196 | 20 | 5.24% |
| WD1600AAJS | 160 GB | 125 | 126,941 | 20 | 5.75% |
| WD10EADS | 1 TB | 550 | 370,505 | 64 | 6.30% |
| WD30EZRX | 3 TB | 500 | 123,577 | 22 | 6.50% |
| WD2500AAJS | 250 GB | 3 | 4,531 | 1 | 8.06% |
| WD20EFRX | 2 TB | 167 | 67,422 | 15 | 8.12% |
| WD10EADX | 1 TB | 29 | 15,597 | 4 | 9.36% |
| WUH722016CLE6L4 | 16 TB | 66 | 3,630 | 1 | 10.05% |
| WD5002ABYS | 500 GB | 6 | 5,544 | 2 | 13.17% |
| WD3200AAJS | 320 GB | 6 | 5,451 | 2 | 13.39% |
| WD3200BEKX | 320 GB | 14 | 12,685 | 5 | 14.39% |
| WD30EZRS | 3 TB | 18 | 4,424 | 2 | 16.50% |
| WD800BB | 80 GB | 56 | 23,656 | 12 | 18.52% |
| WD3200AAJB | 320 GB | 3 | 1,930 | 1 | 18.91% |
| WD800JB | 80 GB | 19 | 10,383 | 7 | 24.61% |
| WD800LB | 80 GB | 2 | 1,155 | 1 | 31.60% |
| WD2500AAJB | 250 GB | 2 | 1,116 | 1 | 32.71% |
| WD800AAJB | 80 GB | 23 | 11,018 | 11 | 36.44% |
| WD800AAJS | 80 GB | 30 | 14,703 | 15 | 37.24% |
| WD1600AAJB | 160 GB | 9 | 5,757 | 6 | 38.04% |
| WD3200BEKT | 320 GB | 1 | 782 | 1 | 46.67% |
| WD800JD | 80 GB | 1 | 763 | 1 | 47.84% |
| WD1600BPVT | 160 GB | 4 | 2,494 | 4 | 58.54% |
| WD2500JB | 250 GB | 1 | 39 | 1 | 935.90% |