Hitachi Hard Drives
This is a list of all tested Hitachi hard drive models and their MTBFs. See more info on reliability test in the README.
Contents
HDD by Model
Please take all columns into account when reading the table. Pay attention on the number of tested samples and power-on days. Simultaneous high values of both MTBF and errors are possible if only rare drives in the subset encounter errors.
Days — avg. days per sample, Err — avg. errors per sample, MTBF — avg. MTBF in years per sample.
| MFG | Model | Size | Samples | Days | Err | MTBF |
|---|---|---|---|---|---|---|
| Hitachi | HDT721010SLA360 | 1 TB | 1 | 3782 | 0 | 10.36 |
| Hitachi | HDS725050KLA360 | 500 GB | 1 | 3763 | 0 | 10.31 |
| Hitachi | HDT721032SLA360 | 320 GB | 1 | 3534 | 0 | 9.68 |
| Hitachi | HUA7250SBSUN500G | 500 GB | 2 | 2785 | 0 | 7.63 |
| Hitachi | HDT725025VLA380 | 250 GB | 1 | 2680 | 0 | 7.34 |
| Hitachi | HUA721050KLA330 | 500 GB | 2 | 3842 | 1 | 7.02 |
| Hitachi | HDS721616PLAT80 | 160 GB | 1 | 2187 | 0 | 5.99 |
| Hitachi | HDS728080PLA380 | 82 GB | 1 | 2086 | 0 | 5.72 |
| Hitachi | HDS5C4040ALE630 | 4 TB | 21 | 2076 | 0 | 5.69 |
| Hitachi | HUA723020ALA640 | 2 TB | 2 | 1944 | 0 | 5.33 |
| Hitachi | HDS5C3030ALA630 | 3 TB | 18 | 2020 | 2 | 5.23 |
| Hitachi | HTE545050B9A300 | 500 GB | 1 | 1809 | 0 | 4.96 |
| Hitachi | HUA723020ALA641 | 2 TB | 11 | 1929 | 184 | 4.95 |
| Hitachi | HTS545016B9A300 | 160 GB | 1 | 1788 | 0 | 4.90 |
| Hitachi | HTS727550A9E364 | 500 GB | 2 | 1757 | 0 | 4.82 |
| Hitachi | HDE721010SLA330 | 1 TB | 3 | 3419 | 4 | 4.09 |
| Hitachi | HDS721075KLA330 | 752 GB | 9 | 1767 | 1 | 3.90 |
| Hitachi | HDS721032CLA362 | 320 GB | 1 | 1323 | 0 | 3.63 |
| Hitachi | HUA722020ALA330 | 2 TB | 6 | 1729 | 63 | 3.61 |
| Hitachi | HDS721010KLA330 | 1 TB | 1 | 3610 | 2 | 3.30 |
| Hitachi | HUA723030ALA640 | 3 TB | 2 | 1158 | 0 | 3.17 |
| Hitachi | HDS5C1050CLA382 | 500 GB | 1 | 1122 | 0 | 3.08 |
| Hitachi | HTS542525K9SA00 | 250 GB | 3 | 1273 | 1 | 2.88 |
| Hitachi | HDS723020BLA642 | 2 TB | 1 | 1007 | 0 | 2.76 |
| Hitachi | HUA722020ALA331 | 2 TB | 7 | 1390 | 11 | 2.63 |
| Hitachi | HTS545025B9A300 | 250 GB | 2 | 922 | 0 | 2.53 |
| Hitachi | HDS723030ALA640 | 3 TB | 1 | 828 | 0 | 2.27 |
| Hitachi | HDS722020ALA330 | 2 TB | 1 | 725 | 0 | 1.99 |
| Hitachi | HDP725025GLA380 | 250 GB | 2 | 938 | 2 | 1.89 |
| Hitachi | HTS723225L9A360 | 250 GB | 1 | 644 | 0 | 1.77 |
| Hitachi | HDS724040ALE640 | 4 TB | 1 | 614 | 0 | 1.68 |
| Hitachi | HUS724030ALE641 | 3 TB | 8 | 557 | 0 | 1.53 |
| Hitachi | HTS725050A7E630 | 500 GB | 1 | 535 | 0 | 1.47 |
| Hitachi | HTS541660J9SA00 | 64 GB | 1 | 517 | 0 | 1.42 |
| Hitachi | HDS721616PLA380 | 160 GB | 1 | 500 | 0 | 1.37 |
| Hitachi | HDT725032VLA380 | 320 GB | 2 | 441 | 0 | 1.21 |
| Hitachi | HDS721050CLA362 | 500 GB | 2 | 426 | 0 | 1.17 |
| Hitachi | HTS723220L9A360 | 200 GB | 1 | 401 | 0 | 1.10 |
| Hitachi | HTS721060G9SA00 | 64 GB | 1 | 1545 | 3 | 1.06 |
| Hitachi | HTS545025B9SA02 | 250 GB | 3 | 544 | 196 | 1.00 |
| Hitachi | HTS547550A9E384 | 500 GB | 4 | 559 | 294 | 0.83 |
| Hitachi | HTS547575A9E384 | 752 GB | 2 | 476 | 514 | 0.73 |
| Hitachi | HTE723225A7A364 | 250 GB | 1 | 227 | 0 | 0.62 |
| Hitachi | HDS721010CLA630 | 1 TB | 1 | 678 | 2 | 0.62 |
| Hitachi | HTS543232L9A300 | 320 GB | 1 | 223 | 0 | 0.61 |
| Hitachi | HTS545032B9A302 | 320 GB | 1 | 605 | 2 | 0.55 |
| Hitachi | HTS541680J9SA00 | 80 GB | 2 | 673 | 18 | 0.54 |
| Hitachi | HDT721064SLA360 | 640 GB | 1 | 169 | 0 | 0.46 |
| Hitachi | HUS724040ALE641 | 4 TB | 8 | 134 | 1 | 0.33 |
| Hitachi | HTS723232A7A364 | 320 GB | 4 | 800 | 766 | 0.32 |
| Hitachi | HTS421260H9AT00 | 64 GB | 1 | 1338 | 12 | 0.28 |
| Hitachi | HDS721010CLA332 | 1 TB | 2 | 2329 | 118 | 0.26 |
| Hitachi | HTS543225L9A300 | 250 GB | 2 | 525 | 5 | 0.25 |
| Hitachi | HTS543232A7A384 | 320 GB | 4 | 275 | 280 | 0.24 |
| Hitachi | HDS721010CLA632 | 1 TB | 1 | 71 | 0 | 0.20 |
| Hitachi | HUA722010CLA330 | 1 TB | 2 | 65 | 0 | 0.18 |
| Hitachi | HUA721010KLA330 | 1 TB | 1 | 52 | 0 | 0.14 |
| Hitachi | HTS543232L9SA02 | 320 GB | 1 | 1954 | 37 | 0.14 |
| Hitachi | HTS541060G9SA00 | 64 GB | 1 | 255 | 6 | 0.10 |
| Hitachi | HDP725050GLA360 | 500 GB | 1 | 1174 | 38 | 0.08 |
| Hitachi | HTS725025A9A364 | 250 GB | 2 | 297 | 523 | 0.06 |
| Hitachi | HTS548040M9AT00 | 40 GB | 1 | 33 | 1 | 0.05 |
| Hitachi | HTS541612J9SA00 | 120 GB | 3 | 374 | 68 | 0.02 |
| Hitachi | HTS545050A7E380 | 500 GB | 2 | 186 | 181 | 0.02 |
| Hitachi | HTS543212L9A300 | 120 GB | 2 | 1802 | 550 | 0.02 |
| Hitachi | HDP725016GLA380 | 160 GB | 1 | 1804 | 250 | 0.02 |
| Hitachi | HTS543216L9A300 | 160 GB | 1 | 1644 | 522 | 0.01 |
| Hitachi | HDS723015BLA642 | 1.5 TB | 1 | 902 | 1016 | 0.00 |
| Hitachi | HTS545032B9A300 | 320 GB | 3 | 185 | 464 | 0.00 |
| Hitachi | HCC543225A7A380 | 250 GB | 1 | 0 | 0 | 0.00 |
| Hitachi | HTS723216L9A360 | 160 GB | 1 | 646 | 1013 | 0.00 |
| Hitachi | HTS725050A9A364 | 500 GB | 1 | 862 | 1522 | 0.00 |
| Hitachi | HTS545050B9A300 | 500 GB | 1 | 458 | 1045 | 0.00 |
| Hitachi | HTS725032A7E630 | 320 GB | 1 | 348 | 1025 | 0.00 |
| Hitachi | DK23AA-12 | 12 GB | 1 | 4 | 31 | 0.00 |
| Hitachi | HCS5C1050CLA382 | 500 GB | 1 | 9 | 142 | 0.00 |
| Hitachi | HTS721060G9AT00 | 64 GB | 1 | 0 | 37 | 0.00 |
HDD by Family
Please take all columns into account when reading the table. Pay attention on the number of tested samples and power-on days. Simultaneous high values of both MTBF and errors are possible if only rare drives in the subset encounter errors.
Days — avg. days per sample, Err — avg. errors per sample, MTBF — avg. MTBF in years per sample.
| MFG | Family | Models | Samples | Days | Err | MTBF |
|---|---|---|---|---|---|---|
| Hitachi | Deskstar 7K500 | 1 | 1 | 3763 | 0 | 10.31 |
| Hitachi | Sun Internal | 1 | 2 | 2785 | 0 | 7.63 |
| Hitachi | Deskstar 7K1000.B | 3 | 3 | 2495 | 0 | 6.84 |
| Hitachi | Deskstar 7K80 | 1 | 1 | 2086 | 0 | 5.72 |
| Hitachi | Deskstar 5K4000 | 1 | 21 | 2076 | 0 | 5.69 |
| Hitachi | Deskstar 5K3000 | 1 | 18 | 2020 | 2 | 5.23 |
| Hitachi | Travelstar 7K750 | 1 | 2 | 1757 | 0 | 4.82 |
| Hitachi | Ultrastar 7K3000 | 3 | 15 | 1828 | 135 | 4.76 |
| Hitachi | Ultrastar A7K1000 | 2 | 3 | 2579 | 1 | 4.73 |
| Hitachi | Deskstar E7K1000 | 1 | 3 | 3419 | 4 | 4.09 |
| Hitachi | Deskstar 7K1000 | 2 | 10 | 1951 | 1 | 3.84 |
| Hitachi | Deskstar 7K160 | 2 | 2 | 1343 | 0 | 3.68 |
| Hitachi | Deskstar T7K500 | 2 | 3 | 1187 | 0 | 3.25 |
| Hitachi | Deskstar 5K1000 | 1 | 1 | 1122 | 0 | 3.08 |
| Hitachi | Travelstar 5K250 | 1 | 3 | 1273 | 1 | 2.88 |
| Hitachi | Ultrastar A7K2000 | 3 | 15 | 1349 | 30 | 2.70 |
| Hitachi | Deskstar 7K2000 | 1 | 1 | 725 | 0 | 1.99 |
| Hitachi | Deskstar 7K4000 | 1 | 1 | 614 | 0 | 1.68 |
| Hitachi | Deskstar 7K3000 | 3 | 3 | 912 | 339 | 1.68 |
| Hitachi | Travelstar 5K500.B | 7 | 12 | 724 | 253 | 1.54 |
| Hitachi | Deskstar 7K1000.C | 5 | 7 | 1083 | 34 | 1.04 |
| Hitachi | Deskstar P7K500 | 3 | 4 | 1214 | 73 | 0.97 |
| Hitachi | Travelstar 7K320 | 3 | 3 | 564 | 338 | 0.96 |
| Hitachi | Ultrastar 7K4000 | 2 | 16 | 346 | 1 | 0.93 |
| Hitachi | Travelstar 5K750 | 2 | 6 | 531 | 367 | 0.80 |
| Hitachi | Travelstar Z7K500 | 2 | 2 | 442 | 513 | 0.73 |
| Hitachi | Travelstar 7K100 | 2 | 2 | 772 | 20 | 0.53 |
| Hitachi | Travelstar 5K160 | 3 | 6 | 497 | 40 | 0.43 |
| Hitachi | Travelstar Z7K320 | 2 | 5 | 685 | 613 | 0.38 |
| Hitachi | Travelstar 4K120 | 1 | 1 | 1338 | 12 | 0.28 |
| Hitachi | Travelstar Z5K320 | 1 | 4 | 275 | 280 | 0.24 |
| Hitachi | Travelstar 5K320 | 5 | 7 | 1211 | 239 | 0.19 |
| Hitachi | Travelstar 5K100 | 1 | 1 | 255 | 6 | 0.10 |
| Hitachi | Travelstar 5K80 | 1 | 1 | 33 | 1 | 0.05 |
| Hitachi | Travelstar 7K500 | 2 | 3 | 486 | 856 | 0.04 |
| Hitachi | Travelstar Z5K500 | 1 | 2 | 186 | 181 | 0.02 |
| Hitachi | CinemaStar Z5K320 | 1 | 1 | 0 | 0 | 0.00 |
| Hitachi | Travelstar DK23XX/D... | 1 | 1 | 4 | 31 | 0.00 |
| Hitachi | CinemaStar 5K1000 | 1 | 1 | 9 | 142 | 0.00 |