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](https://github.com/bsdhw/SMART). Contents -------- 1. [ HDD by Model ](#hdd-by-model) 2. [ HDD by Family ](#hdd-by-family) 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 | HDS725050KLA360 | 500 GB | 4 | 3436 | 0 | 9.41 | | Hitachi | HUA7250SBSUN500G | 500 GB | 2 | 2785 | 0 | 7.63 | | Hitachi | HDS721010KLA330 | 1 TB | 3 | 3406 | 1 | 7.13 | | Hitachi | HUA721050KLA330 | 500 GB | 2 | 3842 | 1 | 7.02 | | Hitachi | HUA723020ALA640 | 2 TB | 10 | 2452 | 0 | 6.72 | | Hitachi | HDT721010SLA360 | 1 TB | 7 | 3254 | 2 | 6.62 | | Hitachi | HDS5C3020ALA632 | 2 TB | 3 | 2236 | 0 | 6.13 | | Hitachi | HDS5C4040ALE630 | 4 TB | 21 | 2076 | 0 | 5.69 | | Hitachi | HUA723030ALA640 | 3 TB | 7 | 2030 | 0 | 5.56 | | Hitachi | HUA722020ALA330 | 2 TB | 15 | 2650 | 51 | 5.48 | | Hitachi | HDE721010SLA330 | 1 TB | 5 | 3192 | 3 | 5.46 | | Hitachi | HDS5C3030ALA630 | 3 TB | 18 | 2020 | 2 | 5.23 | | Hitachi | HDE721064SLA360 | 640 GB | 2 | 2764 | 6 | 4.77 | | Hitachi | HDT725025VLA380 | 250 GB | 5 | 1697 | 0 | 4.65 | | Hitachi | HDS722020ALA330 | 2 TB | 3 | 2082 | 1 | 4.60 | | Hitachi | HDT725032VLA360 | 320 GB | 3 | 2689 | 2 | 4.36 | | Hitachi | HUA721075KLA330 | 752 GB | 2 | 1592 | 0 | 4.36 | | Hitachi | HDP725050GLA360 | 500 GB | 4 | 1794 | 10 | 4.13 | | Hitachi | HTE543232A7A384 | 320 GB | 4 | 1848 | 10 | 4.08 | | Hitachi | HUA723020ALA641 | 2 TB | 17 | 2164 | 155 | 4.06 | | Hitachi | HDS728080PLA380 | 82 GB | 4 | 1438 | 0 | 3.94 | | Hitachi | HUA722020ALA331 | 2 TB | 16 | 2338 | 138 | 3.92 | | Hitachi | HDS721075KLA330 | 752 GB | 9 | 1767 | 1 | 3.90 | | Hitachi | HUA722010CLA630 | 1 TB | 2 | 2395 | 260 | 3.29 | | Hitachi | HUA722010CLA330 | 1 TB | 6 | 1178 | 0 | 3.23 | | Hitachi | HDS721050CLA660 | 500 GB | 7 | 1725 | 290 | 3.20 | | Hitachi | HTS543216L9A300 | 160 GB | 2 | 1966 | 261 | 3.14 | | Hitachi | HDS721010CLA332 | 1 TB | 9 | 1737 | 29 | 3.09 | | Hitachi | HDS723020BLA642 | 2 TB | 5 | 2630 | 386 | 2.73 | | Hitachi | HDP725025GLA380 | 250 GB | 2 | 1171 | 2 | 2.40 | | Hitachi | HTS545025B9SA02 | 250 GB | 6 | 1131 | 163 | 2.35 | | Hitachi | HTS723216L9SA60 | 160 GB | 2 | 928 | 1 | 2.32 | | Hitachi | HDS721050CLA662 | 500 GB | 2 | 844 | 0 | 2.32 | | Hitachi | HDS721010CLA632 | 1 TB | 2 | 837 | 0 | 2.29 | | Hitachi | HTS542525K9SA00 | 250 GB | 4 | 1011 | 2 | 2.21 | | Hitachi | HDS723030ALA640 | 3 TB | 3 | 1323 | 33 | 2.21 | | Hitachi | HUS724030ALE641 | 3 TB | 12 | 734 | 0 | 2.01 | | Hitachi | HTS541060G9AT00 | 64 GB | 2 | 973 | 3 | 1.97 | | Hitachi | HTS725032A9A364 | 320 GB | 5 | 1055 | 205 | 1.83 | | Hitachi | HDS721010CLA630 | 1 TB | 2 | 890 | 1 | 1.82 | | Hitachi | HDS721032CLA362 | 320 GB | 2 | 848 | 1030 | 1.81 | | Hitachi | HDS724040ALE640 | 4 TB | 4 | 659 | 0 | 1.81 | | Hitachi | HTS543232L9SA02 | 320 GB | 3 | 1707 | 398 | 1.81 | | Hitachi | HTS727550A9E364 | 500 GB | 7 | 909 | 313 | 1.61 | | Hitachi | HCS5C1032CLA382 | 320 GB | 2 | 1409 | 3 | 1.58 | | Hitachi | HTS545032B9A300 | 320 GB | 14 | 617 | 172 | 1.53 | | Hitachi | HDS721050CLA362 | 500 GB | 4 | 615 | 254 | 1.53 | | Hitachi | HTS545016B9A300 | 160 GB | 5 | 653 | 4 | 1.36 | | Hitachi | HTS545025B9A300 | 250 GB | 13 | 512 | 156 | 1.30 | | Hitachi | HUS724040ALE641 | 4 TB | 11 | 530 | 1 | 1.29 | | Hitachi | HDT725032VLA380 | 320 GB | 2 | 441 | 0 | 1.21 | | Hitachi | HTS541080G9SA00 | 80 GB | 2 | 565 | 1 | 1.19 | | Hitachi | HDS721616PLA380 | 160 GB | 5 | 1115 | 289 | 1.10 | | Hitachi | HTS545050B9A300 | 500 GB | 7 | 1147 | 952 | 1.04 | | Hitachi | HTS725050A7E630 | 500 GB | 4 | 1059 | 738 | 1.02 | | Hitachi | HTS723232A7A364 | 320 GB | 8 | 880 | 405 | 0.92 | | Hitachi | HTS543232L9A300 | 320 GB | 2 | 315 | 0 | 0.87 | | Hitachi | HTS547550A9E384 | 500 GB | 11 | 470 | 201 | 0.79 | | Hitachi | HTS545016B9SA02 | 160 GB | 2 | 507 | 5 | 0.66 | | Hitachi | HTS421260H9AT00 | 64 GB | 2 | 1028 | 7 | 0.63 | | Hitachi | HTS547575A9E384 | 752 GB | 5 | 694 | 414 | 0.57 | | Hitachi | HTS721060G9SA00 | 64 GB | 2 | 828 | 4 | 0.55 | | Hitachi | HTS543232A7A384 | 320 GB | 13 | 386 | 325 | 0.55 | | Hitachi | HTS722020K9SA00 | 200 GB | 2 | 276 | 2 | 0.52 | | Hitachi | HDT721064SLA360 | 640 GB | 2 | 990 | 4 | 0.51 | | Hitachi | HTS545050A7E380 | 500 GB | 8 | 344 | 258 | 0.44 | | Hitachi | HTS548040M9AT00 | 40 GB | 2 | 452 | 2 | 0.42 | | Hitachi | HTS541680J9SA00 | 80 GB | 7 | 489 | 7 | 0.38 | | Hitachi | HTS547564A9E384 | 640 GB | 3 | 308 | 350 | 0.37 | | Hitachi | HTS542516K9SA00 | 160 GB | 3 | 411 | 4 | 0.30 | | Hitachi | HTS543225L9A300 | 250 GB | 3 | 595 | 5 | 0.28 | | Hitachi | HTS542512K9SA00 | 120 GB | 4 | 222 | 5 | 0.26 | | Hitachi | HTS541616J9SA00 | 160 GB | 3 | 417 | 89 | 0.23 | | Hitachi | HTS543225A7A384 | 250 GB | 2 | 192 | 12 | 0.21 | | Hitachi | HTS721010G9AT00 | 100 GB | 2 | 57 | 0 | 0.16 | | Hitachi | HTS541612J9SA00 | 120 GB | 8 | 641 | 57 | 0.08 | | Hitachi | HTS725025A9A364 | 250 GB | 2 | 297 | 523 | 0.06 | | Hitachi | HTS542525K9A300 | 250 GB | 3 | 183 | 342 | 0.04 | | Hitachi | HTS725050A9A364 | 500 GB | 3 | 856 | 983 | 0.04 | | Hitachi | HTS543212L9A300 | 120 GB | 2 | 1802 | 550 | 0.02 | | Hitachi | HDS721010DLE630 | 1 TB | 2 | 429 | 1656 | 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 | 4 | 3436 | 0 | 9.41 | | Hitachi | Sun Internal | 1 | 2 | 2785 | 0 | 7.63 | | Hitachi | Ultrastar A7K1000 | 2 | 4 | 2717 | 1 | 5.69 | | Hitachi | Deskstar 5K4000 | 1 | 21 | 2076 | 0 | 5.69 | | Hitachi | Deskstar E7K1000 | 1 | 5 | 3192 | 3 | 5.46 | | Hitachi | Deskstar 5K3000 | 2 | 21 | 2051 | 2 | 5.35 | | Hitachi | Deskstar 7K1000.B | 2 | 9 | 2751 | 3 | 5.26 | | Hitachi | Ultrastar 7K3000 | 3 | 34 | 2221 | 78 | 5.15 | | Hitachi | Deskstar 7K1000 | 2 | 12 | 2176 | 1 | 4.71 | | Hitachi | Deskstar 7K2000 | 1 | 3 | 2082 | 1 | 4.60 | | Hitachi | Ultrastar A7K2000 | 4 | 39 | 2282 | 90 | 4.38 | | Hitachi | Deskstar 7K80 | 1 | 4 | 1438 | 0 | 3.94 | | Hitachi | Deskstar T7K500 | 3 | 10 | 1743 | 1 | 3.88 | | Hitachi | Deskstar P7K500 | 2 | 6 | 1586 | 7 | 3.55 | | Hitachi | Deskstar 7K1000.C | 7 | 28 | 1321 | 192 | 2.60 | | Hitachi | Deskstar 7K3000 | 2 | 8 | 2140 | 253 | 2.53 | | Hitachi | Travelstar 7K320 | 1 | 2 | 928 | 1 | 2.32 | | Hitachi | Deskstar 7K4000 | 1 | 4 | 659 | 0 | 1.81 | | Hitachi | Ultrastar 7K4000 | 2 | 23 | 636 | 1 | 1.67 | | Hitachi | Travelstar 7K750 | 1 | 7 | 909 | 313 | 1.61 | | Hitachi | CinemaStar 5K1000 | 1 | 2 | 1409 | 3 | 1.58 | | Hitachi | Travelstar 5K100 | 2 | 4 | 769 | 2 | 1.58 | | Hitachi | Travelstar 5K500.B | 6 | 47 | 732 | 258 | 1.44 | | Hitachi | Travelstar Z5K320 | 3 | 19 | 674 | 226 | 1.26 | | Hitachi | Travelstar 5K320 | 5 | 12 | 1256 | 236 | 1.19 | | Hitachi | Deskstar 7K160 | 1 | 5 | 1115 | 289 | 1.10 | | Hitachi | Travelstar Z7K500 | 1 | 4 | 1059 | 738 | 1.02 | | Hitachi | Travelstar 7K500 | 3 | 10 | 844 | 502 | 0.94 | | Hitachi | Travelstar Z7K320 | 1 | 8 | 880 | 405 | 0.92 | | Hitachi | Travelstar 5K250 | 4 | 14 | 480 | 76 | 0.78 | | Hitachi | Travelstar 5K750 | 3 | 19 | 503 | 281 | 0.67 | | Hitachi | Travelstar 4K120 | 1 | 2 | 1028 | 7 | 0.63 | | Hitachi | Travelstar 7K200 | 1 | 2 | 276 | 2 | 0.52 | | Hitachi | Travelstar Z5K500 | 1 | 8 | 344 | 258 | 0.44 | | Hitachi | Travelstar 5K80 | 1 | 2 | 452 | 2 | 0.42 | | Hitachi | Travelstar 7K100 | 2 | 4 | 443 | 2 | 0.36 | | Hitachi | Travelstar 5K160 | 3 | 18 | 545 | 43 | 0.22 | | Hitachi | Deskstar 7K1000.D | 1 | 2 | 429 | 1656 | 0.00 |