WDC Hard Drives
This is a list of all tested WDC 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 |
|---|---|---|---|---|---|---|
| WDC | WD800JD-08MSA1 | 80 GB | 1 | 4687 | 0 | 12.84 |
| WDC | WD1600AAJS-00PSA0 | 160 GB | 1 | 4208 | 0 | 11.53 |
| WDC | WD1600JB-00REA0 | 160 GB | 1 | 4140 | 0 | 11.34 |
| WDC | WD1600JD-00GBB0 | 160 GB | 4 | 5313 | 4 | 11.14 |
| WDC | WD1602ABJS-43P5A0 | 160 GB | 1 | 4045 | 0 | 11.08 |
| WDC | WD10EADS-00L5B1 | 1 TB | 3 | 3833 | 0 | 10.50 |
| WDC | WD10EACS-00D6B0 | 1 TB | 1 | 3820 | 0 | 10.47 |
| WDC | WD2001FASS-00U0B0 | 2 TB | 2 | 3704 | 0 | 10.15 |
| WDC | WD1001FALS-00J7B0 | 1 TB | 4 | 3472 | 0 | 9.51 |
| WDC | WD1002FBYS-02A6B0 | 1 TB | 3 | 3329 | 0 | 9.12 |
| WDC | WD5002AALX-00J37A0 | 500 GB | 6 | 3085 | 0 | 8.45 |
| WDC | WD2003FYYS-02W0B0 | 2 TB | 4 | 3039 | 0 | 8.33 |
| WDC | WD1602ABKS-18N8A0 | 160 GB | 1 | 2978 | 0 | 8.16 |
| WDC | WD1003FBYX-01Y7B1 | 1 TB | 3 | 2977 | 0 | 8.16 |
| WDC | WD800EB-00DJF0 | 80 GB | 1 | 2959 | 0 | 8.11 |
| WDC | WD10EAVS-00D7B1 | 1 TB | 1 | 2917 | 0 | 7.99 |
| WDC | WD400BB-00GFA0 | 40 GB | 1 | 2808 | 0 | 7.69 |
| WDC | WD3200AAKX-00ERMA0 | 320 GB | 1 | 2660 | 0 | 7.29 |
| WDC | WD10JPVT-00A1YT0 | 1 TB | 1 | 2510 | 0 | 6.88 |
| WDC | WD1500HLFS-01G6U4 | 150 GB | 1 | 2444 | 0 | 6.70 |
| WDC | WD10JUCT-63CYNY0 | 1 TB | 3 | 2436 | 0 | 6.67 |
| WDC | WD1600AABS-61PRA0 | 160 GB | 1 | 2420 | 0 | 6.63 |
| WDC | WD2500AAJS-08L7A0 | 250 GB | 1 | 2414 | 0 | 6.61 |
| WDC | WD1000DHTZ-04N21V1 | 1 TB | 2 | 2344 | 0 | 6.42 |
| WDC | WD30EZRX-00AZ6B0 | 3 TB | 1 | 2343 | 0 | 6.42 |
| WDC | WD1003FBYX-23 0... | 1 TB | 2 | 2317 | 0 | 6.35 |
| WDC | WD20EZRX-00DC0B0 | 2 TB | 3 | 2281 | 0 | 6.25 |
| WDC | WD2502ABYS-01B7A0 | 256 GB | 1 | 2257 | 0 | 6.19 |
| WDC | WD10EARX-00N0YB0 | 1 TB | 1 | 2233 | 0 | 6.12 |
| WDC | WD1001FAES-75W7A0 | 1 TB | 1 | 2183 | 0 | 5.98 |
| WDC | WD5000BEKT-00KA9T0 | 500 GB | 2 | 2168 | 0 | 5.94 |
| WDC | WD5003AZEX-00K1GA0 | 500 GB | 5 | 2150 | 0 | 5.89 |
| WDC | WD10EZRX-00A8LB0 | 1 TB | 1 | 2053 | 0 | 5.63 |
| WDC | WD30EZRX-00SPEB0 | 3 TB | 1 | 2024 | 0 | 5.55 |
| WDC | WD30EFRX-68AX9N0 | 3 TB | 8 | 2216 | 1 | 5.39 |
| WDC | WD20EFRX-68AX9N0 | 2 TB | 5 | 2167 | 1 | 5.27 |
| WDC | WD2000FYYZ-01UL1B1 | 2 TB | 3 | 2230 | 1 | 5.06 |
| WDC | WD5003AZEX-00MK2A0 | 500 GB | 6 | 2134 | 2 | 5.04 |
| WDC | WD5000AAKX-603CA0 | 500 GB | 1 | 1827 | 0 | 5.01 |
| WDC | WD3000GLFS-01F8U0 | 304 GB | 1 | 1824 | 0 | 5.00 |
| WDC | WD6400AAKS-00A7B0 | 640 GB | 1 | 1819 | 0 | 4.98 |
| WDC | WD3200AAKS-00L9A0 | 320 GB | 2 | 1816 | 0 | 4.98 |
| WDC | WD5000AAKS-00UU3A0 | 500 GB | 2 | 1823 | 4 | 4.59 |
| WDC | WD30EZRX-00D8PB0 | 3 TB | 2 | 1670 | 0 | 4.58 |
| WDC | WD5000BPKT-00PK4T0 | 500 GB | 2 | 1654 | 0 | 4.53 |
| WDC | WD5000BEVT-00A03T0 | 500 GB | 1 | 1643 | 0 | 4.50 |
| WDC | WD10EFRX-68PJCN0 | 1 TB | 12 | 1910 | 169 | 4.36 |
| WDC | WD10EALX-009BA0 | 1 TB | 4 | 1574 | 0 | 4.31 |
| WDC | WD3200BEKX-75B7WT0 | 320 GB | 1 | 1566 | 0 | 4.29 |
| WDC | WD20EZRX-00D8PB0 | 2 TB | 9 | 1549 | 0 | 4.25 |
| WDC | WD10EZRX-00L4HB0 | 1 TB | 4 | 1546 | 0 | 4.24 |
| WDC | WD30EZRZ-00Z5HB0 | 3 TB | 1 | 1543 | 0 | 4.23 |
| WDC | WD3200AAJS-56M0A0 | 320 GB | 1 | 1542 | 0 | 4.23 |
| WDC | WD10EZEX-08M2NA0 | 1 TB | 4 | 1527 | 0 | 4.19 |
| WDC | WD5000AAKS-00TMA0 | 500 GB | 1 | 1522 | 0 | 4.17 |
| WDC | WD10EARS-00MVWB0 | 1 TB | 2 | 1517 | 0 | 4.16 |
| WDC | WD30EZRX-00DC0B0 | 3 TB | 3 | 1514 | 0 | 4.15 |
| WDC | WD7500BMVW-11AJGS4 | 752 GB | 1 | 1500 | 0 | 4.11 |
| WDC | WD15EADS-00P8B0 | 1.5 TB | 3 | 3153 | 4 | 4.05 |
| WDC | WD2000FYYX | 2 TB | 4 | 1466 | 0 | 4.02 |
| WDC | WD1600JS-60MHB5 | 160 GB | 2 | 1449 | 0 | 3.97 |
| WDC | WD10PURX-64D85Y0 | 1 TB | 1 | 1445 | 0 | 3.96 |
| WDC | WD20EARX-00PASB0 | 2 TB | 10 | 1794 | 124 | 3.96 |
| WDC | WD5000AAKX-00ERMA0 | 500 GB | 2 | 1415 | 0 | 3.88 |
| WDC | WD5002ABYS-18B1B0 | 500 GB | 2 | 2250 | 4 | 3.82 |
| WDC | WD2500AAJS-00L7A0 | 250 GB | 1 | 1391 | 0 | 3.81 |
| WDC | WD40EFRX-68WT0N0 | 4 TB | 19 | 1694 | 2 | 3.78 |
| WDC | WD20EARS-00MVWB0 | 2 TB | 3 | 2182 | 874 | 3.68 |
| WDC | WD5000AZLX-60K2TA0 | 500 GB | 1 | 1323 | 0 | 3.63 |
| WDC | WD20EFRX-68EUZN0 | 2 TB | 13 | 1498 | 1 | 3.62 |
| WDC | WD3200KS-00PFB0 | 320 GB | 1 | 1317 | 0 | 3.61 |
| WDC | WD5000BMVV-11A1CS0 | 500 GB | 1 | 1308 | 0 | 3.59 |
| WDC | WD1600BEVS-75RST0 | 160 GB | 1 | 1301 | 0 | 3.57 |
| WDC | WD8001FFWX-68J1UN0 | 8 TB | 1 | 1296 | 0 | 3.55 |
| WDC | WD2500AAKX-07U6AA0 | 250 GB | 1 | 1289 | 0 | 3.53 |
| WDC | WD5003ABYX-88 LEN | 500 GB | 1 | 1280 | 0 | 3.51 |
| WDC | WD6400AAKS-75A7B2 | 640 GB | 1 | 1266 | 0 | 3.47 |
| WDC | WD1003FZEX-00MK2A0 | 1 TB | 2 | 1237 | 0 | 3.39 |
| WDC | WD30EFRX-68EUZN0 | 3 TB | 37 | 1509 | 2 | 3.37 |
| WDC | WD7501AALS-00E8B0 | 752 GB | 1 | 3656 | 2 | 3.34 |
| WDC | WD3750LMCW-11D9GS3 | 375 GB | 1 | 1179 | 0 | 3.23 |
| WDC | WD2004FBYZ-01YCBB1 | 2 TB | 1 | 1158 | 0 | 3.17 |
| WDC | WD3000BLFS-60YBU2 | 304 GB | 2 | 1399 | 1 | 3.13 |
| WDC | WD360GD-00FLC0 | 37 GB | 1 | 1099 | 0 | 3.01 |
| WDC | WD5000BEKT-22KA9T0 | 500 GB | 1 | 1085 | 0 | 2.97 |
| WDC | WD80EFZX-68UW8N0 | 8 TB | 13 | 1142 | 1 | 2.91 |
| WDC | WD10EZRX-00D8PB0 | 1 TB | 1 | 1057 | 0 | 2.90 |
| WDC | WD40EZRX-00SPEB0 | 4 TB | 1 | 1051 | 0 | 2.88 |
| WDC | WD60EFRX-68MYMN1 | 6 TB | 5 | 1486 | 2 | 2.84 |
| WDC | WD2000JB-00FUA0 | 200 GB | 1 | 1023 | 0 | 2.81 |
| WDC | WD10EZRZ-00HTKB0 | 1 TB | 2 | 1018 | 0 | 2.79 |
| WDC | WD5000AAKX-75U6AA0 | 500 GB | 1 | 1014 | 0 | 2.78 |
| WDC | WD5000LPLX-75ZNTT0 | 500 GB | 1 | 991 | 0 | 2.72 |
| WDC | WD7500BPKX-00HPJT0 | 752 GB | 4 | 1105 | 2 | 2.59 |
| WDC | WD3200BEVS-08VAT2 | 320 GB | 1 | 936 | 0 | 2.57 |
| WDC | WD5000AADS-00S9B0 | 500 GB | 1 | 910 | 0 | 2.49 |
| WDC | WD7500BPKT-22PK4T0 | 752 GB | 1 | 910 | 0 | 2.49 |
| WDC | WD30EZRX-00MMMB0 | 3 TB | 2 | 905 | 0 | 2.48 |
| WDC | WD10EZEX-60WN4A0 | 1 TB | 2 | 890 | 0 | 2.44 |
| WDC | WD2500JS-75NCB2 | 250 GB | 2 | 889 | 0 | 2.44 |
| WDC | WD800JD-75MSA3 | 80 GB | 1 | 888 | 0 | 2.43 |
| WDC | WD2500AAKX-001CA0 | 250 GB | 3 | 1105 | 400 | 2.42 |
| WDC | WD1600AAJS-60B4A0 | 160 GB | 1 | 872 | 0 | 2.39 |
| WDC | WD60EFRX-68L0BN1 | 6 TB | 22 | 1145 | 63 | 2.36 |
| WDC | WD20NMVW-11EDZS7 | 2 TB | 1 | 856 | 0 | 2.35 |
| WDC | WD2500BEVT-00A23T0 | 250 GB | 1 | 851 | 0 | 2.33 |
| WDC | WD80PURZ-85YNPY0 | 8 TB | 1 | 851 | 0 | 2.33 |
| WDC | WD800JD-60LSA5 | 80 GB | 1 | 2471 | 2 | 2.26 |
| WDC | WD20EZRZ-00Z5HB0 | 2 TB | 7 | 823 | 0 | 2.26 |
| WDC | WD5000AAKX-08U6AA0 | 500 GB | 3 | 822 | 0 | 2.25 |
| WDC | WD10PURZ-85U8XY0 | 1 TB | 1 | 819 | 0 | 2.25 |
| WDC | WD1200BB-00HTA0 | 120 GB | 2 | 1633 | 347 | 2.24 |
| WDC | WD5001AALS-00E3A0 | 500 GB | 1 | 816 | 0 | 2.24 |
| WDC | WD2500JS-58NCB1 | 250 GB | 1 | 805 | 0 | 2.21 |
| WDC | WD4002FFWX-68TZ4N0 | 4 TB | 2 | 802 | 0 | 2.20 |
| WDC | WD10EZEX-21WN4A0 | 1 TB | 1 | 799 | 0 | 2.19 |
| WDC | WD10JQLX-22JFGT0 | 1 TB | 1 | 790 | 0 | 2.17 |
| WDC | WD10EZEX-07WN4A0 | 1 TB | 1 | 790 | 0 | 2.17 |
| WDC | WD2500AAKX-75U6AA0 | 250 GB | 2 | 786 | 0 | 2.15 |
| WDC | WD1200BEVT-22ZCT0 | 120 GB | 1 | 786 | 0 | 2.15 |
| WDC | WD2500BEKT-75PVMT0 | 250 GB | 1 | 782 | 0 | 2.14 |
| WDC | WD5000BPKT-60PK4T0 | 500 GB | 1 | 781 | 0 | 2.14 |
| WDC | WD20PURX-64P6ZY0 | 2 TB | 1 | 769 | 0 | 2.11 |
| WDC | WD15EARS-00Z5B1 | 1.5 TB | 1 | 3841 | 4 | 2.11 |
| WDC | WD2003FZEX-00Z4SA0 | 2 TB | 1 | 751 | 0 | 2.06 |
| WDC | WD5000AAKX-60U6AA0 | 500 GB | 5 | 899 | 1 | 2.04 |
| WDC | WD1002F9YZ-09H1JL1 | 1 TB | 1 | 734 | 0 | 2.01 |
| WDC | WD1002FBYS-50A6B1 | 1 TB | 1 | 727 | 0 | 1.99 |
| WDC | WD5000LPVT-75G33T0 | 500 GB | 1 | 708 | 0 | 1.94 |
| WDC | WD1600AAJS-22L7A0 | 160 GB | 2 | 706 | 0 | 1.93 |
| WDC | WD80EFAX-68LHPN0 | 8 TB | 3 | 705 | 0 | 1.93 |
| WDC | WD80EMAZ-00WJTA0 | 8 TB | 11 | 692 | 0 | 1.90 |
| WDC | WD10JPVX-35JC3T0 | 1 TB | 1 | 682 | 0 | 1.87 |
| WDC | WD10JPVX-08JC3T5 | 1 TB | 1 | 678 | 0 | 1.86 |
| WDC | WD10EZEX-00BN5A0 | 1 TB | 2 | 674 | 0 | 1.85 |
| WDC | WD40NMZW-11GX6S1 | 4 TB | 3 | 666 | 0 | 1.83 |
| WDC | WD5000AAKX-753CA1 | 500 GB | 3 | 885 | 1 | 1.77 |
| WDC | WD7500BPKX-75HPJT0 | 752 GB | 1 | 642 | 0 | 1.76 |
| WDC | WD10JFCX-68N6GN0 | 1 TB | 2 | 620 | 0 | 1.70 |
| WDC | WD2503ABYX-01WERA1 | 256 GB | 2 | 615 | 0 | 1.69 |
| WDC | WD2500AAKX-19U6AA0 | 250 GB | 1 | 613 | 0 | 1.68 |
| WDC | WD2500LPCX-24C6HT0 | 250 GB | 1 | 608 | 0 | 1.67 |
| WDC | WD2500AAJS-40RYA0 | 250 GB | 1 | 603 | 0 | 1.65 |
| WDC | WD40EFRX-68N32N0 | 4 TB | 53 | 608 | 1 | 1.65 |
| WDC | WD2000JB-00GVC0 | 200 GB | 1 | 3539 | 5 | 1.62 |
| WDC | WD2500HHTZ-04N21V1 | 250 GB | 2 | 575 | 0 | 1.58 |
| WDC | WD5000AAKX-001CA0 | 500 GB | 3 | 1410 | 2 | 1.57 |
| WDC | WD10EZEX-75WN4A0 | 1 TB | 3 | 573 | 0 | 1.57 |
| WDC | WD2500BEVS-08VAT2 | 250 GB | 1 | 573 | 0 | 1.57 |
| WDC | WD10JPLX-00MBPT0 | 1 TB | 4 | 571 | 0 | 1.57 |
| WDC | WD10JPVX-22JC3T0 | 1 TB | 5 | 569 | 0 | 1.56 |
| WDC | WD5000LPCX-00VHAT0 | 500 GB | 2 | 568 | 0 | 1.56 |
| WDC | WD100EMAZ-00WJTA0 | 10 TB | 8 | 564 | 0 | 1.55 |
| WDC | WD2002FAEX-007BA0 | 2 TB | 2 | 549 | 0 | 1.50 |
| WDC | WD3200AAKS-00V6A0 | 320 GB | 1 | 533 | 0 | 1.46 |
| WDC | WD3200BEKT-60PVMT0 | 320 GB | 1 | 530 | 0 | 1.45 |
| WDC | WD5000AAKX-08ANVA0 | 500 GB | 1 | 516 | 0 | 1.42 |
| WDC | WD5000AAVS-00ZTB0 | 500 GB | 1 | 512 | 0 | 1.40 |
| WDC | WD40PURZ-85TTDY0 | 4 TB | 2 | 507 | 0 | 1.39 |
| WDC | WD400BD-75LRA0 | 40 GB | 1 | 503 | 0 | 1.38 |
| WDC | WD60EZRZ-00GZ5B1 | 6 TB | 6 | 494 | 0 | 1.36 |
| WDC | WD30EFRX-68N32N0 | 3 TB | 1 | 484 | 0 | 1.33 |
| WDC | WD10EZEX-08WN4A0 | 1 TB | 14 | 564 | 1 | 1.32 |
| WDC | WD10EZEX-00RKKA0 | 1 TB | 3 | 998 | 3 | 1.31 |
| WDC | WD5003ABYX-18WERA0 | 500 GB | 4 | 762 | 2 | 1.31 |
| WDC | WD1002FAEX-00Y9A0 | 1 TB | 3 | 1490 | 3 | 1.27 |
| WDC | WD80EZAZ-11TDBA0 | 8 TB | 6 | 460 | 0 | 1.26 |
| WDC | WD7500AYYS-01RCA0 | 752 GB | 1 | 455 | 0 | 1.25 |
| WDC | WD6400AAKS-22A7B2 | 640 GB | 1 | 446 | 0 | 1.22 |
| WDC | WD10EZEX-22MFCA0 | 1 TB | 7 | 442 | 0 | 1.21 |
| WDC | WD2000JS-55MHB0 | 192 GB | 1 | 439 | 0 | 1.20 |
| WDC | WD2500AAJS-75M0A0 | 250 GB | 3 | 509 | 3 | 1.20 |
| WDC | WD7500BPKX-22HPJT0 | 752 GB | 1 | 434 | 0 | 1.19 |
| WDC | WD20NMVW-11AV3S2 | 2 TB | 2 | 936 | 518 | 1.18 |
| WDC | WD5000BPVT-24HXZT3 | 500 GB | 1 | 429 | 0 | 1.18 |
| WDC | WD10JPVX-00JC3T0 | 1 TB | 2 | 429 | 0 | 1.18 |
| WDC | WD5000AAKS-00A7B0 | 500 GB | 1 | 424 | 0 | 1.16 |
| WDC | WD40EZRZ-75GXCB0 | 4 TB | 1 | 422 | 0 | 1.16 |
| WDC | WD2500AAKX-603CA0 | 250 GB | 1 | 409 | 0 | 1.12 |
| WDC | WD10EFRX-68FYTN0 | 1 TB | 7 | 441 | 2 | 1.05 |
| WDC | WD50NDZW-11MR8S1 | 5 TB | 1 | 382 | 0 | 1.05 |
| WDC | WD5000HHTZ-75N21V0 | 500 GB | 1 | 380 | 0 | 1.04 |
| WDC | WD120EMAZ-11BLFA0 | 12 TB | 2 | 375 | 0 | 1.03 |
| WDC | WD40NMZW-59GX6S1 | 4 TB | 2 | 373 | 0 | 1.02 |
| WDC | WD4003FFBX-68MU3N0 | 4 TB | 6 | 484 | 3 | 0.99 |
| WDC | WD2500BEVS-22UST0 | 250 GB | 1 | 357 | 0 | 0.98 |
| WDC | WD40EZRZ-00GXCB0 | 4 TB | 7 | 346 | 0 | 0.95 |
| WDC | WD5000LPVX-60V0TT0 | 500 GB | 1 | 341 | 0 | 0.94 |
| WDC | WD20EARX-008FB0 | 2 TB | 1 | 1677 | 4 | 0.92 |
| WDC | WD2500BEVT-22A23T0 | 250 GB | 2 | 330 | 0 | 0.91 |
| WDC | WD10EZEX-00WN4A0 | 1 TB | 1 | 328 | 0 | 0.90 |
| WDC | WD20NMVW-59EDZS7 | 2 TB | 1 | 320 | 0 | 0.88 |
| WDC | WD3200BEKT-75PVMT1 | 320 GB | 1 | 315 | 0 | 0.87 |
| WDC | WD20PURZ-85GU6Y0 | 2 TB | 1 | 311 | 0 | 0.85 |
| WDC | WD80EZZX-11CSGA0 | 8 TB | 4 | 387 | 2 | 0.85 |
| WDC | WD5003ABYZ-011FA0 | 500 GB | 5 | 308 | 0 | 0.85 |
| WDC | WD40EZRZ-22GXCB0 | 4 TB | 2 | 302 | 0 | 0.83 |
| WDC | WD7500AAVS-00D7B0 | 752 GB | 1 | 300 | 0 | 0.82 |
| WDC | WD1600BEVT-22ZCT0 | 160 GB | 6 | 371 | 3 | 0.82 |
| WDC | WD20EZAZ-00GGJB0 | 2 TB | 5 | 292 | 0 | 0.80 |
| WDC | WD5000LPLX-60ZNTT1 | 500 GB | 1 | 288 | 0 | 0.79 |
| WDC | WD2002FYPS-01U1B0 | 2 TB | 2 | 1571 | 6 | 0.77 |
| WDC | WD3200BPVT-75JJ5T0 | 320 GB | 1 | 1075 | 3 | 0.74 |
| WDC | WD3200BPVT-24JJ5T0 | 320 GB | 1 | 266 | 0 | 0.73 |
| WDC | WD5000LPCX-75VHAT0 | 500 GB | 1 | 254 | 0 | 0.70 |
| WDC | WD5000LPVT-24G33T1 | 500 GB | 1 | 249 | 0 | 0.68 |
| WDC | WD1600BEVS-08VAT2 | 160 GB | 3 | 404 | 1 | 0.68 |
| WDC | WD40E31X-00HY4A0 | 4 TB | 1 | 245 | 0 | 0.67 |
| WDC | WD20SDZW-11JJ8S0 | 2 TB | 1 | 244 | 0 | 0.67 |
| WDC | WD120EMFZ-11A6JA0 | 12 TB | 5 | 241 | 0 | 0.66 |
| WDC | WD7500BPVT-80HXZT3 | 752 GB | 2 | 566 | 4 | 0.65 |
| WDC | WD40NDZW-11MR8S1 | 4 TB | 1 | 222 | 0 | 0.61 |
| WDC | WD7500BPKT-75PK4T0 | 752 GB | 1 | 652 | 2 | 0.60 |
| WDC | WD3200BPVT-22JJ5T0 | 320 GB | 1 | 216 | 0 | 0.59 |
| WDC | WD20EARX-00ZUDB0 | 2 TB | 1 | 2266 | 10 | 0.56 |
| WDC | WD3200BPVT-75ZEST0 | 320 GB | 2 | 218 | 1 | 0.56 |
| WDC | WD10JPCX-24UE4T0 | 1 TB | 2 | 199 | 0 | 0.55 |
| WDC | WD5000LPVX-22V0TT0 | 500 GB | 4 | 237 | 1 | 0.54 |
| WDC | WD10SPZX-22Z10T0 | 1 TB | 1 | 197 | 0 | 0.54 |
| WDC | WD5003AZEX-00K3CA0 | 500 GB | 4 | 278 | 2 | 0.53 |
| WDC | WD80EFAX-68KNBN0 | 8 TB | 12 | 188 | 0 | 0.52 |
| WDC | WD10SPZX-21Z10T0 | 1 TB | 3 | 183 | 0 | 0.50 |
| WDC | WD4000BEVT-00ZAT0 | 400 GB | 1 | 179 | 0 | 0.49 |
| WDC | WD7500BPKX-80HPJT0 | 752 GB | 1 | 178 | 0 | 0.49 |
| WDC | WD20SPZX-22CRAT0 | 2 TB | 1 | 177 | 0 | 0.49 |
| WDC | WD5000LPVX-75V0TT0 | 500 GB | 1 | 173 | 0 | 0.48 |
| WDC | WD5000LPCX-24VHAT0 | 500 GB | 2 | 173 | 0 | 0.48 |
| WDC | WD1600AAJS-75M0A0 | 160 GB | 1 | 510 | 2 | 0.47 |
| WDC | WD10EARS-00Y5B1 | 1 TB | 1 | 163 | 0 | 0.45 |
| WDC | WD5000LPCX-21VHAT0 | 500 GB | 2 | 161 | 0 | 0.44 |
| WDC | WD3200AAJS-22B4A0 | 320 GB | 1 | 1449 | 8 | 0.44 |
| WDC | WD800BB-00HEA0 | 80 GB | 1 | 4322 | 26 | 0.44 |
| WDC | WD1003FBYX-88 LEN | 1 TB | 1 | 466 | 2 | 0.43 |
| WDC | WD5000AAKX-22ERMA0 | 500 GB | 1 | 1390 | 8 | 0.42 |
| WDC | WD5000AVCS-632DY1 | 500 GB | 1 | 1354 | 8 | 0.41 |
| WDC | WD3200AAKX-753CA1 | 320 GB | 1 | 147 | 0 | 0.40 |
| WDC | WD3200BEVT-22ZCT0 | 320 GB | 2 | 198 | 6 | 0.39 |
| WDC | WD800JB-00JJC0 | 80 GB | 1 | 2710 | 18 | 0.39 |
| WDC | WD60EMAZ-11LW3B0 | 6 TB | 1 | 142 | 0 | 0.39 |
| WDC | WD5000LPLX-00ZNTT0 | 500 GB | 3 | 332 | 2 | 0.37 |
| WDC | WD2500AAKS-60L9A0 | 250 GB | 1 | 1350 | 9 | 0.37 |
| WDC | WD60EFAX-68SHWN0 | 6 TB | 3 | 134 | 0 | 0.37 |
| WDC | WD10JMVW-11AJGS1 | 1 TB | 1 | 1298 | 9 | 0.36 |
| WDC | WD20EFAX-68FB5N0 | 2 TB | 4 | 129 | 0 | 0.36 |
| WDC | WD5000AAKS-22V1A0 | 500 GB | 1 | 1163 | 8 | 0.35 |
| WDC | WD6400AAKS-22A7B0 | 640 GB | 1 | 1112 | 8 | 0.34 |
| WDC | WD10EURX-83UY4Y0 | 1 TB | 1 | 121 | 0 | 0.33 |
| WDC | WD10JPLX-00MBPT1 | 1 TB | 1 | 114 | 0 | 0.31 |
| WDC | WD1002FAEX-00Z3A0 | 1 TB | 1 | 571 | 4 | 0.31 |
| WDC | WD20SPZX-75UA7T0 | 2 TB | 1 | 109 | 0 | 0.30 |
| WDC | WD10SPZX-00Z10T0 | 1 TB | 3 | 109 | 0 | 0.30 |
| WDC | WD10SPZX-08Z10 | 1 TB | 2 | 108 | 0 | 0.30 |
| WDC | WD10SDRW-34A0XS0 | 1 TB | 1 | 106 | 0 | 0.29 |
| WDC | WD3200BEVT-00A0RT0 | 320 GB | 1 | 946 | 8 | 0.29 |
| WDC | WD10EZEX-00MFCA0 | 1 TB | 1 | 103 | 0 | 0.28 |
| WDC | WD1600AAJS-00WAA0 | 160 GB | 2 | 97 | 1 | 0.24 |
| WDC | WD20SDRW-11VUUS0 | 2 TB | 1 | 82 | 0 | 0.23 |
| WDC | WD2003FZEX-00SRLA0 | 2 TB | 2 | 163 | 1 | 0.22 |
| WDC | WD60EZRZ-22GZ5B1 | 6 TB | 1 | 81 | 0 | 0.22 |
| WDC | WD10EAVS-00D7B0 | 1 TB | 1 | 161 | 1 | 0.22 |
| WDC | WUH721414ALE6L4 | 14 TB | 1 | 79 | 0 | 0.22 |
| WDC | WD1001FALS-00J7B1 | 1 TB | 1 | 2216 | 28 | 0.21 |
| WDC | WD5000BPVX-00JC3T0 | 500 GB | 1 | 76 | 0 | 0.21 |
| WDC | WD5000AAKS-00E4A0 | 500 GB | 1 | 650 | 8 | 0.20 |
| WDC | WD1003FZEX-00K3CA0 | 1 TB | 5 | 71 | 0 | 0.20 |
| WDC | WD3200BPVT-55ZEST0 | 320 GB | 1 | 142 | 1 | 0.20 |
| WDC | WD5000LPCX-24C6HT0 | 500 GB | 1 | 68 | 0 | 0.19 |
| WDC | WD10SDZW-11UMGS0 | 1 TB | 2 | 61 | 0 | 0.17 |
| WDC | WD20SPZX-22UA7T0 | 2 TB | 5 | 61 | 0 | 0.17 |
| WDC | WD5000AAKX-221CA1 | 500 GB | 1 | 343 | 5 | 0.16 |
| WDC | WD1003FBYX-05Y7B0 | 1 TB | 1 | 56 | 0 | 0.15 |
| WDC | WD3200BEKT-60V5T1 | 320 GB | 1 | 102 | 1 | 0.14 |
| WDC | WD2503ABYZ-011FA0 | 256 GB | 1 | 50 | 0 | 0.14 |
| WDC | WD10EZEX-75WN4A1 | 1 TB | 2 | 48 | 0 | 0.13 |
| WDC | WD5000LUCT-63C26Y0 | 500 GB | 1 | 45 | 0 | 0.12 |
| WDC | WD10EZEX-21M2NA0 | 1 TB | 1 | 388 | 8 | 0.12 |
| WDC | WD20EVDS-63T3B0 | 2 TB | 1 | 385 | 8 | 0.12 |
| WDC | WD5000LPLX-08ZNTT0 | 500 GB | 1 | 41 | 0 | 0.11 |
| WDC | WD200EB-00BHF0 | 20 GB | 1 | 273 | 6 | 0.11 |
| WDC | WD120EFAX-68UNTN0 | 12 TB | 2 | 38 | 0 | 0.11 |
| WDC | WD6400BEVT-22A0RT0 | 640 GB | 1 | 261 | 6 | 0.10 |
| WDC | WD2002FYPS-01U1B1 | 2 TB | 1 | 1621 | 45 | 0.10 |
| WDC | WD10EURX-61C57Y0 | 1 TB | 1 | 33 | 0 | 0.09 |
| WDC | WD4001FAEX-00MJRA0 | 4 TB | 2 | 676 | 991 | 0.09 |
| WDC | WD7500BPKT-00PK4T0 | 752 GB | 1 | 31 | 0 | 0.09 |
| WDC | WD10EADS-00P8B0 | 1 TB | 1 | 279 | 8 | 0.08 |
| WDC | WD120EDAZ-11F3RA0 | 12 TB | 5 | 27 | 0 | 0.08 |
| WDC | WD1200JS-00MHB1 | 120 GB | 1 | 437 | 17 | 0.07 |
| WDC | WD3200BEVE-00A0HT0 | 320 GB | 1 | 20 | 0 | 0.05 |
| WDC | WD10EARX-22N0YB0 | 1 TB | 1 | 175 | 8 | 0.05 |
| WDC | WD10SPZX-22Z10T1 | 1 TB | 1 | 19 | 0 | 0.05 |
| WDC | WD10SPZX-24Z10 | 1 TB | 5 | 36 | 1 | 0.05 |
| WDC | WD2500BEVT-75ZCT2 | 250 GB | 1 | 17 | 0 | 0.05 |
| WDC | WD10JMVW-11AJGS4 | 1 TB | 1 | 16 | 0 | 0.04 |
| WDC | WD2500BEVT-80A23T0 | 250 GB | 1 | 425 | 26 | 0.04 |
| WDC | WD3200LPVX-22V0TT0 | 320 GB | 1 | 80 | 8 | 0.02 |
| WDC | WD6003FFBX-68MU3N0 | 6 TB | 2 | 8 | 0 | 0.02 |
| WDC | WD1600BEVS-60RST0 | 160 GB | 1 | 164 | 18 | 0.02 |
| WDC | WD100EZAZ-11TDBA0 | 10 TB | 1 | 8 | 0 | 0.02 |
| WDC | WD2001FASS-00W2B0 | 2 TB | 1 | 2670 | 395 | 0.02 |
| WDC | WD2500BEVT-60A23T0 | 250 GB | 1 | 250 | 37 | 0.02 |
| WDC | WD10JPVX-75JC3T0 | 1 TB | 3 | 469 | 125 | 0.02 |
| WDC | WD10EZEX-60M2NA0 | 1 TB | 1 | 100 | 21 | 0.01 |
| WDC | WD3200BEVT-60ZCT0 | 320 GB | 1 | 133 | 29 | 0.01 |
| WDC | WD5000AAKS-60WWPA0 | 500 GB | 1 | 798 | 241 | 0.01 |
| WDC | WD10JMVW-11AJGS0 | 1 TB | 1 | 27 | 10 | 0.01 |
| WDC | WD40EZAZ-00SF3B0 | 4 TB | 1 | 1 | 0 | 0.01 |
| WDC | WD5000AZLX-75K2TA0 | 500 GB | 1 | 1 | 0 | 0.00 |
| WDC | WD2005FBYZ-01YCBB3 | 2 TB | 2 | 1 | 0 | 0.00 |
| WDC | WD2002FFSX-68PF8N0 | 2 TB | 1 | 1 | 0 | 0.00 |
| WDC | WD2500JS-22NCB1 | 250 GB | 1 | 1197 | 1038 | 0.00 |
| WDC | WD1600BEVS-00UST0 | 160 GB | 1 | 87 | 76 | 0.00 |
| WDC | WD6002FRYZ-01WD5B1 | 6 TB | 1 | 165 | 372 | 0.00 |
| WDC | WD5000B | 500 GB | 1 | 252 | 1011 | 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 |
|---|---|---|---|---|---|---|
| WDC | RE3 | 5 | 8 | 2689 | 1 | 6.78 |
| WDC | AV | 2 | 4 | 1838 | 0 | 5.04 |
| WDC | Caviar Black | 14 | 38 | 2162 | 12 | 5.00 |
| WDC | Caviar SE | 14 | 19 | 2540 | 58 | 4.98 |
| WDC | Caviar Green | 13 | 20 | 2172 | 133 | 4.45 |
| WDC | RE | 3 | 8 | 1714 | 1 | 4.30 |
| WDC | Protege | 2 | 2 | 1616 | 3 | 4.11 |
| WDC | Green | 16 | 42 | 1654 | 31 | 4.07 |
| WDC | VelociRaptor | 6 | 9 | 1476 | 1 | 3.89 |
| WDC | RE4 | 10 | 24 | 1391 | 1 | 3.65 |
| WDC | Caviar SE16 | 1 | 1 | 1317 | 0 | 3.61 |
| WDC | Unknown | 1 | 1 | 1179 | 0 | 3.23 |
| WDC | Raptor | 1 | 1 | 1099 | 0 | 3.01 |
| WDC | Caviar Blue | 26 | 32 | 1246 | 10 | 2.84 |
| WDC | Caviar | 4 | 5 | 2180 | 144 | 2.80 |
| WDC | Scorpio Black | 11 | 13 | 987 | 1 | 2.60 |
| WDC | Red | 20 | 230 | 1094 | 16 | 2.56 |
| WDC | Purple | 6 | 7 | 744 | 0 | 2.04 |
| WDC | Se | 1 | 1 | 734 | 0 | 2.01 |
| WDC | Blue | 47 | 116 | 730 | 11 | 1.78 |
| WDC | Ultrastar He10/12 | 3 | 14 | 598 | 0 | 1.64 |
| WDC | Black Mobile | 11 | 19 | 629 | 1 | 1.55 |
| WDC | Elements / My Passport | 11 | 15 | 688 | 71 | 1.48 |
| WDC | HGST Ultrastar He10 | 2 | 14 | 519 | 0 | 1.42 |
| WDC | RE2 | 1 | 1 | 455 | 0 | 1.25 |
| WDC | Red Pro | 5 | 12 | 485 | 2 | 1.16 |
| WDC | Scorpio Blue | 32 | 44 | 490 | 6 | 1.05 |
| WDC | Black | 6 | 13 | 465 | 153 | 0.97 |
| WDC | Blue SSHD | 1 | 1 | 245 | 0 | 0.67 |
| WDC | Blue Mobile | 24 | 51 | 245 | 28 | 0.57 |
| WDC | RE4-GP | 2 | 3 | 1588 | 19 | 0.54 |
| WDC | Internal Use HDD | 2 | 2 | 152 | 0 | 0.42 |
| WDC | IU CB500 | 1 | 1 | 106 | 0 | 0.29 |
| WDC | AV-GP | 4 | 4 | 473 | 4 | 0.24 |
| WDC | Ultrastar DC HC530 | 1 | 1 | 79 | 0 | 0.22 |
| WDC | White Label | 2 | 6 | 46 | 0 | 0.13 |
| WDC | Scorpio Blue EIDE | 1 | 1 | 20 | 0 | 0.05 |
| WDC | Gold | 2 | 3 | 55 | 124 | 0.00 |