Hard Disk Half Life (HDD)

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A recent study has shown that the half-life of hard drives (HDDs) does not reach 3 years. This research, conducted by Backblaze, was based on a sample of more than 17,000 hard drives from different brands, such as Seagate, Toshiba and Western Digital (WDC), and revealed that the average durability of an HDD is only 2 years and 6 months.

Backblaze collected detailed data from each unit, including power-up times, failure dates, serial numbers, capacity, and raw Self-Monitoring, Analysis and Reporting Technology (SMART) data. Failed boot drives, those with data errors or inconsistencies, and units without SMART data were excluded from the study.

The results revealed that Seagate units were the most prone to failure, while Western Digital models had better resistance. Surprisingly, the Seagate 12TB ST12000NM0007 was the fastest broken, with an average age of 1 year and 6 months and a total of 2,023 recorded failures. On the other hand, the Seagate 4TB ST400DM000 presented the most failures (5,249), but also had a longer average duration: 3 years and 3 months.

Despite these findings, the researchers note that there is no cause for concern for those who still use hard drives, as there appears to be a correlation between the size of the drive and its durability. In this sense, smaller hard drives tend to have a longer lifespan. In addition, the growing popularity of solid-state drives (SSDs) has relegated HDDs to the background.



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