What Are the Most Reliable Hard Drives? Take a Look at the Stats!

Thảo luận trong 'ENGLISH' bắt đầu bởi Larissa Mori, 3/5/21.

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  1. Larissa Mori

    Larissa Mori Guest

    Many of us know the pain of having a hard drive fail. These days, having a backup in case of redundancy is crucial, and so is finding reliable hard drives. But how do you choose a drive that’s least likely to have you reaching for that backup in the first place?

    Perhaps Backblaze’s hard drive stats can help. Since 2013, Backblaze – a computer backup and cloud storage provider – has published statistics and insights based on the hard drives in the company data center.

    By the end of 2020, Backblaze was monitoring 162,530 hard drives used to store data and they’ve listed 162,299 of them based on failure rates below:


    The good news is, the annualized failure rate has dropped by 50% since 2019, where it stood at 1.89% compared to 2020’s 0.93%.

    Most reliable hard drives from Toshiba, HGST, Western Digital

    Toshiba’s drives have been impressive, with a 14TB drive (model: MG07ACA14TA) and 16TB drive (model: MG08ACA16TEY) each delivering zeros for annualized failure rates (AFR) – though these drives had only been installed for two months by the time Backblaze’s 2020 stats were published.

    Only one Western Digital drive made it onto the report, the 14TB model WUH721414ALE6L4, however it’s important to say that HGST is a Western Digital brand, so they are under the same corporate umbrella – and HGST drives have consistently been outperforming Seagate drives over many years (and this year is no exception). Backblaze tested 6,0002 pieces of that WDC model and found that the AFR for this drive model was just 0.16%.

    Low annualized failure rate for Seagate 6TB drive (more drive days)

    For drive models with over 250,000 drive days over the course of 2020, the Seagate 6TB drive (model: ST6000DX000) led the way with a 0.23% annualized failure rate (AFR). This model was also the oldest, in average age, of all the drives listed.

    The 6TB Seagate model was followed closely by HGST’s the 4TB drive (model: HMS5C4040ALE640) at 0.27%, the 4TB drive (model: HMS5C4040BLE640), at 0.27%, the 8TB drive (model: HUH728080ALE600) at 0.29%, and the 12TB drive (model: HUH721212ALE600) at 0.31%.

    We’ll be watching the Backblaze blog for upcoming stats and observations as the hard drives continue to be tested over the coming months.

    Header image by Denny Müller on Unsplash.

    What do you think are the safest hard drives for video content? Let us know in the comments below!

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