For our evaluation, we removed from consideration 337 drives which were used for either testing purposes or were drive models for which we did not have at least 60 drives. We usually suggest using dedicated NAS drives for Plex servers, but if the Seagate ST6000DX000 performs this well in Backblaze's data centers, it should perform equally well with your Plex setup. At the end of March 2021, Backblaze was monitoring 172,256 hard drives used to store data. Now, I should note that the 6TB Seagate ST6000DX000 is technically a "desktop" hard drive. It's still significant, though, because Seagate manufactures millions of these drives each year.) (Yeah, we're discussing a change in decimals. Quarterly AFR numbers can be volatile, but can be useful in identifying a trend which needs further investigation. Upward AFR: The annualized failure rate (AFR) for Q1 2023 was 1.54, that’s up from Q4 2022 at 1.21 and from one year ago, Q1 2022, at 1.22. It's now significantly more reliable with an AFR of just 0.11%. 240,940 Drive Failures 1,339 Drive Days 21.1M Annualized Failure Rate 2. Notes and Observations on the Q1 2023 Drive Stats. In previous years, Backblaze found that this drive had a 0.96% AFR. 2021, Kuala Lumpur, Malaysia, July 2629, 2021, Proceedings, Part II Hamido. Backblaze says this is due to the aging of the entire drive fleet, and as a result. Seagate's ST6000DX000 drive fits the latter scenario. The Q3 2022 AFR for all drives was 1.64, compared to Q2 2022s 1.46 AFR overall, and 1.10 AFR from a year ago. So, the failure rates are in the same order of magnitude, but the two groups (SSDs and HDDs) are not at the same point in their lifecycle. In comparison, the cumulative AFR (during lifetime) for the HDDs used was 1.40 (according to the 2021 Drive Statistics report). These changes can make a drive crappier, as we saw with the WD Blue SN550 last year, but they can also increase a drive's quality and reliability. The cumulative AFR was 1.07 for all SSD drives in the fourth quarter of 2021. Related: Should You Get a NAS for Plex Streaming?īut how does the Seagate stack up to previous years' tests? Here's the thing manufacturers often make small changes to their HDDs. The three most reliable hard drives in 2021, according to Backblaze's data, are the 6TB Seagate ST6000DX000 (AFR 0.11%), the 16TB WDC WUH721816ALE6L0 (AFR 0.14%), and the 16TB Toshiba MG08ACA16TE (AFR 0.91%).
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