SSD wins! Backblaze releases hard drive reliability data for the first half of 2023

On September 28, cloud storage service provider Backblaze released solid-state drive (SSD) failure statistics for the first and second quarters of 2023, providing users with important insights into the reliability of storage devices. SSDs appear to perform better in terms of reliability, although Backblaze makes it clear that these figures are based on a limited sample size and do not adequately reflect the real situation.

Backblaze began using SSDs in its repositories in the fourth quarter of 2018, and as of June 30, 2023, it had 3,144 SSDs installed on its servers, a significant increase from 2,558 in 2022 . This shows the continuous popularity and application of SSD in the field of cloud storage.

According to data provided by Backblaze,

1. The annual failure rate of SSD and HDD

• SSD: about 1%
• HDD: more than 2%

2. The advantages of SSD
SSDs are relatively more reliable and less prone to failure over long periods of time, which is a positive trend for users who need stable data storage.

Backblaze also took into account some abnormal values ​​in the data analysis. For example, the annual failure rate of a certain model of SSD is as high as 829.55%. However, this situation is considered an exception and may be affected by equipment problems or insufficient sample size.

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