The data is written on the flash memory through the master controller. As we all know, an SSD includes a master controller and a flash memory. The first factor is flash memory technology. This is the formula: TBW * 1000 / (warranty period * 365 * SSD capacity) = DWPD. In addition, the two factors can be converted. Many SSD vendors will define the SSD warranty period according to these two factors. For example, if the DWPD is 1 and the warranty period is five years, then you can rewrite the entire SSD once daily for 5 years before anticipating failure. For example, an SSD with 500 TBW means that the SSD can write 500 TB before it needs to be replaced.ĭWPD (Drive Writes Per Day) measures how many times you can rewrite an entire SSD every day throughout its warranty period. TBW (Terabytes Written) indicates how much data a drive can write over its lifespan.
Both the two terminologies are related to SSD life expectancy. When you buy an SSD, you may notice two terminologies: TBW and DWPD.
#Check my ssd health how to
Now, read on to learn how to calculate SSD life. However, some of you may be worried about SSD lifespan. Apparently, the performance of SSDs is better than that of HDDs. Many of you may also have upgraded your hard drive from HDD to SSD or might plan to do that. SSDs are now widely available in some of the mainstream PCs. It will also tell you how to take care of your SSD to expand its life and how to protect your data with MiniTool Partition Wizard when facing SSD failure. How long does your SSD last? Are you afraid of SSD failure? Read this post to get the answers.
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