Endurance White Paper
●This whitepaper outlines a method to determine a rated endurance metric for SSDs. The manufacturer's test described here for deriving SSD endurance may be supplemented by a corresponding customer's test for validating the manufacturer’s claims.
●Endurance is a key metric in SSDs that determines the effective service life of an SSD and defines the amount of writingan SSD can sustain before reaching the end of its rated life. In SSDs there isn't a one-to-one relationship between the number of host writes and the actual writes performed to the NAND, and not all NAND blocks reach their end of life at the same time.
●Since SSD endurance depends on the maximum erases for any of the blocks on the NAND, both the Write Amplification and Wear Leveling Efficiency must be accounted for in determining an expected endurance rating.
●This whitepaper defines:
◆The factors that determine SSD endurance.
◆Measurement techniques for determining an SSD endurance rating.
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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December 28,2018 |
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Version 1.2 |
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901 KB |
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