JEDEC SSD Specifications Explained
JEDEC SSD Specifications Explained
JEDEC SSD Specifications Explained
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FFR and UBER estimation from<br />
reduced-capacity <strong>SSD</strong>s<br />
‣ The capacity of an <strong>SSD</strong> may be artificially reduced so that<br />
some nonvolatile memory components or blocks are not<br />
written to, while the remaining ones are written to more<br />
extensively than would be the case in the full-capacity<br />
<strong>SSD</strong>.<br />
‣ The manufacturer is to ensure that the method of capacity<br />
reduction does not significantly distort the normal internal<br />
workings of the <strong>SSD</strong>. For example, the number of spare<br />
memory blocks may need to be reduced to ensure that the<br />
write amplification factor and the ability of the <strong>SSD</strong> to<br />
tolerate a bad blocks does not change.
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