Write amplification plays a critical role in maximizing an SSD’s usable life. The lower the write amplification, the longer the SSD will last. SSD architects pay special attention to this aspect of controller design.
Unlike the other factors described in this series this is not a technique that extends flash life beyond the 10,000 erase/write cycles that one would normally expect to result in a failure, but it is very important to SSD longevity.
Write Amplification is sufficiently complex that I won’t try to define it in this post, but Continue reading “How Controllers Maximize SSD Life – Reduced Write Amplification”