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The lifespan of storage has always been finite – whether hard disk drives (HDD) or solid state drives (SSD). However, there is one big difference between SSD and HDD endurance: the write endurance, and thus lifetime of an SSD, can be accurately estimated, whereas mechanical wear out in HDDs is practically impossible to predict reliably. SSD endurance estimation can be done using SMART (Self-Monitoring, Analysis and Reporting Technology) attributes, which provide various indicators of drive health and reliability. This whitepaper explains how SMART attributes and Samsung Magician DC’s built-in lifetime analyzer feature can be used to estimate drive’s expected lifetime in a specific workload.