The endurance of a storage device is predicted by TeraBytes Written and DWPD based on several factors related to usage, such as the amount of data written into the drive, block management conditions, and daily workload for the drive. Thus key factors, such as Write Amplifications and the number of P/E cycles, can influence the lifespan of the drive. To judge whether an SSD is suitable, lifespan is a very important indicator in addition to capacity and performance. SSD lifespan is usually related to the total amount of data written. The more frequently it is written, the faster the SSD will be damaged. There are two indicators for measuring SSD lifespan. One is TBW (Terabytes Written), which indicates the total amount of data that can be written to the SSD before it is damaged. The more data is written, the more durable the SSD. The other indicator is DWPD, which represents the number of times a user can write per day during the warranty period.