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Understanding SSD Endurance Specs

SSD manufacturers provide endurance ratings on their SSDs expressed in terabytes written (TBW) and/or drive writes per day (DWPD). SSD manufacturers use industry standard workloads set by the memory standards group JEDEC to arrive at these endurance specifications. These endurance specifications should be used as a guideline as workloads can vary resulting in different endurance expectations from an SSD. Users should evaluate their own workloads when selecting SSDs for a given application.

PTM Published on: 2022-06-21