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drive writes per day (DWPD)

Drive Writes per Day (DWPD) is a characteristic value of solid-state drives (SSD) for the number of write/erase operations per day

. Due to the structure of the flash memory, in which the oxide layer of the floating gate transistors

wears out during read and write operations, SSD drives have a limited number of write and erase operations. This is expressed in the DWPD value. The DWPDvalue shows how often

theuser

can overwrite the complete storage space of an SSD drive within 24 hours. The DWPD value depends on whether the SSD drive is used in a company or by an end customer for private purposes.

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Englisch: drive writes per day - DWPD
Updated at: 26.04.2017
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Translations: DE