UBM: TECH DIGITAL RESOURCE LIBRARY

The Why and How of SSD Overprovisioning

by SanDisk

Jun 01, 2014

Download Read/Modify/Write cycles are extremely costly from a performance and endurance standpoint. To minimize them, SSDs keep a fixed amount of physical flash memory in reserve, called the Over Provisioning (OP) space that is not part of the device's logical address space.


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