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Why is the actual capacity of an SSD smaller than the labeled capacity?
This is due to system-reserved space (reserved space and over-provisioning).
Reserved space: The SSD reserves a portion of its capacity for firmware or controller management tasks, such as bad block management, enhancing durability, and wear leveling.
Over-provisioning: Some space is allocated to improve the SSD's performance and lifespan.
These are some of the reasons why the actual capacity of an SSD is less than the advertised capacity.
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