[一般問題] 點解最近出果d ssd 會變左齊頭GB 數?

Crucial 又係
*** 又係
點解會有500GB 既SSD 而唔係512GB?  

Provisioning

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Google "SSD Over Provisioning"

SSD 預留左部份位, 用黎做 cache/temp, increase performance + endurance

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