Activity › Forums › Apple OS X › 13 min. boot time
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Melvin Chong
November 13, 2018 at 5:45 pmSSD needs extra space for overprovisioning. In other words, with a 1Tb SSD it is better to format to 800Gb, so it has 20% of space for overprovisioning and garbage collection. If you didn’t do so, eventually your SSD will grind to a halt as it has no space left for those functions.
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