I have a 2017 15" MBP with an in built 1TB SSD.

As i understand with SSDs the best practice is to leave a portion of them free as an "over provision".

Do i need to do this the the SSD inbuilt to the MBP or if have Apple already accounted for this in giving me 1TB of space ? Eg. There is actually something like 1.1TB of space, but the firmware keeps that additional 0.1TB free as an over provision.

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