If you’ve looked into how much storage space to keep unused on an SSD, you likely came across recommendations ranging from 0 to 50 percent and may be frustrated about how to sort out the right number. When you have a 1TB or 2TB drive, keeping even 20 percent (200GB or 400GB) unused might seem wasteful and costly. .

For most consumer uses and even many professional ones, you can err on the low side of empty storage, down to even filling a drive up to what you might have thought was 100 percent full, depending on how you use the SSD now and plan to in the future.
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