As the How-To Geek explains, SSDs function using NAND chips, not the spinning platters of HDDs.
so that add more capacity to an SSD, manufacturers have to add more chips.
When they do this, they usually arrange those chips so they can be used in parallel.
This gives a speed advantage to larger capacity SSDs in terms of data throughput.
Though it will still be fasterthan most regular hard drives.
Why Are Smaller SSDs Slower?| How-To Geek
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