Why is the macos catalina SSD defined as 2.0 via the SATA3 -> USB3.0 adapter?

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Alex42rus2021-01-21 11:16:35

macOS

Alex42rus, 2021-01-21 11:16:35

Why is the macos catalina SSD defined as 2.0 via the SATA3 -> USB3.0 adapter?

On macbook pro 2018 macos catalina (not the fact that this is important), the SSD is connected via the SATA3 -> USB3.0 adapter as 2.0. At the same time, on windows it immediately gives out its 500mb / sec? And on macos 45mb / sec (linear reading)

The same problem on the old macbook before 2016. (there is a regular USB3.0)

Tested on adapters with VLI VL711-04 chips, and JMS567

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