Samsung S8+: MicroSD card slot uses UHS-I or UHS-II "bus"?

[Dualmonitors]

[FONT=inherit !important]S8+: is there a way to find out if this phone has a MicroSD card slot that uses UHS-I or UHS-II "bus"? I can't seem to find this information anywhere.

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[FONT=inherit !important]UHS-I = single row of contacts (slower max speed); UHS-II = two rows of contacts (faster max speed)[/FONT]
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[FONT=inherit !important]Kindly please note that this is NOT the UHS3 (the number 3 inside a letter U). this UHS-I or UHS-II has to do with the "bus" that is reading the micro sd card and also the micro sd card itself: the UHS-I cards have only one row of contacts, while the UHS-II cards have two rows for much higher read/write speeds.

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[FONT=inherit !important]No where was i able to find this information!

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[FONT=inherit !important]Thanks in advance.[/FONT]