I bought a USB adapter that supposed to support UASP, but it’s only showing up as a USB device.

It’s from a fresh install. Is there something I need to do to enable UASP?

lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
|__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 4: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M

Some adapters are just crap. The linux kernel contains a blacklist of their USB-IDs and disables the uasp feature. Check your boot logs.

Thanks for the info.

Follow-up question… If I get a new/better adapter, can I just swap it out, or will it require a full reinstall?

If you do not boot from the USB device, there’s no need for a new install. Just swap the adapters.

If it is your booting device, I’m not quite sure. Just give it a try.