Hi,
most should work, especially if they have some Linux support in general.
Alternatively you could use an USB hub and pass through the ports/whole controller with Proxmox VEs USB passthrough.
In your situation I'd try the USB passthrough route first, you probably don't need to buy extra HW for that as a USB hub is more often available than a PCI USB expander card, you should get a feeling about how flaky it is quickly and if it real has issues you can still get you a PCI card then.
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