A USB3 controller that doesn't suck (on Linux)

Hardware Other Hardware
1

I have a system with USB2 by default. However it also has six PCI-Express Gen2 slots. (Making them x8 possibly?)

Considering I have had connection drop-out issues with USB3 in the past with on-board controllers on other systems (I use Linux primarily but I have heard drop-outs happen on Windows too), are there reasonable PCI-Express USB3 expansion cards (bonus points for low profile) that work well with Linux generally and are not known for connection drop-outs?

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Renesas uPD720202 based ones. That’s pretty much it. And that supplementary power is required on this card:

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