Earlier quoted context omitted.
>2015 RMBP keeps resetting USB3 ports Do you know who OEMed those ports? I've had a horrible run of luck with crappy USB3 chipsets in desktops - with the same symptoms as you're having. Do you still get the resets in Windows 8.1/10?
> Do you know who OEMed those ports? Looks like Intel: PCI Device ID: 0x9cb1 PCI Revision ID: 0x0003 PCI Vendor ID: 0x8086 > Do you still get the resets in Windows 8.1/10? Just running latest OSX El Capitan.
That's odd, Intel have been the ones that work the best in my experience (have also tried Renesas and Etron).