Hi All, I finally found a PCIe USB 3.1 adapter that works perfectly with Fedora 28: Syba SD-PEX20200 https://www.amazon.com/gp/product/B019LHXZOA Tested and failed were: StarTech.com PEXUSB312C Dual Port USB 3.1 Card – 1x USB-C – 1x USB-A Large file transfers crash your operating system Siig JU-P20A12-S1 2-Port USB 3.1 PCI-Express Host Adapter Card Type-A/C 1 st attempt: A port worked, c port only provided power. 2nd attempt (send back for repair): both ports only supplied power. Tossed in the trash. Ableconn PU31-1A1C USB 3.1 Gen 2 Type-C & Type-A PCIe x4 Host Adapter Card both ports: Aug 23 19:24:47 localhost kernel: usb 6-1: new SuperSpeed USB device number 5 using xhci_hcd Aug 23 19:24:47 localhost kernel: usb 6-1: device descriptor read/8, error -61 I though I'd never find one! -T _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx