lspci | grep USB shows 00:14.0 USB controller: Intel Corporation 200 Series/Z370 Chipset Family USB 3.0 xHCI Controller 03:00.0 USB controller: ASMedia Technology Inc. ASM2142 USB 3.1 Host Controller b3:00.0 USB controller: ASMedia Technology Inc. ASM2142 USB 3.1 Host Controller Getting many errors copying to an SSD that works fine, badblocks shows 0 errors. Jerry