Hi, i recently had to copy a lot of files from some USB drives (with USB 3.0 connectors) and I noticed that all of a sudden none of my ports on the Inateck PCIe USB 3 card were working anymore. They are showing up in system profiler as connected to the "USB 3.0 Superspeed Bus" 5Gbs/s. However I am copying at 20MB/s.... Any thoughts on what the issue could be? I tested this with some 90MB/s capable SD cards on my high speed card reader and I have similar results. Both drives work at high speeds on my macbook pro using the USB3 port... Any thoughts? Cheers! K.