Does this card interfere with Bluetooth or WiFi? Mac Pro 5,1.Read the review …
USB 3.x PCIe Cards for Classic Mac Pro
If each controller has a single dedicated PCIe lane, plugging the card into an x1 slot would disable 3 of the 4 ports. This seems counterintuitive to me since “wider” cards in “narrower” slots should just lose bandwidth/performance rather than lose functionality altogether (using an x16 GPU in...forums.macrumors.com