Question: is pcie faster than usb 3.0?
Answer: The bandwidth of a PCIe x1 slot is 250MBps in version 1; most recent motherboards support PCIe version 2, which doubles each lane to 500MBps. A single USB 3.0 port has a bandwidth of 600MBps. Consequently, a single USB 3.0 device saturates the bandwidth of a PCIe x1 v2.