For anyone who is interested in USB3 performance benchmarking.

With the release of our USB3.0 Loopback Plug, we wanted to test the performance of various USB 3 host controllers currently on the market. To do this, we carried out the following benchmark with a USB 3.0 flash drive and with our USB 3 loopback plug. Testing was done on some on board host controllers and a number of PCI USB 3 expansion cards......

Read the full article comparing a range of USB3 expansion cards here.