Agree on the PCIe card. I purchased one of
to use on my Windows 7 Professional x64 home build system because the mobo only had one USB3 header and I'd already used it to connect a high speed memory card reader.
It worked out of the box. Much, much, faster than USB2 and worth the few quid. I paid less than the current price shown on the link but I have not searched to see what the current going rate is.