Thanks very much for that Ged. I rang the company who built my computer, which is 6 years old now astonishingly enough, and they said it will work but the port is only a 3.0 so I probably won't get the faster speeds currently, but, if I upgrade in the next year, or, two, then I would be able to take advantage of a port with a 3.2 interface, so, something to remember for the future.
So, I'll get the credit card out and give it a bashing. 
Cheerz. Steve.
i5 4690 3.5 GHz Quad Core CPU, Gigabyte Z97-HD3, 16GB RAM, nVidia GTX1060 6GB, WIN 7 PRO 64-bit.