so, i've been working this backwards and forwards in my head and on google. It seems possible, though some of the technicalities escape me. I'd basically like to build the equivalent of an external ...

I have a bunch of HDDs and internal optical drives, either PATA or SATA, that I still want to access occasionally. I also want USB 3.0 speed when accessing them. Can't imagine suffering USB 2.0 again.