Permafrost
Compo Whore
Very few reasonably priced portable storage devices support 3.1. UHD Blu-ray drives are ridiculously expensive and fiddly. Even standard Blu-ray drives are a pain to deal with as Sony has some many restrictions on software. And I'm not sure what you mean by 'hubs'?
hubs as in multi ported devices usb, network even display ports.