Okay, so I bought this usb hub: http://www.amazon.com/gp/product/B00DMN2OBU/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1 . Can anyone explain to me or just tell me(either one works, but I'd love to know how to calculate it myself) how many U1s I can run on it all overclocked at 0A81?