看了下LENOVO最新的變形平板, 好像只要有USB3.0就可算ultrabook.
http://shop.lenovo.com/SEUILibrary/controller/e/web/LenovoPortal/en_US/special-offers.workflow:ShowPromo?LandingPage=/All/US/Landing_pages/Convertibles-splitter&menu-id=products&ref-id=products#.ULMngGfF9wb
那ultrabook的規格還滿容易的.
